author | George Wilson <George.Wilson@Sun.COM> |
Mon, 24 Nov 2008 16:10:21 -0800 | |
changeset 8211 | 32722be6ad3b |
parent 7897 | e520d8258820 |
child 8241 | 5a60f16123ba |
permissions | -rw-r--r-- |
789 | 1 |
/* |
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* CDDL HEADER START |
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* |
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* The contents of this file are subject to the terms of the |
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* Common Development and Distribution License (the "License"). |
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* You may not use this file except in compliance with the License. |
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* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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* or http://www.opensolaris.org/os/licensing. |
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* See the License for the specific language governing permissions |
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* and limitations under the License. |
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* |
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* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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* If applicable, add the following below this CDDL HEADER, with the |
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* fields enclosed by brackets "[]" replaced with your own identifying |
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* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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*/ |
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/* |
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* Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
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* Use is subject to license terms. |
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*/ |
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||
27 |
/* |
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28 |
* This file contains all the routines used when modifying on-disk SPA state. |
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* This includes opening, importing, destroying, exporting a pool, and syncing a |
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* pool. |
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31 |
*/ |
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#include <sys/zfs_context.h> |
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1544 | 34 |
#include <sys/fm/fs/zfs.h> |
789 | 35 |
#include <sys/spa_impl.h> |
36 |
#include <sys/zio.h> |
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37 |
#include <sys/zio_checksum.h> |
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38 |
#include <sys/zio_compress.h> |
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#include <sys/dmu.h> |
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40 |
#include <sys/dmu_tx.h> |
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41 |
#include <sys/zap.h> |
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42 |
#include <sys/zil.h> |
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43 |
#include <sys/vdev_impl.h> |
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44 |
#include <sys/metaslab.h> |
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45 |
#include <sys/uberblock_impl.h> |
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46 |
#include <sys/txg.h> |
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47 |
#include <sys/avl.h> |
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48 |
#include <sys/dmu_traverse.h> |
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3912 | 49 |
#include <sys/dmu_objset.h> |
789 | 50 |
#include <sys/unique.h> |
51 |
#include <sys/dsl_pool.h> |
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3912 | 52 |
#include <sys/dsl_dataset.h> |
789 | 53 |
#include <sys/dsl_dir.h> |
54 |
#include <sys/dsl_prop.h> |
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3912 | 55 |
#include <sys/dsl_synctask.h> |
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#include <sys/fs/zfs.h> |
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#include <sys/arc.h> |
789 | 58 |
#include <sys/callb.h> |
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#include <sys/systeminfo.h> |
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#include <sys/sunddi.h> |
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#include <sys/spa_boot.h> |
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#include "zfs_prop.h" |
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#include "zfs_comutil.h" |
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int zio_taskq_threads[ZIO_TYPES][ZIO_TASKQ_TYPES] = { |
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/* ISSUE INTR */ |
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{ 1, 1 }, /* ZIO_TYPE_NULL */ |
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{ 1, 8 }, /* ZIO_TYPE_READ */ |
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{ 8, 1 }, /* ZIO_TYPE_WRITE */ |
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{ 1, 1 }, /* ZIO_TYPE_FREE */ |
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{ 1, 1 }, /* ZIO_TYPE_CLAIM */ |
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{ 1, 1 }, /* ZIO_TYPE_IOCTL */ |
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}; |
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static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
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static boolean_t spa_has_active_shared_spare(spa_t *spa); |
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/* |
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* ========================================================================== |
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81 |
* SPA properties routines |
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* ========================================================================== |
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*/ |
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85 |
/* |
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86 |
* Add a (source=src, propname=propval) list to an nvlist. |
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*/ |
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static void |
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spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, |
90 |
uint64_t intval, zprop_source_t src) |
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91 |
{ |
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92 |
const char *propname = zpool_prop_to_name(prop); |
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nvlist_t *propval; |
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VERIFY(nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
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VERIFY(nvlist_add_uint64(propval, ZPROP_SOURCE, src) == 0); |
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if (strval != NULL) |
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VERIFY(nvlist_add_string(propval, ZPROP_VALUE, strval) == 0); |
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else |
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VERIFY(nvlist_add_uint64(propval, ZPROP_VALUE, intval) == 0); |
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103 |
VERIFY(nvlist_add_nvlist(nvl, propname, propval) == 0); |
5094 | 104 |
nvlist_free(propval); |
105 |
} |
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107 |
/* |
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* Get property values from the spa configuration. |
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109 |
*/ |
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static void |
5094 | 111 |
spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
112 |
{ |
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113 |
uint64_t size = spa_get_space(spa); |
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114 |
uint64_t used = spa_get_alloc(spa); |
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115 |
uint64_t cap, version; |
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116 |
zprop_source_t src = ZPROP_SRC_NONE; |
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spa_config_dirent_t *dp; |
5094 | 118 |
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ASSERT(MUTEX_HELD(&spa->spa_props_lock)); |
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/* |
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* readonly properties |
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*/ |
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spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa_name(spa), 0, src); |
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spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src); |
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spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src); |
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spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, size - used, src); |
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cap = (size == 0) ? 0 : (used * 100 / size); |
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spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src); |
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spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, spa_guid(spa), src); |
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spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
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spa->spa_root_vdev->vdev_state, src); |
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136 |
/* |
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137 |
* settable properties that are not stored in the pool property object. |
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138 |
*/ |
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139 |
version = spa_version(spa); |
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140 |
if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) |
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141 |
src = ZPROP_SRC_DEFAULT; |
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142 |
else |
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src = ZPROP_SRC_LOCAL; |
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spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, version, src); |
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if (spa->spa_root != NULL) |
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spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, spa->spa_root, |
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0, ZPROP_SRC_LOCAL); |
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if ((dp = list_head(&spa->spa_config_list)) != NULL) { |
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151 |
if (dp->scd_path == NULL) { |
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152 |
spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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"none", 0, ZPROP_SRC_LOCAL); |
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154 |
} else if (strcmp(dp->scd_path, spa_config_path) != 0) { |
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155 |
spa_prop_add_list(*nvp, ZPOOL_PROP_CACHEFILE, |
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156 |
dp->scd_path, 0, ZPROP_SRC_LOCAL); |
5363 | 157 |
} |
158 |
} |
|
5094 | 159 |
} |
160 |
||
161 |
/* |
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162 |
* Get zpool property values. |
|
163 |
*/ |
|
164 |
int |
|
165 |
spa_prop_get(spa_t *spa, nvlist_t **nvp) |
|
166 |
{ |
|
167 |
zap_cursor_t zc; |
|
168 |
zap_attribute_t za; |
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169 |
objset_t *mos = spa->spa_meta_objset; |
|
170 |
int err; |
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171 |
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172 |
VERIFY(nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
5094 | 173 |
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mutex_enter(&spa->spa_props_lock); |
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175 |
|
5094 | 176 |
/* |
177 |
* Get properties from the spa config. |
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178 |
*/ |
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179 |
spa_prop_get_config(spa, nvp); |
5094 | 180 |
|
181 |
/* If no pool property object, no more prop to get. */ |
|
182 |
if (spa->spa_pool_props_object == 0) { |
|
183 |
mutex_exit(&spa->spa_props_lock); |
|
184 |
return (0); |
|
185 |
} |
|
186 |
||
187 |
/* |
|
188 |
* Get properties from the MOS pool property object. |
|
189 |
*/ |
|
190 |
for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); |
|
191 |
(err = zap_cursor_retrieve(&zc, &za)) == 0; |
|
192 |
zap_cursor_advance(&zc)) { |
|
193 |
uint64_t intval = 0; |
|
194 |
char *strval = NULL; |
|
195 |
zprop_source_t src = ZPROP_SRC_DEFAULT; |
|
196 |
zpool_prop_t prop; |
|
197 |
||
198 |
if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) |
|
199 |
continue; |
|
200 |
||
201 |
switch (za.za_integer_length) { |
|
202 |
case 8: |
|
203 |
/* integer property */ |
|
204 |
if (za.za_first_integer != |
|
205 |
zpool_prop_default_numeric(prop)) |
|
206 |
src = ZPROP_SRC_LOCAL; |
|
207 |
||
208 |
if (prop == ZPOOL_PROP_BOOTFS) { |
|
209 |
dsl_pool_t *dp; |
|
210 |
dsl_dataset_t *ds = NULL; |
|
211 |
||
212 |
dp = spa_get_dsl(spa); |
|
213 |
rw_enter(&dp->dp_config_rwlock, RW_READER); |
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214 |
if (err = dsl_dataset_hold_obj(dp, |
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|
215 |
za.za_first_integer, FTAG, &ds)) { |
5094 | 216 |
rw_exit(&dp->dp_config_rwlock); |
217 |
break; |
|
218 |
} |
|
219 |
||
220 |
strval = kmem_alloc( |
|
221 |
MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, |
|
222 |
KM_SLEEP); |
|
223 |
dsl_dataset_name(ds, strval); |
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224 |
dsl_dataset_rele(ds, FTAG); |
5094 | 225 |
rw_exit(&dp->dp_config_rwlock); |
226 |
} else { |
|
227 |
strval = NULL; |
|
228 |
intval = za.za_first_integer; |
|
229 |
} |
|
230 |
||
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231 |
spa_prop_add_list(*nvp, prop, strval, intval, src); |
5094 | 232 |
|
233 |
if (strval != NULL) |
|
234 |
kmem_free(strval, |
|
235 |
MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); |
|
236 |
||
237 |
break; |
|
238 |
||
239 |
case 1: |
|
240 |
/* string property */ |
|
241 |
strval = kmem_alloc(za.za_num_integers, KM_SLEEP); |
|
242 |
err = zap_lookup(mos, spa->spa_pool_props_object, |
|
243 |
za.za_name, 1, za.za_num_integers, strval); |
|
244 |
if (err) { |
|
245 |
kmem_free(strval, za.za_num_integers); |
|
246 |
break; |
|
247 |
} |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
248 |
spa_prop_add_list(*nvp, prop, strval, 0, src); |
5094 | 249 |
kmem_free(strval, za.za_num_integers); |
250 |
break; |
|
251 |
||
252 |
default: |
|
253 |
break; |
|
254 |
} |
|
255 |
} |
|
256 |
zap_cursor_fini(&zc); |
|
257 |
mutex_exit(&spa->spa_props_lock); |
|
258 |
out: |
|
259 |
if (err && err != ENOENT) { |
|
260 |
nvlist_free(*nvp); |
|
5949
02e692d1cb28
6654224 zfs_ioc_pool_get_props() double-frees nvlist on error
lling
parents:
5913
diff
changeset
|
261 |
*nvp = NULL; |
5094 | 262 |
return (err); |
263 |
} |
|
264 |
||
265 |
return (0); |
|
266 |
} |
|
267 |
||
268 |
/* |
|
269 |
* Validate the given pool properties nvlist and modify the list |
|
270 |
* for the property values to be set. |
|
271 |
*/ |
|
272 |
static int |
|
273 |
spa_prop_validate(spa_t *spa, nvlist_t *props) |
|
274 |
{ |
|
275 |
nvpair_t *elem; |
|
276 |
int error = 0, reset_bootfs = 0; |
|
277 |
uint64_t objnum; |
|
278 |
||
279 |
elem = NULL; |
|
280 |
while ((elem = nvlist_next_nvpair(props, elem)) != NULL) { |
|
281 |
zpool_prop_t prop; |
|
282 |
char *propname, *strval; |
|
283 |
uint64_t intval; |
|
284 |
objset_t *os; |
|
5363 | 285 |
char *slash; |
5094 | 286 |
|
287 |
propname = nvpair_name(elem); |
|
288 |
||
289 |
if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) |
|
290 |
return (EINVAL); |
|
291 |
||
292 |
switch (prop) { |
|
293 |
case ZPOOL_PROP_VERSION: |
|
294 |
error = nvpair_value_uint64(elem, &intval); |
|
295 |
if (!error && |
|
296 |
(intval < spa_version(spa) || intval > SPA_VERSION)) |
|
297 |
error = EINVAL; |
|
298 |
break; |
|
299 |
||
300 |
case ZPOOL_PROP_DELEGATION: |
|
301 |
case ZPOOL_PROP_AUTOREPLACE: |
|
7538
18c2451107fd
PSARC 2008/469 Excluding snapshot info from 'zfs list'
Rich Morris <Richard.Morris@Sun.COM>
parents:
7497
diff
changeset
|
302 |
case ZPOOL_PROP_LISTSNAPS: |
5094 | 303 |
error = nvpair_value_uint64(elem, &intval); |
304 |
if (!error && intval > 1) |
|
305 |
error = EINVAL; |
|
306 |
break; |
|
307 |
||
308 |
case ZPOOL_PROP_BOOTFS: |
|
309 |
if (spa_version(spa) < SPA_VERSION_BOOTFS) { |
|
310 |
error = ENOTSUP; |
|
311 |
break; |
|
312 |
} |
|
313 |
||
314 |
/* |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
315 |
* Make sure the vdev config is bootable |
5094 | 316 |
*/ |
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
317 |
if (!vdev_is_bootable(spa->spa_root_vdev)) { |
5094 | 318 |
error = ENOTSUP; |
319 |
break; |
|
320 |
} |
|
321 |
||
322 |
reset_bootfs = 1; |
|
323 |
||
324 |
error = nvpair_value_string(elem, &strval); |
|
325 |
||
326 |
if (!error) { |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
327 |
uint64_t compress; |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
328 |
|
5094 | 329 |
if (strval == NULL || strval[0] == '\0') { |
330 |
objnum = zpool_prop_default_numeric( |
|
331 |
ZPOOL_PROP_BOOTFS); |
|
332 |
break; |
|
333 |
} |
|
334 |
||
335 |
if (error = dmu_objset_open(strval, DMU_OST_ZFS, |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6673
diff
changeset
|
336 |
DS_MODE_USER | DS_MODE_READONLY, &os)) |
5094 | 337 |
break; |
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
338 |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
339 |
/* We don't support gzip bootable datasets */ |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
340 |
if ((error = dsl_prop_get_integer(strval, |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
341 |
zfs_prop_to_name(ZFS_PROP_COMPRESSION), |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
342 |
&compress, NULL)) == 0 && |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
343 |
!BOOTFS_COMPRESS_VALID(compress)) { |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
344 |
error = ENOTSUP; |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
345 |
} else { |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
346 |
objnum = dmu_objset_id(os); |
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6995
diff
changeset
|
347 |
} |
5094 | 348 |
dmu_objset_close(os); |
349 |
} |
|
350 |
break; |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
351 |
|
5329 | 352 |
case ZPOOL_PROP_FAILUREMODE: |
353 |
error = nvpair_value_uint64(elem, &intval); |
|
354 |
if (!error && (intval < ZIO_FAILURE_MODE_WAIT || |
|
355 |
intval > ZIO_FAILURE_MODE_PANIC)) |
|
356 |
error = EINVAL; |
|
357 |
||
358 |
/* |
|
359 |
* This is a special case which only occurs when |
|
360 |
* the pool has completely failed. This allows |
|
361 |
* the user to change the in-core failmode property |
|
362 |
* without syncing it out to disk (I/Os might |
|
363 |
* currently be blocked). We do this by returning |
|
364 |
* EIO to the caller (spa_prop_set) to trick it |
|
365 |
* into thinking we encountered a property validation |
|
366 |
* error. |
|
367 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
368 |
if (!error && spa_suspended(spa)) { |
5329 | 369 |
spa->spa_failmode = intval; |
370 |
error = EIO; |
|
371 |
} |
|
372 |
break; |
|
5363 | 373 |
|
374 |
case ZPOOL_PROP_CACHEFILE: |
|
375 |
if ((error = nvpair_value_string(elem, &strval)) != 0) |
|
376 |
break; |
|
377 |
||
378 |
if (strval[0] == '\0') |
|
379 |
break; |
|
380 |
||
381 |
if (strcmp(strval, "none") == 0) |
|
382 |
break; |
|
383 |
||
384 |
if (strval[0] != '/') { |
|
385 |
error = EINVAL; |
|
386 |
break; |
|
387 |
} |
|
388 |
||
389 |
slash = strrchr(strval, '/'); |
|
390 |
ASSERT(slash != NULL); |
|
391 |
||
392 |
if (slash[1] == '\0' || strcmp(slash, "/.") == 0 || |
|
393 |
strcmp(slash, "/..") == 0) |
|
394 |
error = EINVAL; |
|
395 |
break; |
|
5094 | 396 |
} |
397 |
||
398 |
if (error) |
|
399 |
break; |
|
400 |
} |
|
401 |
||
402 |
if (!error && reset_bootfs) { |
|
403 |
error = nvlist_remove(props, |
|
404 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); |
|
405 |
||
406 |
if (!error) { |
|
407 |
error = nvlist_add_uint64(props, |
|
408 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); |
|
409 |
} |
|
410 |
} |
|
411 |
||
412 |
return (error); |
|
413 |
} |
|
414 |
||
415 |
int |
|
416 |
spa_prop_set(spa_t *spa, nvlist_t *nvp) |
|
417 |
{ |
|
418 |
int error; |
|
419 |
||
420 |
if ((error = spa_prop_validate(spa, nvp)) != 0) |
|
421 |
return (error); |
|
422 |
||
423 |
return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, |
|
424 |
spa, nvp, 3)); |
|
425 |
} |
|
426 |
||
427 |
/* |
|
428 |
* If the bootfs property value is dsobj, clear it. |
|
429 |
*/ |
|
430 |
void |
|
431 |
spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) |
|
432 |
{ |
|
433 |
if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) { |
|
434 |
VERIFY(zap_remove(spa->spa_meta_objset, |
|
435 |
spa->spa_pool_props_object, |
|
436 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); |
|
437 |
spa->spa_bootfs = 0; |
|
438 |
} |
|
439 |
} |
|
440 |
||
789 | 441 |
/* |
442 |
* ========================================================================== |
|
443 |
* SPA state manipulation (open/create/destroy/import/export) |
|
444 |
* ========================================================================== |
|
445 |
*/ |
|
446 |
||
1544 | 447 |
static int |
448 |
spa_error_entry_compare(const void *a, const void *b) |
|
449 |
{ |
|
450 |
spa_error_entry_t *sa = (spa_error_entry_t *)a; |
|
451 |
spa_error_entry_t *sb = (spa_error_entry_t *)b; |
|
452 |
int ret; |
|
453 |
||
454 |
ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, |
|
455 |
sizeof (zbookmark_t)); |
|
456 |
||
457 |
if (ret < 0) |
|
458 |
return (-1); |
|
459 |
else if (ret > 0) |
|
460 |
return (1); |
|
461 |
else |
|
462 |
return (0); |
|
463 |
} |
|
464 |
||
465 |
/* |
|
466 |
* Utility function which retrieves copies of the current logs and |
|
467 |
* re-initializes them in the process. |
|
468 |
*/ |
|
469 |
void |
|
470 |
spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) |
|
471 |
{ |
|
472 |
ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); |
|
473 |
||
474 |
bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); |
|
475 |
bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); |
|
476 |
||
477 |
avl_create(&spa->spa_errlist_scrub, |
|
478 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
479 |
offsetof(spa_error_entry_t, se_avl)); |
|
480 |
avl_create(&spa->spa_errlist_last, |
|
481 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
482 |
offsetof(spa_error_entry_t, se_avl)); |
|
483 |
} |
|
484 |
||
789 | 485 |
/* |
486 |
* Activate an uninitialized pool. |
|
487 |
*/ |
|
488 |
static void |
|
489 |
spa_activate(spa_t *spa) |
|
490 |
{ |
|
491 |
ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); |
|
492 |
||
493 |
spa->spa_state = POOL_STATE_ACTIVE; |
|
494 |
||
495 |
spa->spa_normal_class = metaslab_class_create(); |
|
4527 | 496 |
spa->spa_log_class = metaslab_class_create(); |
789 | 497 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
498 |
for (int t = 0; t < ZIO_TYPES; t++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
499 |
for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
500 |
spa->spa_zio_taskq[t][q] = taskq_create("spa_zio", |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
501 |
zio_taskq_threads[t][q], maxclsyspri, 50, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
502 |
INT_MAX, TASKQ_PREPOPULATE); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
503 |
} |
789 | 504 |
} |
505 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
506 |
list_create(&spa->spa_config_dirty_list, sizeof (vdev_t), |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
507 |
offsetof(vdev_t, vdev_config_dirty_node)); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
508 |
list_create(&spa->spa_state_dirty_list, sizeof (vdev_t), |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
509 |
offsetof(vdev_t, vdev_state_dirty_node)); |
789 | 510 |
|
511 |
txg_list_create(&spa->spa_vdev_txg_list, |
|
512 |
offsetof(struct vdev, vdev_txg_node)); |
|
1544 | 513 |
|
514 |
avl_create(&spa->spa_errlist_scrub, |
|
515 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
516 |
offsetof(spa_error_entry_t, se_avl)); |
|
517 |
avl_create(&spa->spa_errlist_last, |
|
518 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
519 |
offsetof(spa_error_entry_t, se_avl)); |
|
789 | 520 |
} |
521 |
||
522 |
/* |
|
523 |
* Opposite of spa_activate(). |
|
524 |
*/ |
|
525 |
static void |
|
526 |
spa_deactivate(spa_t *spa) |
|
527 |
{ |
|
528 |
ASSERT(spa->spa_sync_on == B_FALSE); |
|
529 |
ASSERT(spa->spa_dsl_pool == NULL); |
|
530 |
ASSERT(spa->spa_root_vdev == NULL); |
|
531 |
||
532 |
ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); |
|
533 |
||
534 |
txg_list_destroy(&spa->spa_vdev_txg_list); |
|
535 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
536 |
list_destroy(&spa->spa_config_dirty_list); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
537 |
list_destroy(&spa->spa_state_dirty_list); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
538 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
539 |
for (int t = 0; t < ZIO_TYPES; t++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
540 |
for (int q = 0; q < ZIO_TASKQ_TYPES; q++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
541 |
taskq_destroy(spa->spa_zio_taskq[t][q]); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
542 |
spa->spa_zio_taskq[t][q] = NULL; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
543 |
} |
789 | 544 |
} |
545 |
||
546 |
metaslab_class_destroy(spa->spa_normal_class); |
|
547 |
spa->spa_normal_class = NULL; |
|
548 |
||
4527 | 549 |
metaslab_class_destroy(spa->spa_log_class); |
550 |
spa->spa_log_class = NULL; |
|
551 |
||
1544 | 552 |
/* |
553 |
* If this was part of an import or the open otherwise failed, we may |
|
554 |
* still have errors left in the queues. Empty them just in case. |
|
555 |
*/ |
|
556 |
spa_errlog_drain(spa); |
|
557 |
||
558 |
avl_destroy(&spa->spa_errlist_scrub); |
|
559 |
avl_destroy(&spa->spa_errlist_last); |
|
560 |
||
789 | 561 |
spa->spa_state = POOL_STATE_UNINITIALIZED; |
562 |
} |
|
563 |
||
564 |
/* |
|
565 |
* Verify a pool configuration, and construct the vdev tree appropriately. This |
|
566 |
* will create all the necessary vdevs in the appropriate layout, with each vdev |
|
567 |
* in the CLOSED state. This will prep the pool before open/creation/import. |
|
568 |
* All vdev validation is done by the vdev_alloc() routine. |
|
569 |
*/ |
|
2082 | 570 |
static int |
571 |
spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, |
|
572 |
uint_t id, int atype) |
|
789 | 573 |
{ |
574 |
nvlist_t **child; |
|
575 |
uint_t c, children; |
|
2082 | 576 |
int error; |
577 |
||
578 |
if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) |
|
579 |
return (error); |
|
580 |
||
581 |
if ((*vdp)->vdev_ops->vdev_op_leaf) |
|
582 |
return (0); |
|
789 | 583 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
584 |
error = nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
585 |
&child, &children); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
586 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
587 |
if (error == ENOENT) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
588 |
return (0); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
589 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
590 |
if (error) { |
2082 | 591 |
vdev_free(*vdp); |
592 |
*vdp = NULL; |
|
593 |
return (EINVAL); |
|
789 | 594 |
} |
595 |
||
596 |
for (c = 0; c < children; c++) { |
|
2082 | 597 |
vdev_t *vd; |
598 |
if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, |
|
599 |
atype)) != 0) { |
|
600 |
vdev_free(*vdp); |
|
601 |
*vdp = NULL; |
|
602 |
return (error); |
|
789 | 603 |
} |
604 |
} |
|
605 |
||
2082 | 606 |
ASSERT(*vdp != NULL); |
607 |
||
608 |
return (0); |
|
789 | 609 |
} |
610 |
||
611 |
/* |
|
612 |
* Opposite of spa_load(). |
|
613 |
*/ |
|
614 |
static void |
|
615 |
spa_unload(spa_t *spa) |
|
616 |
{ |
|
2082 | 617 |
int i; |
618 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
619 |
ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
620 |
|
789 | 621 |
/* |
1544 | 622 |
* Stop async tasks. |
623 |
*/ |
|
624 |
spa_async_suspend(spa); |
|
625 |
||
626 |
/* |
|
789 | 627 |
* Stop syncing. |
628 |
*/ |
|
629 |
if (spa->spa_sync_on) { |
|
630 |
txg_sync_stop(spa->spa_dsl_pool); |
|
631 |
spa->spa_sync_on = B_FALSE; |
|
632 |
} |
|
633 |
||
634 |
/* |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
635 |
* Wait for any outstanding async I/O to complete. |
789 | 636 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
637 |
mutex_enter(&spa->spa_async_root_lock); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
638 |
while (spa->spa_async_root_count != 0) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
639 |
cv_wait(&spa->spa_async_root_cv, &spa->spa_async_root_lock); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
640 |
mutex_exit(&spa->spa_async_root_lock); |
789 | 641 |
|
642 |
/* |
|
5450 | 643 |
* Drop and purge level 2 cache |
644 |
*/ |
|
645 |
spa_l2cache_drop(spa); |
|
646 |
||
647 |
/* |
|
789 | 648 |
* Close the dsl pool. |
649 |
*/ |
|
650 |
if (spa->spa_dsl_pool) { |
|
651 |
dsl_pool_close(spa->spa_dsl_pool); |
|
652 |
spa->spa_dsl_pool = NULL; |
|
653 |
} |
|
654 |
||
655 |
/* |
|
656 |
* Close all vdevs. |
|
657 |
*/ |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
658 |
if (spa->spa_root_vdev) |
789 | 659 |
vdev_free(spa->spa_root_vdev); |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
660 |
ASSERT(spa->spa_root_vdev == NULL); |
1544 | 661 |
|
5450 | 662 |
for (i = 0; i < spa->spa_spares.sav_count; i++) |
663 |
vdev_free(spa->spa_spares.sav_vdevs[i]); |
|
664 |
if (spa->spa_spares.sav_vdevs) { |
|
665 |
kmem_free(spa->spa_spares.sav_vdevs, |
|
666 |
spa->spa_spares.sav_count * sizeof (void *)); |
|
667 |
spa->spa_spares.sav_vdevs = NULL; |
|
668 |
} |
|
669 |
if (spa->spa_spares.sav_config) { |
|
670 |
nvlist_free(spa->spa_spares.sav_config); |
|
671 |
spa->spa_spares.sav_config = NULL; |
|
2082 | 672 |
} |
7377
2afc6772d754
6739314 failed log devices in a pool with spares causes panic on load
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7361
diff
changeset
|
673 |
spa->spa_spares.sav_count = 0; |
5450 | 674 |
|
675 |
for (i = 0; i < spa->spa_l2cache.sav_count; i++) |
|
676 |
vdev_free(spa->spa_l2cache.sav_vdevs[i]); |
|
677 |
if (spa->spa_l2cache.sav_vdevs) { |
|
678 |
kmem_free(spa->spa_l2cache.sav_vdevs, |
|
679 |
spa->spa_l2cache.sav_count * sizeof (void *)); |
|
680 |
spa->spa_l2cache.sav_vdevs = NULL; |
|
681 |
} |
|
682 |
if (spa->spa_l2cache.sav_config) { |
|
683 |
nvlist_free(spa->spa_l2cache.sav_config); |
|
684 |
spa->spa_l2cache.sav_config = NULL; |
|
2082 | 685 |
} |
7377
2afc6772d754
6739314 failed log devices in a pool with spares causes panic on load
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7361
diff
changeset
|
686 |
spa->spa_l2cache.sav_count = 0; |
2082 | 687 |
|
1544 | 688 |
spa->spa_async_suspended = 0; |
789 | 689 |
} |
690 |
||
691 |
/* |
|
2082 | 692 |
* Load (or re-load) the current list of vdevs describing the active spares for |
693 |
* this pool. When this is called, we have some form of basic information in |
|
5450 | 694 |
* 'spa_spares.sav_config'. We parse this into vdevs, try to open them, and |
695 |
* then re-generate a more complete list including status information. |
|
2082 | 696 |
*/ |
697 |
static void |
|
698 |
spa_load_spares(spa_t *spa) |
|
699 |
{ |
|
700 |
nvlist_t **spares; |
|
701 |
uint_t nspares; |
|
702 |
int i; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
703 |
vdev_t *vd, *tvd; |
2082 | 704 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
705 |
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
706 |
|
2082 | 707 |
/* |
708 |
* First, close and free any existing spare vdevs. |
|
709 |
*/ |
|
5450 | 710 |
for (i = 0; i < spa->spa_spares.sav_count; i++) { |
711 |
vd = spa->spa_spares.sav_vdevs[i]; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
712 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
713 |
/* Undo the call to spa_activate() below */ |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
714 |
if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
715 |
B_FALSE)) != NULL && tvd->vdev_isspare) |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
716 |
spa_spare_remove(tvd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
717 |
vdev_close(vd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
718 |
vdev_free(vd); |
2082 | 719 |
} |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
720 |
|
5450 | 721 |
if (spa->spa_spares.sav_vdevs) |
722 |
kmem_free(spa->spa_spares.sav_vdevs, |
|
723 |
spa->spa_spares.sav_count * sizeof (void *)); |
|
724 |
||
725 |
if (spa->spa_spares.sav_config == NULL) |
|
2082 | 726 |
nspares = 0; |
727 |
else |
|
5450 | 728 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
2082 | 729 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
730 |
||
5450 | 731 |
spa->spa_spares.sav_count = (int)nspares; |
732 |
spa->spa_spares.sav_vdevs = NULL; |
|
2082 | 733 |
|
734 |
if (nspares == 0) |
|
735 |
return; |
|
736 |
||
737 |
/* |
|
738 |
* Construct the array of vdevs, opening them to get status in the |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
739 |
* process. For each spare, there is potentially two different vdev_t |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
740 |
* structures associated with it: one in the list of spares (used only |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
741 |
* for basic validation purposes) and one in the active vdev |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
742 |
* configuration (if it's spared in). During this phase we open and |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
743 |
* validate each vdev on the spare list. If the vdev also exists in the |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
744 |
* active configuration, then we also mark this vdev as an active spare. |
2082 | 745 |
*/ |
5450 | 746 |
spa->spa_spares.sav_vdevs = kmem_alloc(nspares * sizeof (void *), |
747 |
KM_SLEEP); |
|
748 |
for (i = 0; i < spa->spa_spares.sav_count; i++) { |
|
2082 | 749 |
VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
750 |
VDEV_ALLOC_SPARE) == 0); |
|
751 |
ASSERT(vd != NULL); |
|
752 |
||
5450 | 753 |
spa->spa_spares.sav_vdevs[i] = vd; |
2082 | 754 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
755 |
if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
756 |
B_FALSE)) != NULL) { |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
757 |
if (!tvd->vdev_isspare) |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
758 |
spa_spare_add(tvd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
759 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
760 |
/* |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
761 |
* We only mark the spare active if we were successfully |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
762 |
* able to load the vdev. Otherwise, importing a pool |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
763 |
* with a bad active spare would result in strange |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
764 |
* behavior, because multiple pool would think the spare |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
765 |
* is actively in use. |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
766 |
* |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
767 |
* There is a vulnerability here to an equally bizarre |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
768 |
* circumstance, where a dead active spare is later |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
769 |
* brought back to life (onlined or otherwise). Given |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
770 |
* the rarity of this scenario, and the extra complexity |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
771 |
* it adds, we ignore the possibility. |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
772 |
*/ |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
773 |
if (!vdev_is_dead(tvd)) |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
774 |
spa_spare_activate(tvd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
775 |
} |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
776 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
777 |
vd->vdev_top = vd; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
778 |
|
2082 | 779 |
if (vdev_open(vd) != 0) |
780 |
continue; |
|
781 |
||
5450 | 782 |
if (vdev_validate_aux(vd) == 0) |
783 |
spa_spare_add(vd); |
|
2082 | 784 |
} |
785 |
||
786 |
/* |
|
787 |
* Recompute the stashed list of spares, with status information |
|
788 |
* this time. |
|
789 |
*/ |
|
5450 | 790 |
VERIFY(nvlist_remove(spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
2082 | 791 |
DATA_TYPE_NVLIST_ARRAY) == 0); |
792 |
||
5450 | 793 |
spares = kmem_alloc(spa->spa_spares.sav_count * sizeof (void *), |
794 |
KM_SLEEP); |
|
795 |
for (i = 0; i < spa->spa_spares.sav_count; i++) |
|
796 |
spares[i] = vdev_config_generate(spa, |
|
797 |
spa->spa_spares.sav_vdevs[i], B_TRUE, B_TRUE, B_FALSE); |
|
798 |
VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
|
799 |
ZPOOL_CONFIG_SPARES, spares, spa->spa_spares.sav_count) == 0); |
|
800 |
for (i = 0; i < spa->spa_spares.sav_count; i++) |
|
2082 | 801 |
nvlist_free(spares[i]); |
5450 | 802 |
kmem_free(spares, spa->spa_spares.sav_count * sizeof (void *)); |
803 |
} |
|
804 |
||
805 |
/* |
|
806 |
* Load (or re-load) the current list of vdevs describing the active l2cache for |
|
807 |
* this pool. When this is called, we have some form of basic information in |
|
808 |
* 'spa_l2cache.sav_config'. We parse this into vdevs, try to open them, and |
|
809 |
* then re-generate a more complete list including status information. |
|
810 |
* Devices which are already active have their details maintained, and are |
|
811 |
* not re-opened. |
|
812 |
*/ |
|
813 |
static void |
|
814 |
spa_load_l2cache(spa_t *spa) |
|
815 |
{ |
|
816 |
nvlist_t **l2cache; |
|
817 |
uint_t nl2cache; |
|
818 |
int i, j, oldnvdevs; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
819 |
uint64_t guid, size; |
5450 | 820 |
vdev_t *vd, **oldvdevs, **newvdevs; |
821 |
spa_aux_vdev_t *sav = &spa->spa_l2cache; |
|
822 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
823 |
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
824 |
|
5450 | 825 |
if (sav->sav_config != NULL) { |
826 |
VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, |
|
827 |
ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); |
|
828 |
newvdevs = kmem_alloc(nl2cache * sizeof (void *), KM_SLEEP); |
|
829 |
} else { |
|
830 |
nl2cache = 0; |
|
831 |
} |
|
832 |
||
833 |
oldvdevs = sav->sav_vdevs; |
|
834 |
oldnvdevs = sav->sav_count; |
|
835 |
sav->sav_vdevs = NULL; |
|
836 |
sav->sav_count = 0; |
|
837 |
||
838 |
/* |
|
839 |
* Process new nvlist of vdevs. |
|
840 |
*/ |
|
841 |
for (i = 0; i < nl2cache; i++) { |
|
842 |
VERIFY(nvlist_lookup_uint64(l2cache[i], ZPOOL_CONFIG_GUID, |
|
843 |
&guid) == 0); |
|
844 |
||
845 |
newvdevs[i] = NULL; |
|
846 |
for (j = 0; j < oldnvdevs; j++) { |
|
847 |
vd = oldvdevs[j]; |
|
848 |
if (vd != NULL && guid == vd->vdev_guid) { |
|
849 |
/* |
|
850 |
* Retain previous vdev for add/remove ops. |
|
851 |
*/ |
|
852 |
newvdevs[i] = vd; |
|
853 |
oldvdevs[j] = NULL; |
|
854 |
break; |
|
855 |
} |
|
856 |
} |
|
857 |
||
858 |
if (newvdevs[i] == NULL) { |
|
859 |
/* |
|
860 |
* Create new vdev |
|
861 |
*/ |
|
862 |
VERIFY(spa_config_parse(spa, &vd, l2cache[i], NULL, 0, |
|
863 |
VDEV_ALLOC_L2CACHE) == 0); |
|
864 |
ASSERT(vd != NULL); |
|
865 |
newvdevs[i] = vd; |
|
866 |
||
867 |
/* |
|
868 |
* Commit this vdev as an l2cache device, |
|
869 |
* even if it fails to open. |
|
870 |
*/ |
|
871 |
spa_l2cache_add(vd); |
|
872 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
873 |
vd->vdev_top = vd; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
874 |
vd->vdev_aux = sav; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
875 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
876 |
spa_l2cache_activate(vd); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
877 |
|
5450 | 878 |
if (vdev_open(vd) != 0) |
879 |
continue; |
|
880 |
||
881 |
(void) vdev_validate_aux(vd); |
|
882 |
||
883 |
if (!vdev_is_dead(vd)) { |
|
884 |
size = vdev_get_rsize(vd); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
885 |
l2arc_add_vdev(spa, vd, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
886 |
VDEV_LABEL_START_SIZE, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
887 |
size - VDEV_LABEL_START_SIZE); |
5450 | 888 |
} |
889 |
} |
|
890 |
} |
|
891 |
||
892 |
/* |
|
893 |
* Purge vdevs that were dropped |
|
894 |
*/ |
|
895 |
for (i = 0; i < oldnvdevs; i++) { |
|
896 |
uint64_t pool; |
|
897 |
||
898 |
vd = oldvdevs[i]; |
|
899 |
if (vd != NULL) { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
900 |
if ((spa_mode & FWRITE) && |
5450 | 901 |
spa_l2cache_exists(vd->vdev_guid, &pool) && |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
902 |
pool != 0ULL && |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
903 |
l2arc_vdev_present(vd)) { |
5450 | 904 |
l2arc_remove_vdev(vd); |
905 |
} |
|
906 |
(void) vdev_close(vd); |
|
907 |
spa_l2cache_remove(vd); |
|
908 |
} |
|
909 |
} |
|
910 |
||
911 |
if (oldvdevs) |
|
912 |
kmem_free(oldvdevs, oldnvdevs * sizeof (void *)); |
|
913 |
||
914 |
if (sav->sav_config == NULL) |
|
915 |
goto out; |
|
916 |
||
917 |
sav->sav_vdevs = newvdevs; |
|
918 |
sav->sav_count = (int)nl2cache; |
|
919 |
||
920 |
/* |
|
921 |
* Recompute the stashed list of l2cache devices, with status |
|
922 |
* information this time. |
|
923 |
*/ |
|
924 |
VERIFY(nvlist_remove(sav->sav_config, ZPOOL_CONFIG_L2CACHE, |
|
925 |
DATA_TYPE_NVLIST_ARRAY) == 0); |
|
926 |
||
927 |
l2cache = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
|
928 |
for (i = 0; i < sav->sav_count; i++) |
|
929 |
l2cache[i] = vdev_config_generate(spa, |
|
930 |
sav->sav_vdevs[i], B_TRUE, B_FALSE, B_TRUE); |
|
931 |
VERIFY(nvlist_add_nvlist_array(sav->sav_config, |
|
932 |
ZPOOL_CONFIG_L2CACHE, l2cache, sav->sav_count) == 0); |
|
933 |
out: |
|
934 |
for (i = 0; i < sav->sav_count; i++) |
|
935 |
nvlist_free(l2cache[i]); |
|
936 |
if (sav->sav_count) |
|
937 |
kmem_free(l2cache, sav->sav_count * sizeof (void *)); |
|
2082 | 938 |
} |
939 |
||
940 |
static int |
|
941 |
load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) |
|
942 |
{ |
|
943 |
dmu_buf_t *db; |
|
944 |
char *packed = NULL; |
|
945 |
size_t nvsize = 0; |
|
946 |
int error; |
|
947 |
*value = NULL; |
|
948 |
||
949 |
VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); |
|
950 |
nvsize = *(uint64_t *)db->db_data; |
|
951 |
dmu_buf_rele(db, FTAG); |
|
952 |
||
953 |
packed = kmem_alloc(nvsize, KM_SLEEP); |
|
954 |
error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed); |
|
955 |
if (error == 0) |
|
956 |
error = nvlist_unpack(packed, nvsize, value, 0); |
|
957 |
kmem_free(packed, nvsize); |
|
958 |
||
959 |
return (error); |
|
960 |
} |
|
961 |
||
962 |
/* |
|
4451 | 963 |
* Checks to see if the given vdev could not be opened, in which case we post a |
964 |
* sysevent to notify the autoreplace code that the device has been removed. |
|
965 |
*/ |
|
966 |
static void |
|
967 |
spa_check_removed(vdev_t *vd) |
|
968 |
{ |
|
969 |
int c; |
|
970 |
||
971 |
for (c = 0; c < vd->vdev_children; c++) |
|
972 |
spa_check_removed(vd->vdev_child[c]); |
|
973 |
||
974 |
if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) { |
|
975 |
zfs_post_autoreplace(vd->vdev_spa, vd); |
|
976 |
spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); |
|
977 |
} |
|
978 |
} |
|
979 |
||
980 |
/* |
|
7294 | 981 |
* Check for missing log devices |
982 |
*/ |
|
983 |
int |
|
984 |
spa_check_logs(spa_t *spa) |
|
985 |
{ |
|
986 |
switch (spa->spa_log_state) { |
|
987 |
case SPA_LOG_MISSING: |
|
988 |
/* need to recheck in case slog has been restored */ |
|
989 |
case SPA_LOG_UNKNOWN: |
|
990 |
if (dmu_objset_find(spa->spa_name, zil_check_log_chain, NULL, |
|
991 |
DS_FIND_CHILDREN)) { |
|
992 |
spa->spa_log_state = SPA_LOG_MISSING; |
|
993 |
return (1); |
|
994 |
} |
|
995 |
break; |
|
996 |
||
997 |
case SPA_LOG_CLEAR: |
|
998 |
(void) dmu_objset_find(spa->spa_name, zil_clear_log_chain, NULL, |
|
999 |
DS_FIND_CHILDREN); |
|
1000 |
break; |
|
1001 |
} |
|
1002 |
spa->spa_log_state = SPA_LOG_GOOD; |
|
1003 |
return (0); |
|
1004 |
} |
|
1005 |
||
1006 |
/* |
|
789 | 1007 |
* Load an existing storage pool, using the pool's builtin spa_config as a |
1544 | 1008 |
* source of configuration information. |
789 | 1009 |
*/ |
1010 |
static int |
|
1544 | 1011 |
spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
789 | 1012 |
{ |
1013 |
int error = 0; |
|
1014 |
nvlist_t *nvroot = NULL; |
|
1015 |
vdev_t *rvd; |
|
1016 |
uberblock_t *ub = &spa->spa_uberblock; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1017 |
uint64_t config_cache_txg = spa->spa_config_txg; |
789 | 1018 |
uint64_t pool_guid; |
2082 | 1019 |
uint64_t version; |
4451 | 1020 |
uint64_t autoreplace = 0; |
7294 | 1021 |
char *ereport = FM_EREPORT_ZFS_POOL; |
789 | 1022 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1023 |
ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1024 |
|
1544 | 1025 |
spa->spa_load_state = state; |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1026 |
|
789 | 1027 |
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
1733 | 1028 |
nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) { |
1544 | 1029 |
error = EINVAL; |
1030 |
goto out; |
|
1031 |
} |
|
789 | 1032 |
|
2082 | 1033 |
/* |
1034 |
* Versioning wasn't explicitly added to the label until later, so if |
|
1035 |
* it's not present treat it as the initial version. |
|
1036 |
*/ |
|
1037 |
if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) |
|
4577 | 1038 |
version = SPA_VERSION_INITIAL; |
2082 | 1039 |
|
1733 | 1040 |
(void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
1041 |
&spa->spa_config_txg); |
|
1042 |
||
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1043 |
if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
1544 | 1044 |
spa_guid_exists(pool_guid, 0)) { |
1045 |
error = EEXIST; |
|
1046 |
goto out; |
|
1047 |
} |
|
789 | 1048 |
|
2174
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1049 |
spa->spa_load_guid = pool_guid; |
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
1050 |
|
789 | 1051 |
/* |
2082 | 1052 |
* Parse the configuration into a vdev tree. We explicitly set the |
1053 |
* value that will be returned by spa_version() since parsing the |
|
1054 |
* configuration requires knowing the version number. |
|
789 | 1055 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1056 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
2082 | 1057 |
spa->spa_ubsync.ub_version = version; |
1058 |
error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_LOAD); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1059 |
spa_config_exit(spa, SCL_ALL, FTAG); |
789 | 1060 |
|
2082 | 1061 |
if (error != 0) |
1544 | 1062 |
goto out; |
789 | 1063 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1064 |
ASSERT(spa->spa_root_vdev == rvd); |
789 | 1065 |
ASSERT(spa_guid(spa) == pool_guid); |
1066 |
||
1067 |
/* |
|
1068 |
* Try to open all vdevs, loading each label in the process. |
|
1069 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1070 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1071 |
error = vdev_open(rvd); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1072 |
spa_config_exit(spa, SCL_ALL, FTAG); |
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1073 |
if (error != 0) |
1544 | 1074 |
goto out; |
789 | 1075 |
|
1076 |
/* |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1077 |
* Validate the labels for all leaf vdevs. We need to grab the config |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1078 |
* lock because all label I/O is done with ZIO_FLAG_CONFIG_WRITER. |
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1079 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1080 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1081 |
error = vdev_validate(rvd); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1082 |
spa_config_exit(spa, SCL_ALL, FTAG); |
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1083 |
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
1084 |
if (error != 0) |
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1085 |
goto out; |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1086 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1087 |
if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1088 |
error = ENXIO; |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1089 |
goto out; |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1090 |
} |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1091 |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1092 |
/* |
789 | 1093 |
* Find the best uberblock. |
1094 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1095 |
vdev_uberblock_load(NULL, rvd, ub); |
789 | 1096 |
|
1097 |
/* |
|
1098 |
* If we weren't able to find a single valid uberblock, return failure. |
|
1099 |
*/ |
|
1100 |
if (ub->ub_txg == 0) { |
|
1760 | 1101 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1102 |
VDEV_AUX_CORRUPT_DATA); |
|
1544 | 1103 |
error = ENXIO; |
1104 |
goto out; |
|
1105 |
} |
|
1106 |
||
1107 |
/* |
|
1108 |
* If the pool is newer than the code, we can't open it. |
|
1109 |
*/ |
|
4577 | 1110 |
if (ub->ub_version > SPA_VERSION) { |
1760 | 1111 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1112 |
VDEV_AUX_VERSION_NEWER); |
|
1544 | 1113 |
error = ENOTSUP; |
1114 |
goto out; |
|
789 | 1115 |
} |
1116 |
||
1117 |
/* |
|
1118 |
* If the vdev guid sum doesn't match the uberblock, we have an |
|
1119 |
* incomplete configuration. |
|
1120 |
*/ |
|
1732 | 1121 |
if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) { |
1544 | 1122 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1123 |
VDEV_AUX_BAD_GUID_SUM); |
|
1124 |
error = ENXIO; |
|
1125 |
goto out; |
|
789 | 1126 |
} |
1127 |
||
1128 |
/* |
|
1129 |
* Initialize internal SPA structures. |
|
1130 |
*/ |
|
1131 |
spa->spa_state = POOL_STATE_ACTIVE; |
|
1132 |
spa->spa_ubsync = spa->spa_uberblock; |
|
1133 |
spa->spa_first_txg = spa_last_synced_txg(spa) + 1; |
|
1544 | 1134 |
error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
1135 |
if (error) { |
|
1136 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1137 |
VDEV_AUX_CORRUPT_DATA); |
|
1138 |
goto out; |
|
1139 |
} |
|
789 | 1140 |
spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
1141 |
||
1544 | 1142 |
if (zap_lookup(spa->spa_meta_objset, |
789 | 1143 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
1544 | 1144 |
sizeof (uint64_t), 1, &spa->spa_config_object) != 0) { |
1145 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1146 |
VDEV_AUX_CORRUPT_DATA); |
|
1147 |
error = EIO; |
|
1148 |
goto out; |
|
1149 |
} |
|
789 | 1150 |
|
1151 |
if (!mosconfig) { |
|
2082 | 1152 |
nvlist_t *newconfig; |
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1153 |
uint64_t hostid; |
2082 | 1154 |
|
1155 |
if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) { |
|
1544 | 1156 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1157 |
VDEV_AUX_CORRUPT_DATA); |
|
1158 |
error = EIO; |
|
1159 |
goto out; |
|
1160 |
} |
|
789 | 1161 |
|
7706
75cbbfb9ce50
6716241 Changing hostid, by moving in a new sysinit file, panics a zfs root file system
Lin Ling <Lin.Ling@Sun.COM>
parents:
7687
diff
changeset
|
1162 |
if (!spa_is_root(spa) && nvlist_lookup_uint64(newconfig, |
75cbbfb9ce50
6716241 Changing hostid, by moving in a new sysinit file, panics a zfs root file system
Lin Ling <Lin.Ling@Sun.COM>
parents:
7687
diff
changeset
|
1163 |
ZPOOL_CONFIG_HOSTID, &hostid) == 0) { |
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1164 |
char *hostname; |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1165 |
unsigned long myhostid = 0; |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1166 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1167 |
VERIFY(nvlist_lookup_string(newconfig, |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1168 |
ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1169 |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1170 |
(void) ddi_strtoul(hw_serial, NULL, 10, &myhostid); |
4178
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1171 |
if (hostid != 0 && myhostid != 0 && |
ad95fd86760b
6553537 zfs root fails to boot from a snv_63+zfsboot-pfinstall netinstall image
lling
parents:
4070
diff
changeset
|
1172 |
(unsigned long)hostid != myhostid) { |
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1173 |
cmn_err(CE_WARN, "pool '%s' could not be " |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1174 |
"loaded as it was last accessed by " |
7706
75cbbfb9ce50
6716241 Changing hostid, by moving in a new sysinit file, panics a zfs root file system
Lin Ling <Lin.Ling@Sun.COM>
parents:
7687
diff
changeset
|
1175 |
"another system (host: %s hostid: 0x%lx). " |
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1176 |
"See: http://www.sun.com/msg/ZFS-8000-EY", |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1177 |
spa_name(spa), hostname, |
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1178 |
(unsigned long)hostid); |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1179 |
error = EBADF; |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1180 |
goto out; |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1181 |
} |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1182 |
} |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1183 |
|
789 | 1184 |
spa_config_set(spa, newconfig); |
1185 |
spa_unload(spa); |
|
1186 |
spa_deactivate(spa); |
|
1187 |
spa_activate(spa); |
|
1188 |
||
1544 | 1189 |
return (spa_load(spa, newconfig, state, B_TRUE)); |
1190 |
} |
|
1191 |
||
1192 |
if (zap_lookup(spa->spa_meta_objset, |
|
1193 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
|
1194 |
sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) { |
|
1195 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1196 |
VDEV_AUX_CORRUPT_DATA); |
|
1197 |
error = EIO; |
|
1198 |
goto out; |
|
789 | 1199 |
} |
1200 |
||
1544 | 1201 |
/* |
2082 | 1202 |
* Load the bit that tells us to use the new accounting function |
1203 |
* (raid-z deflation). If we have an older pool, this will not |
|
1204 |
* be present. |
|
1205 |
*/ |
|
1206 |
error = zap_lookup(spa->spa_meta_objset, |
|
1207 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, |
|
1208 |
sizeof (uint64_t), 1, &spa->spa_deflate); |
|
1209 |
if (error != 0 && error != ENOENT) { |
|
1210 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1211 |
VDEV_AUX_CORRUPT_DATA); |
|
1212 |
error = EIO; |
|
1213 |
goto out; |
|
1214 |
} |
|
1215 |
||
1216 |
/* |
|
1544 | 1217 |
* Load the persistent error log. If we have an older pool, this will |
1218 |
* not be present. |
|
1219 |
*/ |
|
1220 |
error = zap_lookup(spa->spa_meta_objset, |
|
1221 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, |
|
1222 |
sizeof (uint64_t), 1, &spa->spa_errlog_last); |
|
1807
35c8b566d7af
6410711 intent log blocks don't get invited to pool parties
bonwick
parents:
1775
diff
changeset
|
1223 |
if (error != 0 && error != ENOENT) { |
1544 | 1224 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1225 |
VDEV_AUX_CORRUPT_DATA); |
|
1226 |
error = EIO; |
|
1227 |
goto out; |
|
1228 |
} |
|
1229 |
||
1230 |
error = zap_lookup(spa->spa_meta_objset, |
|
1231 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, |
|
1232 |
sizeof (uint64_t), 1, &spa->spa_errlog_scrub); |
|
1233 |
if (error != 0 && error != ENOENT) { |
|
1234 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1235 |
VDEV_AUX_CORRUPT_DATA); |
|
1236 |
error = EIO; |
|
1237 |
goto out; |
|
1238 |
} |
|
789 | 1239 |
|
1240 |
/* |
|
2926 | 1241 |
* Load the history object. If we have an older pool, this |
1242 |
* will not be present. |
|
1243 |
*/ |
|
1244 |
error = zap_lookup(spa->spa_meta_objset, |
|
1245 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, |
|
1246 |
sizeof (uint64_t), 1, &spa->spa_history); |
|
1247 |
if (error != 0 && error != ENOENT) { |
|
1248 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1249 |
VDEV_AUX_CORRUPT_DATA); |
|
1250 |
error = EIO; |
|
1251 |
goto out; |
|
1252 |
} |
|
1253 |
||
1254 |
/* |
|
2082 | 1255 |
* Load any hot spares for this pool. |
1256 |
*/ |
|
1257 |
error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
|
5450 | 1258 |
DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares.sav_object); |
2082 | 1259 |
if (error != 0 && error != ENOENT) { |
1260 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1261 |
VDEV_AUX_CORRUPT_DATA); |
|
1262 |
error = EIO; |
|
1263 |
goto out; |
|
1264 |
} |
|
1265 |
if (error == 0) { |
|
4577 | 1266 |
ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
5450 | 1267 |
if (load_nvlist(spa, spa->spa_spares.sav_object, |
1268 |
&spa->spa_spares.sav_config) != 0) { |
|
2082 | 1269 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1270 |
VDEV_AUX_CORRUPT_DATA); |
|
1271 |
error = EIO; |
|
1272 |
goto out; |
|
1273 |
} |
|
1274 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1275 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
2082 | 1276 |
spa_load_spares(spa); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1277 |
spa_config_exit(spa, SCL_ALL, FTAG); |
2082 | 1278 |
} |
1279 |
||
5450 | 1280 |
/* |
1281 |
* Load any level 2 ARC devices for this pool. |
|
1282 |
*/ |
|
1283 |
error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
|
1284 |
DMU_POOL_L2CACHE, sizeof (uint64_t), 1, |
|
1285 |
&spa->spa_l2cache.sav_object); |
|
1286 |
if (error != 0 && error != ENOENT) { |
|
1287 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1288 |
VDEV_AUX_CORRUPT_DATA); |
|
1289 |
error = EIO; |
|
1290 |
goto out; |
|
1291 |
} |
|
1292 |
if (error == 0) { |
|
1293 |
ASSERT(spa_version(spa) >= SPA_VERSION_L2CACHE); |
|
1294 |
if (load_nvlist(spa, spa->spa_l2cache.sav_object, |
|
1295 |
&spa->spa_l2cache.sav_config) != 0) { |
|
1296 |
vdev_set_state(rvd, B_TRUE, |
|
1297 |
VDEV_STATE_CANT_OPEN, |
|
1298 |
VDEV_AUX_CORRUPT_DATA); |
|
1299 |
error = EIO; |
|
1300 |
goto out; |
|
1301 |
} |
|
1302 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1303 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
5450 | 1304 |
spa_load_l2cache(spa); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1305 |
spa_config_exit(spa, SCL_ALL, FTAG); |
5450 | 1306 |
} |
1307 |
||
7294 | 1308 |
if (spa_check_logs(spa)) { |
1309 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1310 |
VDEV_AUX_BAD_LOG); |
|
1311 |
error = ENXIO; |
|
1312 |
ereport = FM_EREPORT_ZFS_LOG_REPLAY; |
|
1313 |
goto out; |
|
1314 |
} |
|
1315 |
||
1316 |
||
5094 | 1317 |
spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
4543 | 1318 |
|
3912 | 1319 |
error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
1320 |
DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); |
|
1321 |
||
1322 |
if (error && error != ENOENT) { |
|
1323 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1324 |
VDEV_AUX_CORRUPT_DATA); |
|
1325 |
error = EIO; |
|
1326 |
goto out; |
|
1327 |
} |
|
1328 |
||
1329 |
if (error == 0) { |
|
1330 |
(void) zap_lookup(spa->spa_meta_objset, |
|
1331 |
spa->spa_pool_props_object, |
|
4451 | 1332 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
3912 | 1333 |
sizeof (uint64_t), 1, &spa->spa_bootfs); |
4451 | 1334 |
(void) zap_lookup(spa->spa_meta_objset, |
1335 |
spa->spa_pool_props_object, |
|
1336 |
zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), |
|
1337 |
sizeof (uint64_t), 1, &autoreplace); |
|
4543 | 1338 |
(void) zap_lookup(spa->spa_meta_objset, |
1339 |
spa->spa_pool_props_object, |
|
1340 |
zpool_prop_to_name(ZPOOL_PROP_DELEGATION), |
|
1341 |
sizeof (uint64_t), 1, &spa->spa_delegation); |
|
5329 | 1342 |
(void) zap_lookup(spa->spa_meta_objset, |
1343 |
spa->spa_pool_props_object, |
|
1344 |
zpool_prop_to_name(ZPOOL_PROP_FAILUREMODE), |
|
1345 |
sizeof (uint64_t), 1, &spa->spa_failmode); |
|
3912 | 1346 |
} |
1347 |
||
2082 | 1348 |
/* |
4451 | 1349 |
* If the 'autoreplace' property is set, then post a resource notifying |
1350 |
* the ZFS DE that it should not issue any faults for unopenable |
|
1351 |
* devices. We also iterate over the vdevs, and post a sysevent for any |
|
1352 |
* unopenable vdevs so that the normal autoreplace handler can take |
|
1353 |
* over. |
|
1354 |
*/ |
|
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
1355 |
if (autoreplace && state != SPA_LOAD_TRYIMPORT) |
4451 | 1356 |
spa_check_removed(spa->spa_root_vdev); |
1357 |
||
1358 |
/* |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1359 |
* Load the vdev state for all toplevel vdevs. |
789 | 1360 |
*/ |
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1361 |
vdev_load(rvd); |
789 | 1362 |
|
1363 |
/* |
|
1364 |
* Propagate the leaf DTLs we just loaded all the way up the tree. |
|
1365 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1366 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
789 | 1367 |
vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1368 |
spa_config_exit(spa, SCL_ALL, FTAG); |
789 | 1369 |
|
1370 |
/* |
|
1371 |
* Check the state of the root vdev. If it can't be opened, it |
|
1372 |
* indicates one or more toplevel vdevs are faulted. |
|
1373 |
*/ |
|
1544 | 1374 |
if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) { |
1375 |
error = ENXIO; |
|
1376 |
goto out; |
|
1377 |
} |
|
789 | 1378 |
|
1544 | 1379 |
if ((spa_mode & FWRITE) && state != SPA_LOAD_TRYIMPORT) { |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1380 |
dmu_tx_t *tx; |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1381 |
int need_update = B_FALSE; |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1382 |
int c; |
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1383 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1384 |
/* |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1385 |
* Claim log blocks that haven't been committed yet. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1386 |
* This must all happen in a single txg. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1387 |
*/ |
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1388 |
tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
789 | 1389 |
spa_first_txg(spa)); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1390 |
(void) dmu_objset_find(spa_name(spa), |
2417 | 1391 |
zil_claim, tx, DS_FIND_CHILDREN); |
789 | 1392 |
dmu_tx_commit(tx); |
1393 |
||
1394 |
spa->spa_sync_on = B_TRUE; |
|
1395 |
txg_sync_start(spa->spa_dsl_pool); |
|
1396 |
||
1397 |
/* |
|
1398 |
* Wait for all claims to sync. |
|
1399 |
*/ |
|
1400 |
txg_wait_synced(spa->spa_dsl_pool, 0); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1401 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1402 |
/* |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1403 |
* If the config cache is stale, or we have uninitialized |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1404 |
* metaslabs (see spa_vdev_add()), then update the config. |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1405 |
*/ |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1406 |
if (config_cache_txg != spa->spa_config_txg || |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1407 |
state == SPA_LOAD_IMPORT) |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1408 |
need_update = B_TRUE; |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1409 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1410 |
for (c = 0; c < rvd->vdev_children; c++) |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1411 |
if (rvd->vdev_child[c]->vdev_ms_array == 0) |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1412 |
need_update = B_TRUE; |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1413 |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1414 |
/* |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1415 |
* Update the config cache asychronously in case we're the |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1416 |
* root pool, in which case the config cache isn't writable yet. |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1417 |
*/ |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1418 |
if (need_update) |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1419 |
spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
789 | 1420 |
} |
1421 |
||
1544 | 1422 |
error = 0; |
1423 |
out: |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
1424 |
spa->spa_minref = refcount_count(&spa->spa_refcount); |
2082 | 1425 |
if (error && error != EBADF) |
7294 | 1426 |
zfs_ereport_post(ereport, spa, NULL, NULL, 0, 0); |
1544 | 1427 |
spa->spa_load_state = SPA_LOAD_NONE; |
1428 |
spa->spa_ena = 0; |
|
1429 |
||
1430 |
return (error); |
|
789 | 1431 |
} |
1432 |
||
1433 |
/* |
|
1434 |
* Pool Open/Import |
|
1435 |
* |
|
1436 |
* The import case is identical to an open except that the configuration is sent |
|
1437 |
* down from userland, instead of grabbed from the configuration cache. For the |
|
1438 |
* case of an open, the pool configuration will exist in the |
|
4451 | 1439 |
* POOL_STATE_UNINITIALIZED state. |
789 | 1440 |
* |
1441 |
* The stats information (gen/count/ustats) is used to gather vdev statistics at |
|
1442 |
* the same time open the pool, without having to keep around the spa_t in some |
|
1443 |
* ambiguous state. |
|
1444 |
*/ |
|
1445 |
static int |
|
1446 |
spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) |
|
1447 |
{ |
|
1448 |
spa_t *spa; |
|
1449 |
int error; |
|
1450 |
int locked = B_FALSE; |
|
1451 |
||
1452 |
*spapp = NULL; |
|
1453 |
||
1454 |
/* |
|
1455 |
* As disgusting as this is, we need to support recursive calls to this |
|
1456 |
* function because dsl_dir_open() is called during spa_load(), and ends |
|
1457 |
* up calling spa_open() again. The real fix is to figure out how to |
|
1458 |
* avoid dsl_dir_open() calling this in the first place. |
|
1459 |
*/ |
|
1460 |
if (mutex_owner(&spa_namespace_lock) != curthread) { |
|
1461 |
mutex_enter(&spa_namespace_lock); |
|
1462 |
locked = B_TRUE; |
|
1463 |
} |
|
1464 |
||
1465 |
if ((spa = spa_lookup(pool)) == NULL) { |
|
1466 |
if (locked) |
|
1467 |
mutex_exit(&spa_namespace_lock); |
|
1468 |
return (ENOENT); |
|
1469 |
} |
|
1470 |
if (spa->spa_state == POOL_STATE_UNINITIALIZED) { |
|
1471 |
||
1472 |
spa_activate(spa); |
|
1473 |
||
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1474 |
error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
789 | 1475 |
|
1476 |
if (error == EBADF) { |
|
1477 |
/* |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1478 |
* If vdev_validate() returns failure (indicated by |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1479 |
* EBADF), it indicates that one of the vdevs indicates |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1480 |
* that the pool has been exported or destroyed. If |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1481 |
* this is the case, the config cache is out of sync and |
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1482 |
* we should remove the pool from the namespace. |
789 | 1483 |
*/ |
1484 |
spa_unload(spa); |
|
1485 |
spa_deactivate(spa); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1486 |
spa_config_sync(spa, B_TRUE, B_TRUE); |
789 | 1487 |
spa_remove(spa); |
1488 |
if (locked) |
|
1489 |
mutex_exit(&spa_namespace_lock); |
|
1490 |
return (ENOENT); |
|
1544 | 1491 |
} |
1492 |
||
1493 |
if (error) { |
|
789 | 1494 |
/* |
1495 |
* We can't open the pool, but we still have useful |
|
1496 |
* information: the state of each vdev after the |
|
1497 |
* attempted vdev_open(). Return this to the user. |
|
1498 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1499 |
if (config != NULL && spa->spa_root_vdev != NULL) |
789 | 1500 |
*config = spa_config_generate(spa, NULL, -1ULL, |
1501 |
B_TRUE); |
|
1502 |
spa_unload(spa); |
|
1503 |
spa_deactivate(spa); |
|
1544 | 1504 |
spa->spa_last_open_failed = B_TRUE; |
789 | 1505 |
if (locked) |
1506 |
mutex_exit(&spa_namespace_lock); |
|
1507 |
*spapp = NULL; |
|
1508 |
return (error); |
|
1544 | 1509 |
} else { |
1510 |
spa->spa_last_open_failed = B_FALSE; |
|
789 | 1511 |
} |
1512 |
} |
|
1513 |
||
1514 |
spa_open_ref(spa, tag); |
|
4451 | 1515 |
|
789 | 1516 |
if (locked) |
1517 |
mutex_exit(&spa_namespace_lock); |
|
1518 |
||
1519 |
*spapp = spa; |
|
1520 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1521 |
if (config != NULL) |
789 | 1522 |
*config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
1523 |
||
1524 |
return (0); |
|
1525 |
} |
|
1526 |
||
1527 |
int |
|
1528 |
spa_open(const char *name, spa_t **spapp, void *tag) |
|
1529 |
{ |
|
1530 |
return (spa_open_common(name, spapp, tag, NULL)); |
|
1531 |
} |
|
1532 |
||
1544 | 1533 |
/* |
1534 |
* Lookup the given spa_t, incrementing the inject count in the process, |
|
1535 |
* preventing it from being exported or destroyed. |
|
1536 |
*/ |
|
1537 |
spa_t * |
|
1538 |
spa_inject_addref(char *name) |
|
1539 |
{ |
|
1540 |
spa_t *spa; |
|
1541 |
||
1542 |
mutex_enter(&spa_namespace_lock); |
|
1543 |
if ((spa = spa_lookup(name)) == NULL) { |
|
1544 |
mutex_exit(&spa_namespace_lock); |
|
1545 |
return (NULL); |
|
1546 |
} |
|
1547 |
spa->spa_inject_ref++; |
|
1548 |
mutex_exit(&spa_namespace_lock); |
|
1549 |
||
1550 |
return (spa); |
|
1551 |
} |
|
1552 |
||
1553 |
void |
|
1554 |
spa_inject_delref(spa_t *spa) |
|
1555 |
{ |
|
1556 |
mutex_enter(&spa_namespace_lock); |
|
1557 |
spa->spa_inject_ref--; |
|
1558 |
mutex_exit(&spa_namespace_lock); |
|
1559 |
} |
|
1560 |
||
5450 | 1561 |
/* |
1562 |
* Add spares device information to the nvlist. |
|
1563 |
*/ |
|
2082 | 1564 |
static void |
1565 |
spa_add_spares(spa_t *spa, nvlist_t *config) |
|
1566 |
{ |
|
1567 |
nvlist_t **spares; |
|
1568 |
uint_t i, nspares; |
|
1569 |
nvlist_t *nvroot; |
|
1570 |
uint64_t guid; |
|
1571 |
vdev_stat_t *vs; |
|
1572 |
uint_t vsc; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1573 |
uint64_t pool; |
2082 | 1574 |
|
5450 | 1575 |
if (spa->spa_spares.sav_count == 0) |
2082 | 1576 |
return; |
1577 |
||
1578 |
VERIFY(nvlist_lookup_nvlist(config, |
|
1579 |
ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); |
|
5450 | 1580 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
2082 | 1581 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
1582 |
if (nspares != 0) { |
|
1583 |
VERIFY(nvlist_add_nvlist_array(nvroot, |
|
1584 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
1585 |
VERIFY(nvlist_lookup_nvlist_array(nvroot, |
|
1586 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
|
1587 |
||
1588 |
/* |
|
1589 |
* Go through and find any spares which have since been |
|
1590 |
* repurposed as an active spare. If this is the case, update |
|
1591 |
* their status appropriately. |
|
1592 |
*/ |
|
1593 |
for (i = 0; i < nspares; i++) { |
|
1594 |
VERIFY(nvlist_lookup_uint64(spares[i], |
|
1595 |
ZPOOL_CONFIG_GUID, &guid) == 0); |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
1596 |
if (spa_spare_exists(guid, &pool, NULL) && |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
1597 |
pool != 0ULL) { |
2082 | 1598 |
VERIFY(nvlist_lookup_uint64_array( |
1599 |
spares[i], ZPOOL_CONFIG_STATS, |
|
1600 |
(uint64_t **)&vs, &vsc) == 0); |
|
1601 |
vs->vs_state = VDEV_STATE_CANT_OPEN; |
|
1602 |
vs->vs_aux = VDEV_AUX_SPARED; |
|
1603 |
} |
|
1604 |
} |
|
1605 |
} |
|
1606 |
} |
|
1607 |
||
5450 | 1608 |
/* |
1609 |
* Add l2cache device information to the nvlist, including vdev stats. |
|
1610 |
*/ |
|
1611 |
static void |
|
1612 |
spa_add_l2cache(spa_t *spa, nvlist_t *config) |
|
1613 |
{ |
|
1614 |
nvlist_t **l2cache; |
|
1615 |
uint_t i, j, nl2cache; |
|
1616 |
nvlist_t *nvroot; |
|
1617 |
uint64_t guid; |
|
1618 |
vdev_t *vd; |
|
1619 |
vdev_stat_t *vs; |
|
1620 |
uint_t vsc; |
|
1621 |
||
1622 |
if (spa->spa_l2cache.sav_count == 0) |
|
1623 |
return; |
|
1624 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1625 |
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
5450 | 1626 |
|
1627 |
VERIFY(nvlist_lookup_nvlist(config, |
|
1628 |
ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); |
|
1629 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, |
|
1630 |
ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); |
|
1631 |
if (nl2cache != 0) { |
|
1632 |
VERIFY(nvlist_add_nvlist_array(nvroot, |
|
1633 |
ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); |
|
1634 |
VERIFY(nvlist_lookup_nvlist_array(nvroot, |
|
1635 |
ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0); |
|
1636 |
||
1637 |
/* |
|
1638 |
* Update level 2 cache device stats. |
|
1639 |
*/ |
|
1640 |
||
1641 |
for (i = 0; i < nl2cache; i++) { |
|
1642 |
VERIFY(nvlist_lookup_uint64(l2cache[i], |
|
1643 |
ZPOOL_CONFIG_GUID, &guid) == 0); |
|
1644 |
||
1645 |
vd = NULL; |
|
1646 |
for (j = 0; j < spa->spa_l2cache.sav_count; j++) { |
|
1647 |
if (guid == |
|
1648 |
spa->spa_l2cache.sav_vdevs[j]->vdev_guid) { |
|
1649 |
vd = spa->spa_l2cache.sav_vdevs[j]; |
|
1650 |
break; |
|
1651 |
} |
|
1652 |
} |
|
1653 |
ASSERT(vd != NULL); |
|
1654 |
||
1655 |
VERIFY(nvlist_lookup_uint64_array(l2cache[i], |
|
1656 |
ZPOOL_CONFIG_STATS, (uint64_t **)&vs, &vsc) == 0); |
|
1657 |
vdev_get_stats(vd, vs); |
|
1658 |
} |
|
1659 |
} |
|
1660 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1661 |
spa_config_exit(spa, SCL_CONFIG, FTAG); |
5450 | 1662 |
} |
1663 |
||
789 | 1664 |
int |
1544 | 1665 |
spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
789 | 1666 |
{ |
1667 |
int error; |
|
1668 |
spa_t *spa; |
|
1669 |
||
1670 |
*config = NULL; |
|
1671 |
error = spa_open_common(name, &spa, FTAG, config); |
|
1672 |
||
2082 | 1673 |
if (spa && *config != NULL) { |
1544 | 1674 |
VERIFY(nvlist_add_uint64(*config, ZPOOL_CONFIG_ERRCOUNT, |
1675 |
spa_get_errlog_size(spa)) == 0); |
|
1676 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1677 |
if (spa_suspended(spa)) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1678 |
VERIFY(nvlist_add_uint64(*config, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1679 |
ZPOOL_CONFIG_SUSPENDED, spa->spa_failmode) == 0); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1680 |
|
2082 | 1681 |
spa_add_spares(spa, *config); |
5450 | 1682 |
spa_add_l2cache(spa, *config); |
2082 | 1683 |
} |
1684 |
||
1544 | 1685 |
/* |
1686 |
* We want to get the alternate root even for faulted pools, so we cheat |
|
1687 |
* and call spa_lookup() directly. |
|
1688 |
*/ |
|
1689 |
if (altroot) { |
|
1690 |
if (spa == NULL) { |
|
1691 |
mutex_enter(&spa_namespace_lock); |
|
1692 |
spa = spa_lookup(name); |
|
1693 |
if (spa) |
|
1694 |
spa_altroot(spa, altroot, buflen); |
|
1695 |
else |
|
1696 |
altroot[0] = '\0'; |
|
1697 |
spa = NULL; |
|
1698 |
mutex_exit(&spa_namespace_lock); |
|
1699 |
} else { |
|
1700 |
spa_altroot(spa, altroot, buflen); |
|
1701 |
} |
|
1702 |
} |
|
1703 |
||
789 | 1704 |
if (spa != NULL) |
1705 |
spa_close(spa, FTAG); |
|
1706 |
||
1707 |
return (error); |
|
1708 |
} |
|
1709 |
||
1710 |
/* |
|
5450 | 1711 |
* Validate that the auxiliary device array is well formed. We must have an |
1712 |
* array of nvlists, each which describes a valid leaf vdev. If this is an |
|
1713 |
* import (mode is VDEV_ALLOC_SPARE), then we allow corrupted spares to be |
|
1714 |
* specified, as long as they are well-formed. |
|
2082 | 1715 |
*/ |
1716 |
static int |
|
5450 | 1717 |
spa_validate_aux_devs(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode, |
1718 |
spa_aux_vdev_t *sav, const char *config, uint64_t version, |
|
1719 |
vdev_labeltype_t label) |
|
2082 | 1720 |
{ |
5450 | 1721 |
nvlist_t **dev; |
1722 |
uint_t i, ndev; |
|
2082 | 1723 |
vdev_t *vd; |
1724 |
int error; |
|
1725 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1726 |
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1727 |
|
2082 | 1728 |
/* |
5450 | 1729 |
* It's acceptable to have no devs specified. |
2082 | 1730 |
*/ |
5450 | 1731 |
if (nvlist_lookup_nvlist_array(nvroot, config, &dev, &ndev) != 0) |
2082 | 1732 |
return (0); |
1733 |
||
5450 | 1734 |
if (ndev == 0) |
2082 | 1735 |
return (EINVAL); |
1736 |
||
1737 |
/* |
|
5450 | 1738 |
* Make sure the pool is formatted with a version that supports this |
1739 |
* device type. |
|
2082 | 1740 |
*/ |
5450 | 1741 |
if (spa_version(spa) < version) |
2082 | 1742 |
return (ENOTSUP); |
1743 |
||
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1744 |
/* |
5450 | 1745 |
* Set the pending device list so we correctly handle device in-use |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1746 |
* checking. |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1747 |
*/ |
5450 | 1748 |
sav->sav_pending = dev; |
1749 |
sav->sav_npending = ndev; |
|
1750 |
||
1751 |
for (i = 0; i < ndev; i++) { |
|
1752 |
if ((error = spa_config_parse(spa, &vd, dev[i], NULL, 0, |
|
2082 | 1753 |
mode)) != 0) |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1754 |
goto out; |
2082 | 1755 |
|
1756 |
if (!vd->vdev_ops->vdev_op_leaf) { |
|
1757 |
vdev_free(vd); |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1758 |
error = EINVAL; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1759 |
goto out; |
2082 | 1760 |
} |
1761 |
||
5450 | 1762 |
/* |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1763 |
* The L2ARC currently only supports disk devices in |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1764 |
* kernel context. For user-level testing, we allow it. |
5450 | 1765 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1766 |
#ifdef _KERNEL |
5450 | 1767 |
if ((strcmp(config, ZPOOL_CONFIG_L2CACHE) == 0) && |
1768 |
strcmp(vd->vdev_ops->vdev_op_type, VDEV_TYPE_DISK) != 0) { |
|
1769 |
error = ENOTBLK; |
|
1770 |
goto out; |
|
1771 |
} |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1772 |
#endif |
2082 | 1773 |
vd->vdev_top = vd; |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1774 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1775 |
if ((error = vdev_open(vd)) == 0 && |
5450 | 1776 |
(error = vdev_label_init(vd, crtxg, label)) == 0) { |
1777 |
VERIFY(nvlist_add_uint64(dev[i], ZPOOL_CONFIG_GUID, |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1778 |
vd->vdev_guid) == 0); |
2082 | 1779 |
} |
1780 |
||
1781 |
vdev_free(vd); |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1782 |
|
5450 | 1783 |
if (error && |
1784 |
(mode != VDEV_ALLOC_SPARE && mode != VDEV_ALLOC_L2CACHE)) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1785 |
goto out; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1786 |
else |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1787 |
error = 0; |
2082 | 1788 |
} |
1789 |
||
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1790 |
out: |
5450 | 1791 |
sav->sav_pending = NULL; |
1792 |
sav->sav_npending = 0; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1793 |
return (error); |
2082 | 1794 |
} |
1795 |
||
5450 | 1796 |
static int |
1797 |
spa_validate_aux(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) |
|
1798 |
{ |
|
1799 |
int error; |
|
1800 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1801 |
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1802 |
|
5450 | 1803 |
if ((error = spa_validate_aux_devs(spa, nvroot, crtxg, mode, |
1804 |
&spa->spa_spares, ZPOOL_CONFIG_SPARES, SPA_VERSION_SPARES, |
|
1805 |
VDEV_LABEL_SPARE)) != 0) { |
|
1806 |
return (error); |
|
1807 |
} |
|
1808 |
||
1809 |
return (spa_validate_aux_devs(spa, nvroot, crtxg, mode, |
|
1810 |
&spa->spa_l2cache, ZPOOL_CONFIG_L2CACHE, SPA_VERSION_L2CACHE, |
|
1811 |
VDEV_LABEL_L2CACHE)); |
|
1812 |
} |
|
1813 |
||
1814 |
static void |
|
1815 |
spa_set_aux_vdevs(spa_aux_vdev_t *sav, nvlist_t **devs, int ndevs, |
|
1816 |
const char *config) |
|
1817 |
{ |
|
1818 |
int i; |
|
1819 |
||
1820 |
if (sav->sav_config != NULL) { |
|
1821 |
nvlist_t **olddevs; |
|
1822 |
uint_t oldndevs; |
|
1823 |
nvlist_t **newdevs; |
|
1824 |
||
1825 |
/* |
|
1826 |
* Generate new dev list by concatentating with the |
|
1827 |
* current dev list. |
|
1828 |
*/ |
|
1829 |
VERIFY(nvlist_lookup_nvlist_array(sav->sav_config, config, |
|
1830 |
&olddevs, &oldndevs) == 0); |
|
1831 |
||
1832 |
newdevs = kmem_alloc(sizeof (void *) * |
|
1833 |
(ndevs + oldndevs), KM_SLEEP); |
|
1834 |
for (i = 0; i < oldndevs; i++) |
|
1835 |
VERIFY(nvlist_dup(olddevs[i], &newdevs[i], |
|
1836 |
KM_SLEEP) == 0); |
|
1837 |
for (i = 0; i < ndevs; i++) |
|
1838 |
VERIFY(nvlist_dup(devs[i], &newdevs[i + oldndevs], |
|
1839 |
KM_SLEEP) == 0); |
|
1840 |
||
1841 |
VERIFY(nvlist_remove(sav->sav_config, config, |
|
1842 |
DATA_TYPE_NVLIST_ARRAY) == 0); |
|
1843 |
||
1844 |
VERIFY(nvlist_add_nvlist_array(sav->sav_config, |
|
1845 |
config, newdevs, ndevs + oldndevs) == 0); |
|
1846 |
for (i = 0; i < oldndevs + ndevs; i++) |
|
1847 |
nvlist_free(newdevs[i]); |
|
1848 |
kmem_free(newdevs, (oldndevs + ndevs) * sizeof (void *)); |
|
1849 |
} else { |
|
1850 |
/* |
|
1851 |
* Generate a new dev list. |
|
1852 |
*/ |
|
1853 |
VERIFY(nvlist_alloc(&sav->sav_config, NV_UNIQUE_NAME, |
|
1854 |
KM_SLEEP) == 0); |
|
1855 |
VERIFY(nvlist_add_nvlist_array(sav->sav_config, config, |
|
1856 |
devs, ndevs) == 0); |
|
1857 |
} |
|
1858 |
} |
|
1859 |
||
1860 |
/* |
|
1861 |
* Stop and drop level 2 ARC devices |
|
1862 |
*/ |
|
1863 |
void |
|
1864 |
spa_l2cache_drop(spa_t *spa) |
|
1865 |
{ |
|
1866 |
vdev_t *vd; |
|
1867 |
int i; |
|
1868 |
spa_aux_vdev_t *sav = &spa->spa_l2cache; |
|
1869 |
||
1870 |
for (i = 0; i < sav->sav_count; i++) { |
|
1871 |
uint64_t pool; |
|
1872 |
||
1873 |
vd = sav->sav_vdevs[i]; |
|
1874 |
ASSERT(vd != NULL); |
|
1875 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1876 |
if ((spa_mode & FWRITE) && |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1877 |
spa_l2cache_exists(vd->vdev_guid, &pool) && pool != 0ULL && |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1878 |
l2arc_vdev_present(vd)) { |
5450 | 1879 |
l2arc_remove_vdev(vd); |
1880 |
} |
|
1881 |
if (vd->vdev_isl2cache) |
|
1882 |
spa_l2cache_remove(vd); |
|
1883 |
vdev_clear_stats(vd); |
|
1884 |
(void) vdev_close(vd); |
|
1885 |
} |
|
1886 |
} |
|
1887 |
||
2082 | 1888 |
/* |
789 | 1889 |
* Pool Creation |
1890 |
*/ |
|
1891 |
int |
|
5094 | 1892 |
spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
1893 |
const char *history_str, nvlist_t *zplprops) |
789 | 1894 |
{ |
1895 |
spa_t *spa; |
|
5094 | 1896 |
char *altroot = NULL; |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1897 |
vdev_t *rvd; |
789 | 1898 |
dsl_pool_t *dp; |
1899 |
dmu_tx_t *tx; |
|
2082 | 1900 |
int c, error = 0; |
789 | 1901 |
uint64_t txg = TXG_INITIAL; |
5450 | 1902 |
nvlist_t **spares, **l2cache; |
1903 |
uint_t nspares, nl2cache; |
|
5094 | 1904 |
uint64_t version; |
789 | 1905 |
|
1906 |
/* |
|
1907 |
* If this pool already exists, return failure. |
|
1908 |
*/ |
|
1909 |
mutex_enter(&spa_namespace_lock); |
|
1910 |
if (spa_lookup(pool) != NULL) { |
|
1911 |
mutex_exit(&spa_namespace_lock); |
|
1912 |
return (EEXIST); |
|
1913 |
} |
|
1914 |
||
1915 |
/* |
|
1916 |
* Allocate a new spa_t structure. |
|
1917 |
*/ |
|
5094 | 1918 |
(void) nvlist_lookup_string(props, |
1919 |
zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1920 |
spa = spa_add(pool, altroot); |
789 | 1921 |
spa_activate(spa); |
1922 |
||
1923 |
spa->spa_uberblock.ub_txg = txg - 1; |
|
5094 | 1924 |
|
1925 |
if (props && (error = spa_prop_validate(spa, props))) { |
|
1926 |
spa_unload(spa); |
|
1927 |
spa_deactivate(spa); |
|
1928 |
spa_remove(spa); |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
1929 |
mutex_exit(&spa_namespace_lock); |
5094 | 1930 |
return (error); |
1931 |
} |
|
1932 |
||
1933 |
if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), |
|
1934 |
&version) != 0) |
|
1935 |
version = SPA_VERSION; |
|
1936 |
ASSERT(version <= SPA_VERSION); |
|
1937 |
spa->spa_uberblock.ub_version = version; |
|
789 | 1938 |
spa->spa_ubsync = spa->spa_uberblock; |
1939 |
||
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1940 |
/* |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1941 |
* Create the root vdev. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1942 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1943 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1944 |
|
2082 | 1945 |
error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
1946 |
||
1947 |
ASSERT(error != 0 || rvd != NULL); |
|
1948 |
ASSERT(error != 0 || spa->spa_root_vdev == rvd); |
|
1949 |
||
5913
a77f8ad2ce63
6575965 panic/thread=2a1016b5ca0: BAD TRAP: type=9 rp=1858500 addr=0 mmu_fsr=0, really, truly out of space
perrin
parents:
5886
diff
changeset
|
1950 |
if (error == 0 && !zfs_allocatable_devs(nvroot)) |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1951 |
error = EINVAL; |
2082 | 1952 |
|
1953 |
if (error == 0 && |
|
1954 |
(error = vdev_create(rvd, txg, B_FALSE)) == 0 && |
|
5450 | 1955 |
(error = spa_validate_aux(spa, nvroot, txg, |
2082 | 1956 |
VDEV_ALLOC_ADD)) == 0) { |
1957 |
for (c = 0; c < rvd->vdev_children; c++) |
|
1958 |
vdev_init(rvd->vdev_child[c], txg); |
|
1959 |
vdev_config_dirty(rvd); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1960 |
} |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1961 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1962 |
spa_config_exit(spa, SCL_ALL, FTAG); |
789 | 1963 |
|
2082 | 1964 |
if (error != 0) { |
789 | 1965 |
spa_unload(spa); |
1966 |
spa_deactivate(spa); |
|
1967 |
spa_remove(spa); |
|
1968 |
mutex_exit(&spa_namespace_lock); |
|
1969 |
return (error); |
|
1970 |
} |
|
1971 |
||
2082 | 1972 |
/* |
1973 |
* Get the list of spares, if specified. |
|
1974 |
*/ |
|
1975 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
1976 |
&spares, &nspares) == 0) { |
|
5450 | 1977 |
VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, NV_UNIQUE_NAME, |
2082 | 1978 |
KM_SLEEP) == 0); |
5450 | 1979 |
VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
2082 | 1980 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1981 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
2082 | 1982 |
spa_load_spares(spa); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1983 |
spa_config_exit(spa, SCL_ALL, FTAG); |
5450 | 1984 |
spa->spa_spares.sav_sync = B_TRUE; |
1985 |
} |
|
1986 |
||
1987 |
/* |
|
1988 |
* Get the list of level 2 cache devices, if specified. |
|
1989 |
*/ |
|
1990 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, |
|
1991 |
&l2cache, &nl2cache) == 0) { |
|
1992 |
VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, |
|
1993 |
NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
1994 |
VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, |
|
1995 |
ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1996 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
5450 | 1997 |
spa_load_l2cache(spa); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
1998 |
spa_config_exit(spa, SCL_ALL, FTAG); |
5450 | 1999 |
spa->spa_l2cache.sav_sync = B_TRUE; |
2082 | 2000 |
} |
2001 |
||
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
2002 |
spa->spa_dsl_pool = dp = dsl_pool_create(spa, zplprops, txg); |
789 | 2003 |
spa->spa_meta_objset = dp->dp_meta_objset; |
2004 |
||
2005 |
tx = dmu_tx_create_assigned(dp, txg); |
|
2006 |
||
2007 |
/* |
|
2008 |
* Create the pool config object. |
|
2009 |
*/ |
|
2010 |
spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, |
|
7497
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
2011 |
DMU_OT_PACKED_NVLIST, SPA_CONFIG_BLOCKSIZE, |
789 | 2012 |
DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
2013 |
||
1544 | 2014 |
if (zap_add(spa->spa_meta_objset, |
789 | 2015 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
1544 | 2016 |
sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) { |
2017 |
cmn_err(CE_PANIC, "failed to add pool config"); |
|
2018 |
} |
|
789 | 2019 |
|
5094 | 2020 |
/* Newly created pools with the right version are always deflated. */ |
2021 |
if (version >= SPA_VERSION_RAIDZ_DEFLATE) { |
|
2022 |
spa->spa_deflate = TRUE; |
|
2023 |
if (zap_add(spa->spa_meta_objset, |
|
2024 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, |
|
2025 |
sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) { |
|
2026 |
cmn_err(CE_PANIC, "failed to add deflate"); |
|
2027 |
} |
|
2082 | 2028 |
} |
2029 |
||
789 | 2030 |
/* |
2031 |
* Create the deferred-free bplist object. Turn off compression |
|
2032 |
* because sync-to-convergence takes longer if the blocksize |
|
2033 |
* keeps changing. |
|
2034 |
*/ |
|
2035 |
spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, |
|
2036 |
1 << 14, tx); |
|
2037 |
dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, |
|
2038 |
ZIO_COMPRESS_OFF, tx); |
|
2039 |
||
1544 | 2040 |
if (zap_add(spa->spa_meta_objset, |
789 | 2041 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
1544 | 2042 |
sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) { |
2043 |
cmn_err(CE_PANIC, "failed to add bplist"); |
|
2044 |
} |
|
789 | 2045 |
|
2926 | 2046 |
/* |
2047 |
* Create the pool's history object. |
|
2048 |
*/ |
|
5094 | 2049 |
if (version >= SPA_VERSION_ZPOOL_HISTORY) |
2050 |
spa_history_create_obj(spa, tx); |
|
2051 |
||
2052 |
/* |
|
2053 |
* Set pool properties. |
|
2054 |
*/ |
|
2055 |
spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); |
|
2056 |
spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
|
5329 | 2057 |
spa->spa_failmode = zpool_prop_default_numeric(ZPOOL_PROP_FAILUREMODE); |
5094 | 2058 |
if (props) |
2059 |
spa_sync_props(spa, props, CRED(), tx); |
|
2926 | 2060 |
|
789 | 2061 |
dmu_tx_commit(tx); |
2062 |
||
2063 |
spa->spa_sync_on = B_TRUE; |
|
2064 |
txg_sync_start(spa->spa_dsl_pool); |
|
2065 |
||
2066 |
/* |
|
2067 |
* We explicitly wait for the first transaction to complete so that our |
|
2068 |
* bean counters are appropriately updated. |
|
2069 |
*/ |
|
2070 |
txg_wait_synced(spa->spa_dsl_pool, txg); |
|
2071 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2072 |
spa_config_sync(spa, B_FALSE, B_TRUE); |
789 | 2073 |
|
5094 | 2074 |
if (version >= SPA_VERSION_ZPOOL_HISTORY && history_str != NULL) |
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4627
diff
changeset
|
2075 |
(void) spa_history_log(spa, history_str, LOG_CMD_POOL_CREATE); |
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4627
diff
changeset
|
2076 |
|
789 | 2077 |
mutex_exit(&spa_namespace_lock); |
2078 |
||
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2079 |
spa->spa_minref = refcount_count(&spa->spa_refcount); |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2080 |
|
789 | 2081 |
return (0); |
2082 |
} |
|
2083 |
||
2084 |
/* |
|
2085 |
* Import the given pool into the system. We set up the necessary spa_t and |
|
2086 |
* then call spa_load() to do the dirty work. |
|
2087 |
*/ |
|
6423 | 2088 |
static int |
2089 |
spa_import_common(const char *pool, nvlist_t *config, nvlist_t *props, |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2090 |
boolean_t isroot, boolean_t allowfaulted) |
789 | 2091 |
{ |
2092 |
spa_t *spa; |
|
5094 | 2093 |
char *altroot = NULL; |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2094 |
int error, loaderr; |
2082 | 2095 |
nvlist_t *nvroot; |
5450 | 2096 |
nvlist_t **spares, **l2cache; |
2097 |
uint_t nspares, nl2cache; |
|
789 | 2098 |
|
2099 |
/* |
|
2100 |
* If a pool with this name exists, return failure. |
|
2101 |
*/ |
|
2102 |
mutex_enter(&spa_namespace_lock); |
|
7897
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2103 |
if ((spa = spa_lookup(pool)) != NULL) { |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2104 |
if (isroot) { |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2105 |
/* |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2106 |
* Remove the existing root pool from the |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2107 |
* namespace so that we can replace it with |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2108 |
* the correct config we just read in. |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2109 |
*/ |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2110 |
ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2111 |
spa_remove(spa); |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2112 |
} else { |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2113 |
mutex_exit(&spa_namespace_lock); |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2114 |
return (EEXIST); |
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2115 |
} |
789 | 2116 |
} |
2117 |
||
2118 |
/* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2119 |
* Create and initialize the spa structure. |
789 | 2120 |
*/ |
5094 | 2121 |
(void) nvlist_lookup_string(props, |
2122 |
zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2123 |
spa = spa_add(pool, altroot); |
789 | 2124 |
spa_activate(spa); |
2125 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2126 |
if (allowfaulted) |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2127 |
spa->spa_import_faulted = B_TRUE; |
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2128 |
spa->spa_is_root = isroot; |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2129 |
|
789 | 2130 |
/* |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2131 |
* Pass off the heavy lifting to spa_load(). |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2132 |
* Pass TRUE for mosconfig (unless this is a root pool) because |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2133 |
* the user-supplied config is actually the one to trust when |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2134 |
* doing an import. |
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2135 |
*/ |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2136 |
loaderr = error = spa_load(spa, config, SPA_LOAD_IMPORT, !isroot); |
789 | 2137 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2138 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
2082 | 2139 |
/* |
2140 |
* Toss any existing sparelist, as it doesn't have any validity anymore, |
|
2141 |
* and conflicts with spa_has_spare(). |
|
2142 |
*/ |
|
6423 | 2143 |
if (!isroot && spa->spa_spares.sav_config) { |
5450 | 2144 |
nvlist_free(spa->spa_spares.sav_config); |
2145 |
spa->spa_spares.sav_config = NULL; |
|
2082 | 2146 |
spa_load_spares(spa); |
2147 |
} |
|
6423 | 2148 |
if (!isroot && spa->spa_l2cache.sav_config) { |
5450 | 2149 |
nvlist_free(spa->spa_l2cache.sav_config); |
2150 |
spa->spa_l2cache.sav_config = NULL; |
|
2151 |
spa_load_l2cache(spa); |
|
2152 |
} |
|
2082 | 2153 |
|
2154 |
VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
2155 |
&nvroot) == 0); |
|
5450 | 2156 |
if (error == 0) |
2157 |
error = spa_validate_aux(spa, nvroot, -1ULL, VDEV_ALLOC_SPARE); |
|
2158 |
if (error == 0) |
|
2159 |
error = spa_validate_aux(spa, nvroot, -1ULL, |
|
2160 |
VDEV_ALLOC_L2CACHE); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2161 |
spa_config_exit(spa, SCL_ALL, FTAG); |
2082 | 2162 |
|
5094 | 2163 |
if (error != 0 || (props && (error = spa_prop_set(spa, props)))) { |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2164 |
if (loaderr != 0 && loaderr != EINVAL && allowfaulted) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2165 |
/* |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2166 |
* If we failed to load the pool, but 'allowfaulted' is |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2167 |
* set, then manually set the config as if the config |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2168 |
* passed in was specified in the cache file. |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2169 |
*/ |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2170 |
error = 0; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2171 |
spa->spa_import_faulted = B_FALSE; |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2172 |
if (spa->spa_config == NULL) |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2173 |
spa->spa_config = spa_config_generate(spa, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2174 |
NULL, -1ULL, B_TRUE); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2175 |
spa_unload(spa); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2176 |
spa_deactivate(spa); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2177 |
spa_config_sync(spa, B_FALSE, B_TRUE); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2178 |
} else { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2179 |
spa_unload(spa); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2180 |
spa_deactivate(spa); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2181 |
spa_remove(spa); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2182 |
} |
789 | 2183 |
mutex_exit(&spa_namespace_lock); |
2184 |
return (error); |
|
2185 |
} |
|
2186 |
||
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2187 |
/* |
5450 | 2188 |
* Override any spares and level 2 cache devices as specified by |
2189 |
* the user, as these may have correct device names/devids, etc. |
|
2082 | 2190 |
*/ |
2191 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
2192 |
&spares, &nspares) == 0) { |
|
5450 | 2193 |
if (spa->spa_spares.sav_config) |
2194 |
VERIFY(nvlist_remove(spa->spa_spares.sav_config, |
|
2082 | 2195 |
ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
2196 |
else |
|
5450 | 2197 |
VERIFY(nvlist_alloc(&spa->spa_spares.sav_config, |
2082 | 2198 |
NV_UNIQUE_NAME, KM_SLEEP) == 0); |
5450 | 2199 |
VERIFY(nvlist_add_nvlist_array(spa->spa_spares.sav_config, |
2082 | 2200 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2201 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
2082 | 2202 |
spa_load_spares(spa); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2203 |
spa_config_exit(spa, SCL_ALL, FTAG); |
5450 | 2204 |
spa->spa_spares.sav_sync = B_TRUE; |
2205 |
} |
|
2206 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, |
|
2207 |
&l2cache, &nl2cache) == 0) { |
|
2208 |
if (spa->spa_l2cache.sav_config) |
|
2209 |
VERIFY(nvlist_remove(spa->spa_l2cache.sav_config, |
|
2210 |
ZPOOL_CONFIG_L2CACHE, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
2211 |
else |
|
2212 |
VERIFY(nvlist_alloc(&spa->spa_l2cache.sav_config, |
|
2213 |
NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
2214 |
VERIFY(nvlist_add_nvlist_array(spa->spa_l2cache.sav_config, |
|
2215 |
ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache) == 0); |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2216 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
5450 | 2217 |
spa_load_l2cache(spa); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2218 |
spa_config_exit(spa, SCL_ALL, FTAG); |
5450 | 2219 |
spa->spa_l2cache.sav_sync = B_TRUE; |
2082 | 2220 |
} |
2221 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2222 |
if (spa_mode & FWRITE) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2223 |
/* |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2224 |
* Update the config cache to include the newly-imported pool. |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2225 |
*/ |
6423 | 2226 |
spa_config_update_common(spa, SPA_CONFIG_UPDATE_POOL, isroot); |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2227 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2228 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2229 |
spa->spa_import_faulted = B_FALSE; |
4451 | 2230 |
mutex_exit(&spa_namespace_lock); |
2231 |
||
789 | 2232 |
return (0); |
2233 |
} |
|
2234 |
||
6423 | 2235 |
#ifdef _KERNEL |
2236 |
/* |
|
2237 |
* Build a "root" vdev for a top level vdev read in from a rootpool |
|
2238 |
* device label. |
|
2239 |
*/ |
|
2240 |
static void |
|
2241 |
spa_build_rootpool_config(nvlist_t *config) |
|
2242 |
{ |
|
2243 |
nvlist_t *nvtop, *nvroot; |
|
2244 |
uint64_t pgid; |
|
2245 |
||
2246 |
/* |
|
2247 |
* Add this top-level vdev to the child array. |
|
2248 |
*/ |
|
2249 |
VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvtop) |
|
2250 |
== 0); |
|
2251 |
VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pgid) |
|
2252 |
== 0); |
|
2253 |
||
2254 |
/* |
|
2255 |
* Put this pool's top-level vdevs into a root vdev. |
|
2256 |
*/ |
|
2257 |
VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
2258 |
VERIFY(nvlist_add_string(nvroot, ZPOOL_CONFIG_TYPE, VDEV_TYPE_ROOT) |
|
2259 |
== 0); |
|
2260 |
VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_ID, 0ULL) == 0); |
|
2261 |
VERIFY(nvlist_add_uint64(nvroot, ZPOOL_CONFIG_GUID, pgid) == 0); |
|
2262 |
VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_CHILDREN, |
|
2263 |
&nvtop, 1) == 0); |
|
2264 |
||
2265 |
/* |
|
2266 |
* Replace the existing vdev_tree with the new root vdev in |
|
2267 |
* this pool's configuration (remove the old, add the new). |
|
2268 |
*/ |
|
2269 |
VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0); |
|
2270 |
nvlist_free(nvroot); |
|
2271 |
} |
|
2272 |
||
2273 |
/* |
|
2274 |
* Get the root pool information from the root disk, then import the root pool |
|
2275 |
* during the system boot up time. |
|
2276 |
*/ |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2277 |
extern int vdev_disk_read_rootlabel(char *, char *, nvlist_t **); |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2278 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2279 |
int |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2280 |
spa_check_rootconf(char *devpath, char *devid, nvlist_t **bestconf, |
6423 | 2281 |
uint64_t *besttxg) |
2282 |
{ |
|
2283 |
nvlist_t *config; |
|
2284 |
uint64_t txg; |
|
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2285 |
int error; |
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2286 |
|
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2287 |
if (error = vdev_disk_read_rootlabel(devpath, devid, &config)) |
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2288 |
return (error); |
6423 | 2289 |
|
2290 |
VERIFY(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) == 0); |
|
2291 |
||
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2292 |
if (bestconf != NULL) |
6423 | 2293 |
*bestconf = config; |
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2294 |
else |
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2295 |
nvlist_free(config); |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2296 |
*besttxg = txg; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2297 |
return (0); |
6423 | 2298 |
} |
2299 |
||
2300 |
boolean_t |
|
2301 |
spa_rootdev_validate(nvlist_t *nv) |
|
2302 |
{ |
|
2303 |
uint64_t ival; |
|
2304 |
||
2305 |
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_OFFLINE, &ival) == 0 || |
|
2306 |
nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED, &ival) == 0 || |
|
2307 |
nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVED, &ival) == 0) |
|
2308 |
return (B_FALSE); |
|
2309 |
||
2310 |
return (B_TRUE); |
|
2311 |
} |
|
2312 |
||
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2313 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2314 |
/* |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2315 |
* Given the boot device's physical path or devid, check if the device |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2316 |
* is in a valid state. If so, return the configuration from the vdev |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2317 |
* label. |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2318 |
*/ |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2319 |
int |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2320 |
spa_get_rootconf(char *devpath, char *devid, nvlist_t **bestconf) |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2321 |
{ |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2322 |
nvlist_t *conf = NULL; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2323 |
uint64_t txg = 0; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2324 |
nvlist_t *nvtop, **child; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2325 |
char *type; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2326 |
char *bootpath = NULL; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2327 |
uint_t children, c; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2328 |
char *tmp; |
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2329 |
int error; |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2330 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2331 |
if (devpath && ((tmp = strchr(devpath, ' ')) != NULL)) |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2332 |
*tmp = '\0'; |
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2333 |
if (error = spa_check_rootconf(devpath, devid, &conf, &txg)) { |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2334 |
cmn_err(CE_NOTE, "error reading device label"); |
7539
e3f4b4b9f982
6724326 better "can't mountroot" message
Lin Ling <Lin.Ling@Sun.COM>
parents:
7538
diff
changeset
|
2335 |
return (error); |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2336 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2337 |
if (txg == 0) { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2338 |
cmn_err(CE_NOTE, "this device is detached"); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2339 |
nvlist_free(conf); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2340 |
return (EINVAL); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2341 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2342 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2343 |
VERIFY(nvlist_lookup_nvlist(conf, ZPOOL_CONFIG_VDEV_TREE, |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2344 |
&nvtop) == 0); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2345 |
VERIFY(nvlist_lookup_string(nvtop, ZPOOL_CONFIG_TYPE, &type) == 0); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2346 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2347 |
if (strcmp(type, VDEV_TYPE_DISK) == 0) { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2348 |
if (spa_rootdev_validate(nvtop)) { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2349 |
goto out; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2350 |
} else { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2351 |
nvlist_free(conf); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2352 |
return (EINVAL); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2353 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2354 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2355 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2356 |
ASSERT(strcmp(type, VDEV_TYPE_MIRROR) == 0); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2357 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2358 |
VERIFY(nvlist_lookup_nvlist_array(nvtop, ZPOOL_CONFIG_CHILDREN, |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2359 |
&child, &children) == 0); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2360 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2361 |
/* |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2362 |
* Go thru vdevs in the mirror to see if the given device |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2363 |
* has the most recent txg. Only the device with the most |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2364 |
* recent txg has valid information and should be booted. |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2365 |
*/ |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2366 |
for (c = 0; c < children; c++) { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2367 |
char *cdevid, *cpath; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2368 |
uint64_t tmptxg; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2369 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2370 |
if (nvlist_lookup_string(child[c], ZPOOL_CONFIG_PHYS_PATH, |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2371 |
&cpath) != 0) |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2372 |
return (EINVAL); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2373 |
if (nvlist_lookup_string(child[c], ZPOOL_CONFIG_DEVID, |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2374 |
&cdevid) != 0) |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2375 |
return (EINVAL); |
7687
1132fbaf0c27
6750475 can't boot off a mirrored root with a failed disk
Lin Ling <Lin.Ling@Sun.COM>
parents:
7539
diff
changeset
|
2376 |
if ((spa_check_rootconf(cpath, cdevid, NULL, |
1132fbaf0c27
6750475 can't boot off a mirrored root with a failed disk
Lin Ling <Lin.Ling@Sun.COM>
parents:
7539
diff
changeset
|
2377 |
&tmptxg) == 0) && (tmptxg > txg)) { |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2378 |
txg = tmptxg; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2379 |
VERIFY(nvlist_lookup_string(child[c], |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2380 |
ZPOOL_CONFIG_PATH, &bootpath) == 0); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2381 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2382 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2383 |
|
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2384 |
/* Does the best device match the one we've booted from? */ |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2385 |
if (bootpath) { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2386 |
cmn_err(CE_NOTE, "try booting from '%s'", bootpath); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2387 |
return (EINVAL); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2388 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2389 |
out: |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2390 |
*bestconf = conf; |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2391 |
return (0); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2392 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2393 |
|
6423 | 2394 |
/* |
2395 |
* Import a root pool. |
|
2396 |
* |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2397 |
* For x86. devpath_list will consist of devid and/or physpath name of |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2398 |
* the vdev (e.g. "id1,sd@SSEAGATE..." or "/pci@1f,0/ide@d/disk@0,0:a"). |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2399 |
* The GRUB "findroot" command will return the vdev we should boot. |
6423 | 2400 |
* |
2401 |
* For Sparc, devpath_list consists the physpath name of the booting device |
|
2402 |
* no matter the rootpool is a single device pool or a mirrored pool. |
|
2403 |
* e.g. |
|
2404 |
* "/pci@1f,0/ide@d/disk@0,0:a" |
|
2405 |
*/ |
|
2406 |
int |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2407 |
spa_import_rootpool(char *devpath, char *devid) |
6423 | 2408 |
{ |
2409 |
nvlist_t *conf = NULL; |
|
2410 |
char *pname; |
|
2411 |
int error; |
|
2412 |
||
2413 |
/* |
|
2414 |
* Get the vdev pathname and configuation from the most |
|
2415 |
* recently updated vdev (highest txg). |
|
2416 |
*/ |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2417 |
if (error = spa_get_rootconf(devpath, devid, &conf)) |
6423 | 2418 |
goto msg_out; |
2419 |
||
2420 |
/* |
|
2421 |
* Add type "root" vdev to the config. |
|
2422 |
*/ |
|
2423 |
spa_build_rootpool_config(conf); |
|
2424 |
||
2425 |
VERIFY(nvlist_lookup_string(conf, ZPOOL_CONFIG_POOL_NAME, &pname) == 0); |
|
2426 |
||
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2427 |
/* |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2428 |
* We specify 'allowfaulted' for this to be treated like spa_open() |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2429 |
* instead of spa_import(). This prevents us from marking vdevs as |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2430 |
* persistently unavailable, and generates FMA ereports as if it were a |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2431 |
* pool open, not import. |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2432 |
*/ |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
2433 |
error = spa_import_common(pname, conf, NULL, B_TRUE, B_TRUE); |
7897
e520d8258820
6748436 inconsistent zpool.cache in boot_archive could panic a zfs root filesystem upon boot-up
Lin Ling <Lin.Ling@Sun.COM>
parents:
7837
diff
changeset
|
2434 |
ASSERT(error != EEXIST); |
6423 | 2435 |
|
2436 |
nvlist_free(conf); |
|
2437 |
return (error); |
|
2438 |
||
2439 |
msg_out: |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2440 |
cmn_err(CE_NOTE, "\n" |
6423 | 2441 |
" *************************************************** \n" |
2442 |
" * This device is not bootable! * \n" |
|
2443 |
" * It is either offlined or detached or faulted. * \n" |
|
2444 |
" * Please try to boot from a different device. * \n" |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
2445 |
" *************************************************** "); |
6423 | 2446 |
|
2447 |
return (error); |
|
2448 |
} |
|
2449 |
#endif |
|
2450 |
||
2451 |
/* |
|
2452 |
* Import a non-root pool into the system. |
|
2453 |
*/ |
|
2454 |
int |
|
2455 |
spa_import(const char *pool, nvlist_t *config, nvlist_t *props) |
|
2456 |
{ |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2457 |
return (spa_import_common(pool, config, props, B_FALSE, B_FALSE)); |
6423 | 2458 |
} |
2459 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2460 |
int |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2461 |
spa_import_faulted(const char *pool, nvlist_t *config, nvlist_t *props) |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2462 |
{ |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2463 |
return (spa_import_common(pool, config, props, B_FALSE, B_TRUE)); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2464 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2465 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2466 |
|
789 | 2467 |
/* |
2468 |
* This (illegal) pool name is used when temporarily importing a spa_t in order |
|
2469 |
* to get the vdev stats associated with the imported devices. |
|
2470 |
*/ |
|
2471 |
#define TRYIMPORT_NAME "$import" |
|
2472 |
||
2473 |
nvlist_t * |
|
2474 |
spa_tryimport(nvlist_t *tryconfig) |
|
2475 |
{ |
|
2476 |
nvlist_t *config = NULL; |
|
2477 |
char *poolname; |
|
2478 |
spa_t *spa; |
|
2479 |
uint64_t state; |
|
2480 |
||
2481 |
if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) |
|
2482 |
return (NULL); |
|
2483 |
||
2484 |
if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) |
|
2485 |
return (NULL); |
|
2486 |
||
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2487 |
/* |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2488 |
* Create and initialize the spa structure. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2489 |
*/ |
789 | 2490 |
mutex_enter(&spa_namespace_lock); |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2491 |
spa = spa_add(TRYIMPORT_NAME, NULL); |
789 | 2492 |
spa_activate(spa); |
2493 |
||
2494 |
/* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2495 |
* Pass off the heavy lifting to spa_load(). |
1732 | 2496 |
* Pass TRUE for mosconfig because the user-supplied config |
2497 |
* is actually the one to trust when doing an import. |
|
789 | 2498 |
*/ |
1732 | 2499 |
(void) spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
789 | 2500 |
|
2501 |
/* |
|
2502 |
* If 'tryconfig' was at least parsable, return the current config. |
|
2503 |
*/ |
|
2504 |
if (spa->spa_root_vdev != NULL) { |
|
2505 |
config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
|
2506 |
VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, |
|
2507 |
poolname) == 0); |
|
2508 |
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, |
|
2509 |
state) == 0); |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2510 |
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
2511 |
spa->spa_uberblock.ub_timestamp) == 0); |
2082 | 2512 |
|
2513 |
/* |
|
6423 | 2514 |
* If the bootfs property exists on this pool then we |
2515 |
* copy it out so that external consumers can tell which |
|
2516 |
* pools are bootable. |
|
2517 |
*/ |
|
2518 |
if (spa->spa_bootfs) { |
|
2519 |
char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
|
2520 |
||
2521 |
/* |
|
2522 |
* We have to play games with the name since the |
|
2523 |
* pool was opened as TRYIMPORT_NAME. |
|
2524 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2525 |
if (dsl_dsobj_to_dsname(spa_name(spa), |
6423 | 2526 |
spa->spa_bootfs, tmpname) == 0) { |
2527 |
char *cp; |
|
2528 |
char *dsname = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
|
2529 |
||
2530 |
cp = strchr(tmpname, '/'); |
|
2531 |
if (cp == NULL) { |
|
2532 |
(void) strlcpy(dsname, tmpname, |
|
2533 |
MAXPATHLEN); |
|
2534 |
} else { |
|
2535 |
(void) snprintf(dsname, MAXPATHLEN, |
|
2536 |
"%s/%s", poolname, ++cp); |
|
2537 |
} |
|
2538 |
VERIFY(nvlist_add_string(config, |
|
2539 |
ZPOOL_CONFIG_BOOTFS, dsname) == 0); |
|
2540 |
kmem_free(dsname, MAXPATHLEN); |
|
2541 |
} |
|
2542 |
kmem_free(tmpname, MAXPATHLEN); |
|
2543 |
} |
|
2544 |
||
2545 |
/* |
|
5450 | 2546 |
* Add the list of hot spares and level 2 cache devices. |
2082 | 2547 |
*/ |
2548 |
spa_add_spares(spa, config); |
|
5450 | 2549 |
spa_add_l2cache(spa, config); |
789 | 2550 |
} |
2551 |
||
2552 |
spa_unload(spa); |
|
2553 |
spa_deactivate(spa); |
|
2554 |
spa_remove(spa); |
|
2555 |
mutex_exit(&spa_namespace_lock); |
|
2556 |
||
2557 |
return (config); |
|
2558 |
} |
|
2559 |
||
2560 |
/* |
|
2561 |
* Pool export/destroy |
|
2562 |
* |
|
2563 |
* The act of destroying or exporting a pool is very simple. We make sure there |
|
2564 |
* is no more pending I/O and any references to the pool are gone. Then, we |
|
2565 |
* update the pool state and sync all the labels to disk, removing the |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2566 |
* configuration from the cache afterwards. If the 'hardforce' flag is set, then |
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2567 |
* we don't sync the labels or remove the configuration cache. |
789 | 2568 |
*/ |
2569 |
static int |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2570 |
spa_export_common(char *pool, int new_state, nvlist_t **oldconfig, |
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2571 |
boolean_t force, boolean_t hardforce) |
789 | 2572 |
{ |
2573 |
spa_t *spa; |
|
2574 |
||
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2575 |
if (oldconfig) |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2576 |
*oldconfig = NULL; |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2577 |
|
789 | 2578 |
if (!(spa_mode & FWRITE)) |
2579 |
return (EROFS); |
|
2580 |
||
2581 |
mutex_enter(&spa_namespace_lock); |
|
2582 |
if ((spa = spa_lookup(pool)) == NULL) { |
|
2583 |
mutex_exit(&spa_namespace_lock); |
|
2584 |
return (ENOENT); |
|
2585 |
} |
|
2586 |
||
2587 |
/* |
|
1544 | 2588 |
* Put a hold on the pool, drop the namespace lock, stop async tasks, |
2589 |
* reacquire the namespace lock, and see if we can export. |
|
2590 |
*/ |
|
2591 |
spa_open_ref(spa, FTAG); |
|
2592 |
mutex_exit(&spa_namespace_lock); |
|
2593 |
spa_async_suspend(spa); |
|
2594 |
mutex_enter(&spa_namespace_lock); |
|
2595 |
spa_close(spa, FTAG); |
|
2596 |
||
2597 |
/* |
|
789 | 2598 |
* The pool will be in core if it's openable, |
2599 |
* in which case we can modify its state. |
|
2600 |
*/ |
|
2601 |
if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) { |
|
2602 |
/* |
|
2603 |
* Objsets may be open only because they're dirty, so we |
|
2604 |
* have to force it to sync before checking spa_refcnt. |
|
2605 |
*/ |
|
2606 |
txg_wait_synced(spa->spa_dsl_pool, 0); |
|
2607 |
||
1544 | 2608 |
/* |
2609 |
* A pool cannot be exported or destroyed if there are active |
|
2610 |
* references. If we are resetting a pool, allow references by |
|
2611 |
* fault injection handlers. |
|
2612 |
*/ |
|
2613 |
if (!spa_refcount_zero(spa) || |
|
2614 |
(spa->spa_inject_ref != 0 && |
|
2615 |
new_state != POOL_STATE_UNINITIALIZED)) { |
|
2616 |
spa_async_resume(spa); |
|
789 | 2617 |
mutex_exit(&spa_namespace_lock); |
2618 |
return (EBUSY); |
|
2619 |
} |
|
2620 |
||
2621 |
/* |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2622 |
* A pool cannot be exported if it has an active shared spare. |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2623 |
* This is to prevent other pools stealing the active spare |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2624 |
* from an exported pool. At user's own will, such pool can |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2625 |
* be forcedly exported. |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2626 |
*/ |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2627 |
if (!force && new_state == POOL_STATE_EXPORTED && |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2628 |
spa_has_active_shared_spare(spa)) { |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2629 |
spa_async_resume(spa); |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2630 |
mutex_exit(&spa_namespace_lock); |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2631 |
return (EXDEV); |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2632 |
} |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2633 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2634 |
/* |
789 | 2635 |
* We want this to be reflected on every label, |
2636 |
* so mark them all dirty. spa_unload() will do the |
|
2637 |
* final sync that pushes these changes out. |
|
2638 |
*/ |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2639 |
if (new_state != POOL_STATE_UNINITIALIZED && !hardforce) { |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2640 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
1544 | 2641 |
spa->spa_state = new_state; |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2642 |
spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
1544 | 2643 |
vdev_config_dirty(spa->spa_root_vdev); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2644 |
spa_config_exit(spa, SCL_ALL, FTAG); |
1544 | 2645 |
} |
789 | 2646 |
} |
2647 |
||
4451 | 2648 |
spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
2649 |
||
789 | 2650 |
if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
2651 |
spa_unload(spa); |
|
2652 |
spa_deactivate(spa); |
|
2653 |
} |
|
2654 |
||
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2655 |
if (oldconfig && spa->spa_config) |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2656 |
VERIFY(nvlist_dup(spa->spa_config, oldconfig, 0) == 0); |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2657 |
|
1544 | 2658 |
if (new_state != POOL_STATE_UNINITIALIZED) { |
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2659 |
if (!hardforce) |
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2660 |
spa_config_sync(spa, B_TRUE, B_TRUE); |
1544 | 2661 |
spa_remove(spa); |
2662 |
} |
|
789 | 2663 |
mutex_exit(&spa_namespace_lock); |
2664 |
||
2665 |
return (0); |
|
2666 |
} |
|
2667 |
||
2668 |
/* |
|
2669 |
* Destroy a storage pool. |
|
2670 |
*/ |
|
2671 |
int |
|
2672 |
spa_destroy(char *pool) |
|
2673 |
{ |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2674 |
return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL, |
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2675 |
B_FALSE, B_FALSE)); |
789 | 2676 |
} |
2677 |
||
2678 |
/* |
|
2679 |
* Export a storage pool. |
|
2680 |
*/ |
|
2681 |
int |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2682 |
spa_export(char *pool, nvlist_t **oldconfig, boolean_t force, |
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2683 |
boolean_t hardforce) |
789 | 2684 |
{ |
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2685 |
return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig, |
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2686 |
force, hardforce)); |
789 | 2687 |
} |
2688 |
||
2689 |
/* |
|
1544 | 2690 |
* Similar to spa_export(), this unloads the spa_t without actually removing it |
2691 |
* from the namespace in any way. |
|
2692 |
*/ |
|
2693 |
int |
|
2694 |
spa_reset(char *pool) |
|
2695 |
{ |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
2696 |
return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL, |
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
7897
diff
changeset
|
2697 |
B_FALSE, B_FALSE)); |
1544 | 2698 |
} |
2699 |
||
2700 |
/* |
|
789 | 2701 |
* ========================================================================== |
2702 |
* Device manipulation |
|
2703 |
* ========================================================================== |
|
2704 |
*/ |
|
2705 |
||
2706 |
/* |
|
4527 | 2707 |
* Add a device to a storage pool. |
789 | 2708 |
*/ |
2709 |
int |
|
2710 |
spa_vdev_add(spa_t *spa, nvlist_t *nvroot) |
|
2711 |
{ |
|
2712 |
uint64_t txg; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2713 |
int c, error; |
789 | 2714 |
vdev_t *rvd = spa->spa_root_vdev; |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2715 |
vdev_t *vd, *tvd; |
5450 | 2716 |
nvlist_t **spares, **l2cache; |
2717 |
uint_t nspares, nl2cache; |
|
789 | 2718 |
|
2719 |
txg = spa_vdev_enter(spa); |
|
2720 |
||
2082 | 2721 |
if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
2722 |
VDEV_ALLOC_ADD)) != 0) |
|
2723 |
return (spa_vdev_exit(spa, NULL, txg, error)); |
|
2724 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2725 |
spa->spa_pending_vdev = vd; /* spa_vdev_exit() will clear this */ |
789 | 2726 |
|
5450 | 2727 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, &spares, |
2728 |
&nspares) != 0) |
|
2082 | 2729 |
nspares = 0; |
2730 |
||
5450 | 2731 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, &l2cache, |
2732 |
&nl2cache) != 0) |
|
2733 |
nl2cache = 0; |
|
2734 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2735 |
if (vd->vdev_children == 0 && nspares == 0 && nl2cache == 0) |
2082 | 2736 |
return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2737 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2738 |
if (vd->vdev_children != 0 && |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2739 |
(error = vdev_create(vd, txg, B_FALSE)) != 0) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2740 |
return (spa_vdev_exit(spa, vd, txg, error)); |
2082 | 2741 |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2742 |
/* |
5450 | 2743 |
* We must validate the spares and l2cache devices after checking the |
2744 |
* children. Otherwise, vdev_inuse() will blindly overwrite the spare. |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2745 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2746 |
if ((error = spa_validate_aux(spa, nvroot, txg, VDEV_ALLOC_ADD)) != 0) |
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2747 |
return (spa_vdev_exit(spa, vd, txg, error)); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2748 |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2749 |
/* |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2750 |
* Transfer each new top-level vdev from vd to rvd. |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2751 |
*/ |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2752 |
for (c = 0; c < vd->vdev_children; c++) { |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2753 |
tvd = vd->vdev_child[c]; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2754 |
vdev_remove_child(vd, tvd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2755 |
tvd->vdev_id = rvd->vdev_children; |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2756 |
vdev_add_child(rvd, tvd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2757 |
vdev_config_dirty(tvd); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2758 |
} |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2759 |
|
2082 | 2760 |
if (nspares != 0) { |
5450 | 2761 |
spa_set_aux_vdevs(&spa->spa_spares, spares, nspares, |
2762 |
ZPOOL_CONFIG_SPARES); |
|
2082 | 2763 |
spa_load_spares(spa); |
5450 | 2764 |
spa->spa_spares.sav_sync = B_TRUE; |
2765 |
} |
|
2766 |
||
2767 |
if (nl2cache != 0) { |
|
2768 |
spa_set_aux_vdevs(&spa->spa_l2cache, l2cache, nl2cache, |
|
2769 |
ZPOOL_CONFIG_L2CACHE); |
|
2770 |
spa_load_l2cache(spa); |
|
2771 |
spa->spa_l2cache.sav_sync = B_TRUE; |
|
789 | 2772 |
} |
2773 |
||
2774 |
/* |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2775 |
* We have to be careful when adding new vdevs to an existing pool. |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2776 |
* If other threads start allocating from these vdevs before we |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2777 |
* sync the config cache, and we lose power, then upon reboot we may |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2778 |
* fail to open the pool because there are DVAs that the config cache |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2779 |
* can't translate. Therefore, we first add the vdevs without |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2780 |
* initializing metaslabs; sync the config cache (via spa_vdev_exit()); |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2781 |
* and then let spa_config_update() initialize the new metaslabs. |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2782 |
* |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2783 |
* spa_load() checks for added-but-not-initialized vdevs, so that |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2784 |
* if we lose power at any point in this sequence, the remaining |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2785 |
* steps will be completed the next time we load the pool. |
789 | 2786 |
*/ |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2787 |
(void) spa_vdev_exit(spa, vd, txg, 0); |
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2788 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2789 |
mutex_enter(&spa_namespace_lock); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2790 |
spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2791 |
mutex_exit(&spa_namespace_lock); |
789 | 2792 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2793 |
return (0); |
789 | 2794 |
} |
2795 |
||
2796 |
/* |
|
2797 |
* Attach a device to a mirror. The arguments are the path to any device |
|
2798 |
* in the mirror, and the nvroot for the new device. If the path specifies |
|
2799 |
* a device that is not mirrored, we automatically insert the mirror vdev. |
|
2800 |
* |
|
2801 |
* If 'replacing' is specified, the new device is intended to replace the |
|
2802 |
* existing device; in this case the two devices are made into their own |
|
4451 | 2803 |
* mirror using the 'replacing' vdev, which is functionally identical to |
789 | 2804 |
* the mirror vdev (it actually reuses all the same ops) but has a few |
2805 |
* extra rules: you can't attach to it after it's been created, and upon |
|
2806 |
* completion of resilvering, the first disk (the one being replaced) |
|
2807 |
* is automatically detached. |
|
2808 |
*/ |
|
2809 |
int |
|
1544 | 2810 |
spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
789 | 2811 |
{ |
2812 |
uint64_t txg, open_txg; |
|
2813 |
vdev_t *rvd = spa->spa_root_vdev; |
|
2814 |
vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; |
|
2082 | 2815 |
vdev_ops_t *pvops; |
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2816 |
dmu_tx_t *tx; |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2817 |
char *oldvdpath, *newvdpath; |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2818 |
int newvd_isspare; |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2819 |
int error; |
789 | 2820 |
|
2821 |
txg = spa_vdev_enter(spa); |
|
2822 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
2823 |
oldvd = spa_lookup_by_guid(spa, guid, B_FALSE); |
789 | 2824 |
|
2825 |
if (oldvd == NULL) |
|
2826 |
return (spa_vdev_exit(spa, NULL, txg, ENODEV)); |
|
2827 |
||
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2828 |
if (!oldvd->vdev_ops->vdev_op_leaf) |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2829 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2830 |
|
789 | 2831 |
pvd = oldvd->vdev_parent; |
2832 |
||
2082 | 2833 |
if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
4451 | 2834 |
VDEV_ALLOC_ADD)) != 0) |
2835 |
return (spa_vdev_exit(spa, NULL, txg, EINVAL)); |
|
2836 |
||
2837 |
if (newrootvd->vdev_children != 1) |
|
789 | 2838 |
return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
2839 |
||
2840 |
newvd = newrootvd->vdev_child[0]; |
|
2841 |
||
2842 |
if (!newvd->vdev_ops->vdev_op_leaf) |
|
2843 |
return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
|
2844 |
||
2082 | 2845 |
if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
789 | 2846 |
return (spa_vdev_exit(spa, newrootvd, txg, error)); |
2847 |
||
4527 | 2848 |
/* |
2849 |
* Spares can't replace logs |
|
2850 |
*/ |
|
7326
a3c803100a09
6713886 hot spares of mirrored log devices should not be allowed
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
7313
diff
changeset
|
2851 |
if (oldvd->vdev_top->vdev_islog && newvd->vdev_isspare) |
4527 | 2852 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
2853 |
||
2082 | 2854 |
if (!replacing) { |
2855 |
/* |
|
2856 |
* For attach, the only allowable parent is a mirror or the root |
|
2857 |
* vdev. |
|
2858 |
*/ |
|
2859 |
if (pvd->vdev_ops != &vdev_mirror_ops && |
|
2860 |
pvd->vdev_ops != &vdev_root_ops) |
|
2861 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
|
2862 |
||
2863 |
pvops = &vdev_mirror_ops; |
|
2864 |
} else { |
|
2865 |
/* |
|
2866 |
* Active hot spares can only be replaced by inactive hot |
|
2867 |
* spares. |
|
2868 |
*/ |
|
2869 |
if (pvd->vdev_ops == &vdev_spare_ops && |
|
2870 |
pvd->vdev_child[1] == oldvd && |
|
2871 |
!spa_has_spare(spa, newvd->vdev_guid)) |
|
2872 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
|
2873 |
||
2874 |
/* |
|
2875 |
* If the source is a hot spare, and the parent isn't already a |
|
2876 |
* spare, then we want to create a new hot spare. Otherwise, we |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2877 |
* want to create a replacing vdev. The user is not allowed to |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2878 |
* attach to a spared vdev child unless the 'isspare' state is |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2879 |
* the same (spare replaces spare, non-spare replaces |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2880 |
* non-spare). |
2082 | 2881 |
*/ |
2882 |
if (pvd->vdev_ops == &vdev_replacing_ops) |
|
2883 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2884 |
else if (pvd->vdev_ops == &vdev_spare_ops && |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2885 |
newvd->vdev_isspare != oldvd->vdev_isspare) |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2886 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
2082 | 2887 |
else if (pvd->vdev_ops != &vdev_spare_ops && |
2888 |
newvd->vdev_isspare) |
|
2889 |
pvops = &vdev_spare_ops; |
|
2890 |
else |
|
2891 |
pvops = &vdev_replacing_ops; |
|
2892 |
} |
|
2893 |
||
1175
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
2894 |
/* |
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
2895 |
* Compare the new device size with the replaceable/attachable |
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
2896 |
* device size. |
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
2897 |
*/ |
759d20c7e57b
6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
lling
parents:
797
diff
changeset
|
2898 |
if (newvd->vdev_psize < vdev_get_rsize(oldvd)) |
789 | 2899 |
return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
2900 |
||
1732 | 2901 |
/* |
2902 |
* The new device cannot have a higher alignment requirement |
|
2903 |
* than the top-level vdev. |
|
2904 |
*/ |
|
2905 |
if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) |
|
789 | 2906 |
return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
2907 |
||
2908 |
/* |
|
2909 |
* If this is an in-place replacement, update oldvd's path and devid |
|
2910 |
* to make it distinguishable from newvd, and unopenable from now on. |
|
2911 |
*/ |
|
2912 |
if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) { |
|
2913 |
spa_strfree(oldvd->vdev_path); |
|
2914 |
oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, |
|
2915 |
KM_SLEEP); |
|
2916 |
(void) sprintf(oldvd->vdev_path, "%s/%s", |
|
2917 |
newvd->vdev_path, "old"); |
|
2918 |
if (oldvd->vdev_devid != NULL) { |
|
2919 |
spa_strfree(oldvd->vdev_devid); |
|
2920 |
oldvd->vdev_devid = NULL; |
|
2921 |
} |
|
2922 |
} |
|
2923 |
||
2924 |
/* |
|
2082 | 2925 |
* If the parent is not a mirror, or if we're replacing, insert the new |
2926 |
* mirror/replacing/spare vdev above oldvd. |
|
789 | 2927 |
*/ |
2928 |
if (pvd->vdev_ops != pvops) |
|
2929 |
pvd = vdev_add_parent(oldvd, pvops); |
|
2930 |
||
2931 |
ASSERT(pvd->vdev_top->vdev_parent == rvd); |
|
2932 |
ASSERT(pvd->vdev_ops == pvops); |
|
2933 |
ASSERT(oldvd->vdev_parent == pvd); |
|
2934 |
||
2935 |
/* |
|
2936 |
* Extract the new device from its root and add it to pvd. |
|
2937 |
*/ |
|
2938 |
vdev_remove_child(newrootvd, newvd); |
|
2939 |
newvd->vdev_id = pvd->vdev_children; |
|
2940 |
vdev_add_child(pvd, newvd); |
|
2941 |
||
1544 | 2942 |
/* |
2943 |
* If newvd is smaller than oldvd, but larger than its rsize, |
|
2944 |
* the addition of newvd may have decreased our parent's asize. |
|
2945 |
*/ |
|
2946 |
pvd->vdev_asize = MIN(pvd->vdev_asize, newvd->vdev_asize); |
|
2947 |
||
789 | 2948 |
tvd = newvd->vdev_top; |
2949 |
ASSERT(pvd->vdev_top == tvd); |
|
2950 |
ASSERT(tvd->vdev_parent == rvd); |
|
2951 |
||
2952 |
vdev_config_dirty(tvd); |
|
2953 |
||
2954 |
/* |
|
2955 |
* Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate |
|
2956 |
* upward when spa_vdev_exit() calls vdev_dtl_reassess(). |
|
2957 |
*/ |
|
2958 |
open_txg = txg + TXG_CONCURRENT_STATES - 1; |
|
2959 |
||
2960 |
mutex_enter(&newvd->vdev_dtl_lock); |
|
2961 |
space_map_add(&newvd->vdev_dtl_map, TXG_INITIAL, |
|
2962 |
open_txg - TXG_INITIAL + 1); |
|
2963 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
2964 |
||
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2965 |
if (newvd->vdev_isspare) |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2966 |
spa_spare_activate(newvd); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2967 |
oldvdpath = spa_strdup(oldvd->vdev_path); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
2968 |
newvdpath = spa_strdup(newvd->vdev_path); |
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2969 |
newvd_isspare = newvd->vdev_isspare; |
1544 | 2970 |
|
789 | 2971 |
/* |
2972 |
* Mark newvd's DTL dirty in this txg. |
|
2973 |
*/ |
|
1732 | 2974 |
vdev_dirty(tvd, VDD_DTL, newvd, txg); |
789 | 2975 |
|
2976 |
(void) spa_vdev_exit(spa, newrootvd, open_txg, 0); |
|
2977 |
||
7313
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2978 |
tx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir); |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2979 |
if (dmu_tx_assign(tx, TXG_WAIT) == 0) { |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2980 |
spa_history_internal_log(LOG_POOL_VDEV_ATTACH, spa, tx, |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2981 |
CRED(), "%s vdev=%s %s vdev=%s", |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2982 |
replacing && newvd_isspare ? "spare in" : |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2983 |
replacing ? "replace" : "attach", newvdpath, |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2984 |
replacing ? "for" : "to", oldvdpath); |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2985 |
dmu_tx_commit(tx); |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2986 |
} else { |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2987 |
dmu_tx_abort(tx); |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2988 |
} |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2989 |
|
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2990 |
spa_strfree(oldvdpath); |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2991 |
spa_strfree(newvdpath); |
99e2110471bb
6734585 zpool history should log when a spare device becomes active
Eric Kustarz <Eric.Kustarz@Sun.COM>
parents:
7294
diff
changeset
|
2992 |
|
789 | 2993 |
/* |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2994 |
* Kick off a resilver to update newvd. |
789 | 2995 |
*/ |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
2996 |
VERIFY3U(spa_scrub(spa, POOL_SCRUB_RESILVER), ==, 0); |
789 | 2997 |
|
2998 |
return (0); |
|
2999 |
} |
|
3000 |
||
3001 |
/* |
|
3002 |
* Detach a device from a mirror or replacing vdev. |
|
3003 |
* If 'replace_done' is specified, only detach if the parent |
|
3004 |
* is a replacing vdev. |
|
3005 |
*/ |
|
3006 |
int |
|
1544 | 3007 |
spa_vdev_detach(spa_t *spa, uint64_t guid, int replace_done) |
789 | 3008 |
{ |
3009 |
uint64_t txg; |
|
3010 |
int c, t, error; |
|
3011 |
vdev_t *rvd = spa->spa_root_vdev; |
|
3012 |
vdev_t *vd, *pvd, *cvd, *tvd; |
|
2082 | 3013 |
boolean_t unspare = B_FALSE; |
3014 |
uint64_t unspare_guid; |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3015 |
size_t len; |
789 | 3016 |
|
3017 |
txg = spa_vdev_enter(spa); |
|
3018 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3019 |
vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
789 | 3020 |
|
3021 |
if (vd == NULL) |
|
3022 |
return (spa_vdev_exit(spa, NULL, txg, ENODEV)); |
|
3023 |
||
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3024 |
if (!vd->vdev_ops->vdev_op_leaf) |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3025 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3026 |
|
789 | 3027 |
pvd = vd->vdev_parent; |
3028 |
||
3029 |
/* |
|
3030 |
* If replace_done is specified, only remove this device if it's |
|
2082 | 3031 |
* the first child of a replacing vdev. For the 'spare' vdev, either |
3032 |
* disk can be removed. |
|
789 | 3033 |
*/ |
2082 | 3034 |
if (replace_done) { |
3035 |
if (pvd->vdev_ops == &vdev_replacing_ops) { |
|
3036 |
if (vd->vdev_id != 0) |
|
3037 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
3038 |
} else if (pvd->vdev_ops != &vdev_spare_ops) { |
|
3039 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
3040 |
} |
|
3041 |
} |
|
3042 |
||
3043 |
ASSERT(pvd->vdev_ops != &vdev_spare_ops || |
|
4577 | 3044 |
spa_version(spa) >= SPA_VERSION_SPARES); |
789 | 3045 |
|
3046 |
/* |
|
2082 | 3047 |
* Only mirror, replacing, and spare vdevs support detach. |
789 | 3048 |
*/ |
3049 |
if (pvd->vdev_ops != &vdev_replacing_ops && |
|
2082 | 3050 |
pvd->vdev_ops != &vdev_mirror_ops && |
3051 |
pvd->vdev_ops != &vdev_spare_ops) |
|
789 | 3052 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
3053 |
||
3054 |
/* |
|
3055 |
* If there's only one replica, you can't detach it. |
|
3056 |
*/ |
|
3057 |
if (pvd->vdev_children <= 1) |
|
3058 |
return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
|
3059 |
||
3060 |
/* |
|
3061 |
* If all siblings have non-empty DTLs, this device may have the only |
|
3062 |
* valid copy of the data, which means we cannot safely detach it. |
|
3063 |
* |
|
3064 |
* XXX -- as in the vdev_offline() case, we really want a more |
|
3065 |
* precise DTL check. |
|
3066 |
*/ |
|
3067 |
for (c = 0; c < pvd->vdev_children; c++) { |
|
3068 |
uint64_t dirty; |
|
3069 |
||
3070 |
cvd = pvd->vdev_child[c]; |
|
3071 |
if (cvd == vd) |
|
3072 |
continue; |
|
3073 |
if (vdev_is_dead(cvd)) |
|
3074 |
continue; |
|
3075 |
mutex_enter(&cvd->vdev_dtl_lock); |
|
3076 |
dirty = cvd->vdev_dtl_map.sm_space | |
|
3077 |
cvd->vdev_dtl_scrub.sm_space; |
|
3078 |
mutex_exit(&cvd->vdev_dtl_lock); |
|
3079 |
if (!dirty) |
|
3080 |
break; |
|
3081 |
} |
|
2082 | 3082 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3083 |
if (c == pvd->vdev_children) |
789 | 3084 |
return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
3085 |
||
3086 |
/* |
|
6673
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3087 |
* If we are detaching the second disk from a replacing vdev, then |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3088 |
* check to see if we changed the original vdev's path to have "/old" |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3089 |
* at the end in spa_vdev_attach(). If so, undo that change now. |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3090 |
*/ |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3091 |
if (pvd->vdev_ops == &vdev_replacing_ops && vd->vdev_id == 1 && |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3092 |
pvd->vdev_child[0]->vdev_path != NULL && |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3093 |
pvd->vdev_child[1]->vdev_path != NULL) { |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3094 |
ASSERT(pvd->vdev_child[1] == vd); |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3095 |
cvd = pvd->vdev_child[0]; |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3096 |
len = strlen(vd->vdev_path); |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3097 |
if (strncmp(cvd->vdev_path, vd->vdev_path, len) == 0 && |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3098 |
strcmp(cvd->vdev_path + len, "/old") == 0) { |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3099 |
spa_strfree(cvd->vdev_path); |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3100 |
cvd->vdev_path = spa_strdup(vd->vdev_path); |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3101 |
} |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3102 |
} |
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3103 |
|
be079d6124af
6697301 deadlock between ZFS and devfs can hang system
eschrock
parents:
6643
diff
changeset
|
3104 |
/* |
2082 | 3105 |
* If we are detaching the original disk from a spare, then it implies |
3106 |
* that the spare should become a real disk, and be removed from the |
|
3107 |
* active spare list for the pool. |
|
3108 |
*/ |
|
3109 |
if (pvd->vdev_ops == &vdev_spare_ops && |
|
3110 |
vd->vdev_id == 0) |
|
3111 |
unspare = B_TRUE; |
|
3112 |
||
3113 |
/* |
|
789 | 3114 |
* Erase the disk labels so the disk can be used for other things. |
3115 |
* This must be done after all other error cases are handled, |
|
3116 |
* but before we disembowel vd (so we can still do I/O to it). |
|
3117 |
* But if we can't do it, don't treat the error as fatal -- |
|
3118 |
* it may be that the unwritability of the disk is the reason |
|
3119 |
* it's being detached! |
|
3120 |
*/ |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3121 |
error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
789 | 3122 |
|
3123 |
/* |
|
3124 |
* Remove vd from its parent and compact the parent's children. |
|
3125 |
*/ |
|
3126 |
vdev_remove_child(pvd, vd); |
|
3127 |
vdev_compact_children(pvd); |
|
3128 |
||
3129 |
/* |
|
3130 |
* Remember one of the remaining children so we can get tvd below. |
|
3131 |
*/ |
|
3132 |
cvd = pvd->vdev_child[0]; |
|
3133 |
||
3134 |
/* |
|
2082 | 3135 |
* If we need to remove the remaining child from the list of hot spares, |
3136 |
* do it now, marking the vdev as no longer a spare in the process. We |
|
3137 |
* must do this before vdev_remove_parent(), because that can change the |
|
3138 |
* GUID if it creates a new toplevel GUID. |
|
3139 |
*/ |
|
3140 |
if (unspare) { |
|
3141 |
ASSERT(cvd->vdev_isspare); |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3142 |
spa_spare_remove(cvd); |
2082 | 3143 |
unspare_guid = cvd->vdev_guid; |
3144 |
} |
|
3145 |
||
3146 |
/* |
|
789 | 3147 |
* If the parent mirror/replacing vdev only has one child, |
3148 |
* the parent is no longer needed. Remove it from the tree. |
|
3149 |
*/ |
|
3150 |
if (pvd->vdev_children == 1) |
|
3151 |
vdev_remove_parent(cvd); |
|
3152 |
||
3153 |
/* |
|
3154 |
* We don't set tvd until now because the parent we just removed |
|
3155 |
* may have been the previous top-level vdev. |
|
3156 |
*/ |
|
3157 |
tvd = cvd->vdev_top; |
|
3158 |
ASSERT(tvd->vdev_parent == rvd); |
|
3159 |
||
3160 |
/* |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3161 |
* Reevaluate the parent vdev state. |
789 | 3162 |
*/ |
4451 | 3163 |
vdev_propagate_state(cvd); |
789 | 3164 |
|
3165 |
/* |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3166 |
* If the device we just detached was smaller than the others, it may be |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3167 |
* possible to add metaslabs (i.e. grow the pool). vdev_metaslab_init() |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3168 |
* can't fail because the existing metaslabs are already in core, so |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3169 |
* there's nothing to read from disk. |
789 | 3170 |
*/ |
1732 | 3171 |
VERIFY(vdev_metaslab_init(tvd, txg) == 0); |
789 | 3172 |
|
3173 |
vdev_config_dirty(tvd); |
|
3174 |
||
3175 |
/* |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3176 |
* Mark vd's DTL as dirty in this txg. vdev_dtl_sync() will see that |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3177 |
* vd->vdev_detached is set and free vd's DTL object in syncing context. |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3178 |
* But first make sure we're not on any *other* txg's DTL list, to |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3179 |
* prevent vd from being accessed after it's freed. |
789 | 3180 |
*/ |
3181 |
for (t = 0; t < TXG_SIZE; t++) |
|
3182 |
(void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); |
|
1732 | 3183 |
vd->vdev_detached = B_TRUE; |
3184 |
vdev_dirty(tvd, VDD_DTL, vd, txg); |
|
789 | 3185 |
|
4451 | 3186 |
spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
3187 |
||
2082 | 3188 |
error = spa_vdev_exit(spa, vd, txg, 0); |
3189 |
||
3190 |
/* |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3191 |
* If this was the removal of the original device in a hot spare vdev, |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3192 |
* then we want to go through and remove the device from the hot spare |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3193 |
* list of every other pool. |
2082 | 3194 |
*/ |
3195 |
if (unspare) { |
|
3196 |
spa = NULL; |
|
3197 |
mutex_enter(&spa_namespace_lock); |
|
3198 |
while ((spa = spa_next(spa)) != NULL) { |
|
3199 |
if (spa->spa_state != POOL_STATE_ACTIVE) |
|
3200 |
continue; |
|
7793
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3201 |
spa_open_ref(spa, FTAG); |
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3202 |
mutex_exit(&spa_namespace_lock); |
2082 | 3203 |
(void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
7793
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3204 |
mutex_enter(&spa_namespace_lock); |
4dbbc0a3f135
6755897 recursive mutex enter in spa_vdev_enter when running test suite
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7754
diff
changeset
|
3205 |
spa_close(spa, FTAG); |
2082 | 3206 |
} |
3207 |
mutex_exit(&spa_namespace_lock); |
|
3208 |
} |
|
3209 |
||
3210 |
return (error); |
|
3211 |
} |
|
3212 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3213 |
static nvlist_t * |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3214 |
spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid) |
2082 | 3215 |
{ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3216 |
for (int i = 0; i < count; i++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3217 |
uint64_t guid; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3218 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3219 |
VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3220 |
&guid) == 0); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3221 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3222 |
if (guid == target_guid) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3223 |
return (nvpp[i]); |
2082 | 3224 |
} |
3225 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3226 |
return (NULL); |
5450 | 3227 |
} |
3228 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3229 |
static void |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3230 |
spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3231 |
nvlist_t *dev_to_remove) |
5450 | 3232 |
{ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3233 |
nvlist_t **newdev = NULL; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3234 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3235 |
if (count > 1) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3236 |
newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3237 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3238 |
for (int i = 0, j = 0; i < count; i++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3239 |
if (dev[i] == dev_to_remove) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3240 |
continue; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3241 |
VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0); |
5450 | 3242 |
} |
3243 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3244 |
VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3245 |
VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3246 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3247 |
for (int i = 0; i < count - 1; i++) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3248 |
nvlist_free(newdev[i]); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3249 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3250 |
if (count > 1) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3251 |
kmem_free(newdev, (count - 1) * sizeof (void *)); |
5450 | 3252 |
} |
3253 |
||
3254 |
/* |
|
3255 |
* Remove a device from the pool. Currently, this supports removing only hot |
|
3256 |
* spares and level 2 ARC devices. |
|
3257 |
*/ |
|
3258 |
int |
|
3259 |
spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) |
|
3260 |
{ |
|
3261 |
vdev_t *vd; |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3262 |
nvlist_t **spares, **l2cache, *nv; |
5450 | 3263 |
uint_t nspares, nl2cache; |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3264 |
uint64_t txg; |
5450 | 3265 |
int error = 0; |
3266 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3267 |
txg = spa_vdev_enter(spa); |
5450 | 3268 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3269 |
vd = spa_lookup_by_guid(spa, guid, B_FALSE); |
5450 | 3270 |
|
3271 |
if (spa->spa_spares.sav_vdevs != NULL && |
|
3272 |
nvlist_lookup_nvlist_array(spa->spa_spares.sav_config, |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3273 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0 && |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3274 |
(nv = spa_nvlist_lookup_by_guid(spares, nspares, guid)) != NULL) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3275 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3276 |
* Only remove the hot spare if it's not currently in use |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3277 |
* in this pool. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3278 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3279 |
if (vd == NULL || unspare) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3280 |
spa_vdev_remove_aux(spa->spa_spares.sav_config, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3281 |
ZPOOL_CONFIG_SPARES, spares, nspares, nv); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3282 |
spa_load_spares(spa); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3283 |
spa->spa_spares.sav_sync = B_TRUE; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3284 |
} else { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3285 |
error = EBUSY; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3286 |
} |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3287 |
} else if (spa->spa_l2cache.sav_vdevs != NULL && |
5450 | 3288 |
nvlist_lookup_nvlist_array(spa->spa_l2cache.sav_config, |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3289 |
ZPOOL_CONFIG_L2CACHE, &l2cache, &nl2cache) == 0 && |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3290 |
(nv = spa_nvlist_lookup_by_guid(l2cache, nl2cache, guid)) != NULL) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3291 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3292 |
* Cache devices can always be removed. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3293 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3294 |
spa_vdev_remove_aux(spa->spa_l2cache.sav_config, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3295 |
ZPOOL_CONFIG_L2CACHE, l2cache, nl2cache, nv); |
5450 | 3296 |
spa_load_l2cache(spa); |
3297 |
spa->spa_l2cache.sav_sync = B_TRUE; |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3298 |
} else if (vd != NULL) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3299 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3300 |
* Normal vdevs cannot be removed (yet). |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3301 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3302 |
error = ENOTSUP; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3303 |
} else { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3304 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3305 |
* There is no vdev of any kind with the specified guid. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3306 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3307 |
error = ENOENT; |
5450 | 3308 |
} |
2082 | 3309 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3310 |
return (spa_vdev_exit(spa, NULL, txg, error)); |
789 | 3311 |
} |
3312 |
||
3313 |
/* |
|
4451 | 3314 |
* Find any device that's done replacing, or a vdev marked 'unspare' that's |
3315 |
* current spared, so we can detach it. |
|
789 | 3316 |
*/ |
1544 | 3317 |
static vdev_t * |
4451 | 3318 |
spa_vdev_resilver_done_hunt(vdev_t *vd) |
789 | 3319 |
{ |
1544 | 3320 |
vdev_t *newvd, *oldvd; |
789 | 3321 |
int c; |
3322 |
||
1544 | 3323 |
for (c = 0; c < vd->vdev_children; c++) { |
4451 | 3324 |
oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
1544 | 3325 |
if (oldvd != NULL) |
3326 |
return (oldvd); |
|
3327 |
} |
|
789 | 3328 |
|
4451 | 3329 |
/* |
3330 |
* Check for a completed replacement. |
|
3331 |
*/ |
|
789 | 3332 |
if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) { |
1544 | 3333 |
oldvd = vd->vdev_child[0]; |
3334 |
newvd = vd->vdev_child[1]; |
|
789 | 3335 |
|
1544 | 3336 |
mutex_enter(&newvd->vdev_dtl_lock); |
3337 |
if (newvd->vdev_dtl_map.sm_space == 0 && |
|
3338 |
newvd->vdev_dtl_scrub.sm_space == 0) { |
|
3339 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
3340 |
return (oldvd); |
|
3341 |
} |
|
3342 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
3343 |
} |
|
789 | 3344 |
|
4451 | 3345 |
/* |
3346 |
* Check for a completed resilver with the 'unspare' flag set. |
|
3347 |
*/ |
|
3348 |
if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) { |
|
3349 |
newvd = vd->vdev_child[0]; |
|
3350 |
oldvd = vd->vdev_child[1]; |
|
3351 |
||
3352 |
mutex_enter(&newvd->vdev_dtl_lock); |
|
3353 |
if (newvd->vdev_unspare && |
|
3354 |
newvd->vdev_dtl_map.sm_space == 0 && |
|
3355 |
newvd->vdev_dtl_scrub.sm_space == 0) { |
|
3356 |
newvd->vdev_unspare = 0; |
|
3357 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
3358 |
return (oldvd); |
|
3359 |
} |
|
3360 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
3361 |
} |
|
3362 |
||
1544 | 3363 |
return (NULL); |
789 | 3364 |
} |
3365 |
||
1544 | 3366 |
static void |
4451 | 3367 |
spa_vdev_resilver_done(spa_t *spa) |
789 | 3368 |
{ |
1544 | 3369 |
vdev_t *vd; |
2082 | 3370 |
vdev_t *pvd; |
1544 | 3371 |
uint64_t guid; |
2082 | 3372 |
uint64_t pguid = 0; |
789 | 3373 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3374 |
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
789 | 3375 |
|
4451 | 3376 |
while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) { |
1544 | 3377 |
guid = vd->vdev_guid; |
2082 | 3378 |
/* |
3379 |
* If we have just finished replacing a hot spared device, then |
|
3380 |
* we need to detach the parent's first child (the original hot |
|
3381 |
* spare) as well. |
|
3382 |
*/ |
|
3383 |
pvd = vd->vdev_parent; |
|
3384 |
if (pvd->vdev_parent->vdev_ops == &vdev_spare_ops && |
|
3385 |
pvd->vdev_id == 0) { |
|
3386 |
ASSERT(pvd->vdev_ops == &vdev_replacing_ops); |
|
3387 |
ASSERT(pvd->vdev_parent->vdev_children == 2); |
|
3388 |
pguid = pvd->vdev_parent->vdev_child[1]->vdev_guid; |
|
3389 |
} |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3390 |
spa_config_exit(spa, SCL_CONFIG, FTAG); |
1544 | 3391 |
if (spa_vdev_detach(spa, guid, B_TRUE) != 0) |
3392 |
return; |
|
2082 | 3393 |
if (pguid != 0 && spa_vdev_detach(spa, pguid, B_TRUE) != 0) |
3394 |
return; |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3395 |
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
789 | 3396 |
} |
3397 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3398 |
spa_config_exit(spa, SCL_CONFIG, FTAG); |
789 | 3399 |
} |
3400 |
||
3401 |
/* |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3402 |
* Update the stored path for this vdev. Dirty the vdev configuration, relying |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3403 |
* on spa_vdev_enter/exit() to synchronize the labels and cache. |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3404 |
*/ |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3405 |
int |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3406 |
spa_vdev_setpath(spa_t *spa, uint64_t guid, const char *newpath) |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3407 |
{ |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3408 |
vdev_t *vd; |
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3409 |
uint64_t txg; |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3410 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3411 |
txg = spa_vdev_enter(spa); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3412 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3413 |
if ((vd = spa_lookup_by_guid(spa, guid, B_TRUE)) == NULL) { |
2082 | 3414 |
/* |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3415 |
* Determine if this is a reference to a hot spare device. If |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3416 |
* it is, update the path manually as there is no associated |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3417 |
* vdev_t that can be synced to disk. |
2082 | 3418 |
*/ |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3419 |
nvlist_t **spares; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3420 |
uint_t i, nspares; |
5450 | 3421 |
|
3422 |
if (spa->spa_spares.sav_config != NULL) { |
|
3423 |
VERIFY(nvlist_lookup_nvlist_array( |
|
3424 |
spa->spa_spares.sav_config, ZPOOL_CONFIG_SPARES, |
|
3425 |
&spares, &nspares) == 0); |
|
2082 | 3426 |
for (i = 0; i < nspares; i++) { |
3427 |
uint64_t theguid; |
|
3428 |
VERIFY(nvlist_lookup_uint64(spares[i], |
|
3429 |
ZPOOL_CONFIG_GUID, &theguid) == 0); |
|
5450 | 3430 |
if (theguid == guid) { |
3431 |
VERIFY(nvlist_add_string(spares[i], |
|
3432 |
ZPOOL_CONFIG_PATH, newpath) == 0); |
|
3433 |
spa_load_spares(spa); |
|
3434 |
spa->spa_spares.sav_sync = B_TRUE; |
|
3435 |
return (spa_vdev_exit(spa, NULL, txg, |
|
3436 |
0)); |
|
3437 |
} |
|
2082 | 3438 |
} |
3439 |
} |
|
5450 | 3440 |
|
3441 |
return (spa_vdev_exit(spa, NULL, txg, ENOENT)); |
|
2082 | 3442 |
} |
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3443 |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3444 |
if (!vd->vdev_ops->vdev_op_leaf) |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3445 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
3446 |
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3447 |
spa_strfree(vd->vdev_path); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3448 |
vd->vdev_path = spa_strdup(newpath); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3449 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3450 |
vdev_config_dirty(vd->vdev_top); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3451 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3452 |
return (spa_vdev_exit(spa, NULL, txg, 0)); |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3453 |
} |
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3454 |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
3455 |
/* |
789 | 3456 |
* ========================================================================== |
3457 |
* SPA Scrubbing |
|
3458 |
* ========================================================================== |
|
3459 |
*/ |
|
3460 |
||
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3461 |
int |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3462 |
spa_scrub(spa_t *spa, pool_scrub_type_t type) |
789 | 3463 |
{ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3464 |
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == 0); |
4808 | 3465 |
|
789 | 3466 |
if ((uint_t)type >= POOL_SCRUB_TYPES) |
3467 |
return (ENOTSUP); |
|
3468 |
||
3469 |
/* |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3470 |
* If a resilver was requested, but there is no DTL on a |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3471 |
* writeable leaf device, we have nothing to do. |
789 | 3472 |
*/ |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3473 |
if (type == POOL_SCRUB_RESILVER && |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3474 |
!vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL)) { |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3475 |
spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
1544 | 3476 |
return (0); |
3477 |
} |
|
789 | 3478 |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3479 |
if (type == POOL_SCRUB_EVERYTHING && |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3480 |
spa->spa_dsl_pool->dp_scrub_func != SCRUB_FUNC_NONE && |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3481 |
spa->spa_dsl_pool->dp_scrub_isresilver) |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3482 |
return (EBUSY); |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3483 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3484 |
if (type == POOL_SCRUB_EVERYTHING || type == POOL_SCRUB_RESILVER) { |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3485 |
return (dsl_pool_scrub_clean(spa->spa_dsl_pool)); |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3486 |
} else if (type == POOL_SCRUB_NONE) { |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3487 |
return (dsl_pool_scrub_cancel(spa->spa_dsl_pool)); |
1544 | 3488 |
} else { |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3489 |
return (EINVAL); |
1544 | 3490 |
} |
789 | 3491 |
} |
3492 |
||
1544 | 3493 |
/* |
3494 |
* ========================================================================== |
|
3495 |
* SPA async task processing |
|
3496 |
* ========================================================================== |
|
3497 |
*/ |
|
3498 |
||
3499 |
static void |
|
4451 | 3500 |
spa_async_remove(spa_t *spa, vdev_t *vd) |
789 | 3501 |
{ |
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3502 |
if (vd->vdev_remove_wanted) { |
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3503 |
vd->vdev_remove_wanted = 0; |
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3504 |
vdev_set_state(vd, B_FALSE, VDEV_STATE_REMOVED, VDEV_AUX_NONE); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3505 |
vdev_clear(spa, vd); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3506 |
vdev_state_dirty(vd->vdev_top); |
1544 | 3507 |
} |
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3508 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3509 |
for (int c = 0; c < vd->vdev_children; c++) |
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3510 |
spa_async_remove(spa, vd->vdev_child[c]); |
1544 | 3511 |
} |
3512 |
||
3513 |
static void |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3514 |
spa_async_probe(spa_t *spa, vdev_t *vd) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3515 |
{ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3516 |
if (vd->vdev_probe_wanted) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3517 |
vd->vdev_probe_wanted = 0; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3518 |
vdev_reopen(vd); /* vdev_open() does the actual probe */ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3519 |
} |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3520 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3521 |
for (int c = 0; c < vd->vdev_children; c++) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3522 |
spa_async_probe(spa, vd->vdev_child[c]); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3523 |
} |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3524 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3525 |
static void |
1544 | 3526 |
spa_async_thread(spa_t *spa) |
3527 |
{ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3528 |
int tasks; |
1544 | 3529 |
|
3530 |
ASSERT(spa->spa_sync_on); |
|
789 | 3531 |
|
1544 | 3532 |
mutex_enter(&spa->spa_async_lock); |
3533 |
tasks = spa->spa_async_tasks; |
|
3534 |
spa->spa_async_tasks = 0; |
|
3535 |
mutex_exit(&spa->spa_async_lock); |
|
3536 |
||
3537 |
/* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3538 |
* See if the config needs to be updated. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3539 |
*/ |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3540 |
if (tasks & SPA_ASYNC_CONFIG_UPDATE) { |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3541 |
mutex_enter(&spa_namespace_lock); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3542 |
spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3543 |
mutex_exit(&spa_namespace_lock); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3544 |
} |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3545 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3546 |
/* |
4451 | 3547 |
* See if any devices need to be marked REMOVED. |
1544 | 3548 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3549 |
if (tasks & SPA_ASYNC_REMOVE) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3550 |
spa_vdev_state_enter(spa); |
4451 | 3551 |
spa_async_remove(spa, spa->spa_root_vdev); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3552 |
for (int i = 0; i < spa->spa_l2cache.sav_count; i++) |
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3553 |
spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3554 |
for (int i = 0; i < spa->spa_spares.sav_count; i++) |
7361
e7d1b928b483
6715111 A removed L2ARC device should show status REMOVED
Brendan Gregg - Sun Microsystems <Brendan.Gregg@Sun.COM>
parents:
7326
diff
changeset
|
3555 |
spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]); |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3556 |
(void) spa_vdev_state_exit(spa, NULL, 0); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3557 |
} |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3558 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3559 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3560 |
* See if any devices need to be probed. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3561 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3562 |
if (tasks & SPA_ASYNC_PROBE) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3563 |
spa_vdev_state_enter(spa); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3564 |
spa_async_probe(spa, spa->spa_root_vdev); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3565 |
(void) spa_vdev_state_exit(spa, NULL, 0); |
4451 | 3566 |
} |
1544 | 3567 |
|
3568 |
/* |
|
3569 |
* If any devices are done replacing, detach them. |
|
3570 |
*/ |
|
4451 | 3571 |
if (tasks & SPA_ASYNC_RESILVER_DONE) |
3572 |
spa_vdev_resilver_done(spa); |
|
789 | 3573 |
|
1544 | 3574 |
/* |
3575 |
* Kick off a resilver. |
|
3576 |
*/ |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3577 |
if (tasks & SPA_ASYNC_RESILVER) |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3578 |
VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER) == 0); |
1544 | 3579 |
|
3580 |
/* |
|
3581 |
* Let the world know that we're done. |
|
3582 |
*/ |
|
3583 |
mutex_enter(&spa->spa_async_lock); |
|
3584 |
spa->spa_async_thread = NULL; |
|
3585 |
cv_broadcast(&spa->spa_async_cv); |
|
3586 |
mutex_exit(&spa->spa_async_lock); |
|
3587 |
thread_exit(); |
|
3588 |
} |
|
3589 |
||
3590 |
void |
|
3591 |
spa_async_suspend(spa_t *spa) |
|
3592 |
{ |
|
3593 |
mutex_enter(&spa->spa_async_lock); |
|
3594 |
spa->spa_async_suspended++; |
|
3595 |
while (spa->spa_async_thread != NULL) |
|
3596 |
cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); |
|
3597 |
mutex_exit(&spa->spa_async_lock); |
|
3598 |
} |
|
3599 |
||
3600 |
void |
|
3601 |
spa_async_resume(spa_t *spa) |
|
3602 |
{ |
|
3603 |
mutex_enter(&spa->spa_async_lock); |
|
3604 |
ASSERT(spa->spa_async_suspended != 0); |
|
3605 |
spa->spa_async_suspended--; |
|
3606 |
mutex_exit(&spa->spa_async_lock); |
|
3607 |
} |
|
3608 |
||
3609 |
static void |
|
3610 |
spa_async_dispatch(spa_t *spa) |
|
3611 |
{ |
|
3612 |
mutex_enter(&spa->spa_async_lock); |
|
3613 |
if (spa->spa_async_tasks && !spa->spa_async_suspended && |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3614 |
spa->spa_async_thread == NULL && |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3615 |
rootdir != NULL && !vn_is_readonly(rootdir)) |
1544 | 3616 |
spa->spa_async_thread = thread_create(NULL, 0, |
3617 |
spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); |
|
3618 |
mutex_exit(&spa->spa_async_lock); |
|
3619 |
} |
|
3620 |
||
3621 |
void |
|
3622 |
spa_async_request(spa_t *spa, int task) |
|
3623 |
{ |
|
3624 |
mutex_enter(&spa->spa_async_lock); |
|
3625 |
spa->spa_async_tasks |= task; |
|
3626 |
mutex_exit(&spa->spa_async_lock); |
|
789 | 3627 |
} |
3628 |
||
3629 |
/* |
|
3630 |
* ========================================================================== |
|
3631 |
* SPA syncing routines |
|
3632 |
* ========================================================================== |
|
3633 |
*/ |
|
3634 |
||
3635 |
static void |
|
3636 |
spa_sync_deferred_frees(spa_t *spa, uint64_t txg) |
|
3637 |
{ |
|
3638 |
bplist_t *bpl = &spa->spa_sync_bplist; |
|
3639 |
dmu_tx_t *tx; |
|
3640 |
blkptr_t blk; |
|
3641 |
uint64_t itor = 0; |
|
3642 |
zio_t *zio; |
|
3643 |
int error; |
|
3644 |
uint8_t c = 1; |
|
3645 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3646 |
zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3647 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3648 |
while (bplist_iterate(bpl, &itor, &blk) == 0) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3649 |
ASSERT(blk.blk_birth < txg); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3650 |
zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3651 |
ZIO_FLAG_MUSTSUCCEED)); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3652 |
} |
789 | 3653 |
|
3654 |
error = zio_wait(zio); |
|
3655 |
ASSERT3U(error, ==, 0); |
|
3656 |
||
3657 |
tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); |
|
3658 |
bplist_vacate(bpl, tx); |
|
3659 |
||
3660 |
/* |
|
3661 |
* Pre-dirty the first block so we sync to convergence faster. |
|
3662 |
* (Usually only the first block is needed.) |
|
3663 |
*/ |
|
3664 |
dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); |
|
3665 |
dmu_tx_commit(tx); |
|
3666 |
} |
|
3667 |
||
3668 |
static void |
|
2082 | 3669 |
spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
3670 |
{ |
|
3671 |
char *packed = NULL; |
|
7497
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3672 |
size_t bufsize; |
2082 | 3673 |
size_t nvsize = 0; |
3674 |
dmu_buf_t *db; |
|
3675 |
||
3676 |
VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); |
|
3677 |
||
7497
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3678 |
/* |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3679 |
* Write full (SPA_CONFIG_BLOCKSIZE) blocks of configuration |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3680 |
* information. This avoids the dbuf_will_dirty() path and |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3681 |
* saves us a pre-read to get data we don't actually care about. |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3682 |
*/ |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3683 |
bufsize = P2ROUNDUP(nvsize, SPA_CONFIG_BLOCKSIZE); |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3684 |
packed = kmem_alloc(bufsize, KM_SLEEP); |
2082 | 3685 |
|
3686 |
VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, |
|
3687 |
KM_SLEEP) == 0); |
|
7497
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3688 |
bzero(packed + nvsize, bufsize - nvsize); |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3689 |
|
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3690 |
dmu_write(spa->spa_meta_objset, obj, 0, bufsize, packed, tx); |
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3691 |
|
f6c6be3b6154
6733970 assertion failure in dbuf_dirty() via spa_sync_nvlist()
Tim Haley <Tim.Haley@Sun.COM>
parents:
7377
diff
changeset
|
3692 |
kmem_free(packed, bufsize); |
2082 | 3693 |
|
3694 |
VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); |
|
3695 |
dmu_buf_will_dirty(db, tx); |
|
3696 |
*(uint64_t *)db->db_data = nvsize; |
|
3697 |
dmu_buf_rele(db, FTAG); |
|
3698 |
} |
|
3699 |
||
3700 |
static void |
|
5450 | 3701 |
spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx, |
3702 |
const char *config, const char *entry) |
|
2082 | 3703 |
{ |
3704 |
nvlist_t *nvroot; |
|
5450 | 3705 |
nvlist_t **list; |
2082 | 3706 |
int i; |
3707 |
||
5450 | 3708 |
if (!sav->sav_sync) |
2082 | 3709 |
return; |
3710 |
||
3711 |
/* |
|
5450 | 3712 |
* Update the MOS nvlist describing the list of available devices. |
3713 |
* spa_validate_aux() will have already made sure this nvlist is |
|
4451 | 3714 |
* valid and the vdevs are labeled appropriately. |
2082 | 3715 |
*/ |
5450 | 3716 |
if (sav->sav_object == 0) { |
3717 |
sav->sav_object = dmu_object_alloc(spa->spa_meta_objset, |
|
3718 |
DMU_OT_PACKED_NVLIST, 1 << 14, DMU_OT_PACKED_NVLIST_SIZE, |
|
3719 |
sizeof (uint64_t), tx); |
|
2082 | 3720 |
VERIFY(zap_update(spa->spa_meta_objset, |
5450 | 3721 |
DMU_POOL_DIRECTORY_OBJECT, entry, sizeof (uint64_t), 1, |
3722 |
&sav->sav_object, tx) == 0); |
|
2082 | 3723 |
} |
3724 |
||
3725 |
VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
5450 | 3726 |
if (sav->sav_count == 0) { |
3727 |
VERIFY(nvlist_add_nvlist_array(nvroot, config, NULL, 0) == 0); |
|
2082 | 3728 |
} else { |
5450 | 3729 |
list = kmem_alloc(sav->sav_count * sizeof (void *), KM_SLEEP); |
3730 |
for (i = 0; i < sav->sav_count; i++) |
|
3731 |
list[i] = vdev_config_generate(spa, sav->sav_vdevs[i], |
|
3732 |
B_FALSE, B_FALSE, B_TRUE); |
|
3733 |
VERIFY(nvlist_add_nvlist_array(nvroot, config, list, |
|
3734 |
sav->sav_count) == 0); |
|
3735 |
for (i = 0; i < sav->sav_count; i++) |
|
3736 |
nvlist_free(list[i]); |
|
3737 |
kmem_free(list, sav->sav_count * sizeof (void *)); |
|
2082 | 3738 |
} |
3739 |
||
5450 | 3740 |
spa_sync_nvlist(spa, sav->sav_object, nvroot, tx); |
2926 | 3741 |
nvlist_free(nvroot); |
2082 | 3742 |
|
5450 | 3743 |
sav->sav_sync = B_FALSE; |
2082 | 3744 |
} |
3745 |
||
3746 |
static void |
|
789 | 3747 |
spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
3748 |
{ |
|
3749 |
nvlist_t *config; |
|
3750 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3751 |
if (list_is_empty(&spa->spa_config_dirty_list)) |
789 | 3752 |
return; |
3753 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3754 |
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3755 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3756 |
config = spa_config_generate(spa, spa->spa_root_vdev, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3757 |
dmu_tx_get_txg(tx), B_FALSE); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3758 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3759 |
spa_config_exit(spa, SCL_STATE, FTAG); |
789 | 3760 |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3761 |
if (spa->spa_config_syncing) |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3762 |
nvlist_free(spa->spa_config_syncing); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3763 |
spa->spa_config_syncing = config; |
789 | 3764 |
|
2082 | 3765 |
spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
789 | 3766 |
} |
3767 |
||
5094 | 3768 |
/* |
3769 |
* Set zpool properties. |
|
3770 |
*/ |
|
3912 | 3771 |
static void |
4543 | 3772 |
spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
3912 | 3773 |
{ |
3774 |
spa_t *spa = arg1; |
|
5094 | 3775 |
objset_t *mos = spa->spa_meta_objset; |
3912 | 3776 |
nvlist_t *nvp = arg2; |
5094 | 3777 |
nvpair_t *elem; |
4451 | 3778 |
uint64_t intval; |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3779 |
char *strval; |
5094 | 3780 |
zpool_prop_t prop; |
3781 |
const char *propname; |
|
3782 |
zprop_type_t proptype; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3783 |
spa_config_dirent_t *dp; |
5094 | 3784 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3785 |
mutex_enter(&spa->spa_props_lock); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3786 |
|
5094 | 3787 |
elem = NULL; |
3788 |
while ((elem = nvlist_next_nvpair(nvp, elem))) { |
|
3789 |
switch (prop = zpool_name_to_prop(nvpair_name(elem))) { |
|
3790 |
case ZPOOL_PROP_VERSION: |
|
3791 |
/* |
|
3792 |
* Only set version for non-zpool-creation cases |
|
3793 |
* (set/import). spa_create() needs special care |
|
3794 |
* for version setting. |
|
3795 |
*/ |
|
3796 |
if (tx->tx_txg != TXG_INITIAL) { |
|
3797 |
VERIFY(nvpair_value_uint64(elem, |
|
3798 |
&intval) == 0); |
|
3799 |
ASSERT(intval <= SPA_VERSION); |
|
3800 |
ASSERT(intval >= spa_version(spa)); |
|
3801 |
spa->spa_uberblock.ub_version = intval; |
|
3802 |
vdev_config_dirty(spa->spa_root_vdev); |
|
3803 |
} |
|
3804 |
break; |
|
3805 |
||
3806 |
case ZPOOL_PROP_ALTROOT: |
|
3807 |
/* |
|
3808 |
* 'altroot' is a non-persistent property. It should |
|
3809 |
* have been set temporarily at creation or import time. |
|
3810 |
*/ |
|
3811 |
ASSERT(spa->spa_root != NULL); |
|
3812 |
break; |
|
3813 |
||
5363 | 3814 |
case ZPOOL_PROP_CACHEFILE: |
5094 | 3815 |
/* |
5363 | 3816 |
* 'cachefile' is a non-persistent property, but note |
3817 |
* an async request that the config cache needs to be |
|
3818 |
* udpated. |
|
5094 | 3819 |
*/ |
5363 | 3820 |
VERIFY(nvpair_value_string(elem, &strval) == 0); |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3821 |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3822 |
dp = kmem_alloc(sizeof (spa_config_dirent_t), KM_SLEEP); |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3823 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3824 |
if (strval[0] == '\0') |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3825 |
dp->scd_path = spa_strdup(spa_config_path); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3826 |
else if (strcmp(strval, "none") == 0) |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3827 |
dp->scd_path = NULL; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3828 |
else |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3829 |
dp->scd_path = spa_strdup(strval); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3830 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
3831 |
list_insert_head(&spa->spa_config_list, dp); |
5363 | 3832 |
spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
4543 | 3833 |
break; |
5094 | 3834 |
default: |
3835 |
/* |
|
3836 |
* Set pool property values in the poolprops mos object. |
|
3837 |
*/ |
|
3838 |
if (spa->spa_pool_props_object == 0) { |
|
3839 |
objset_t *mos = spa->spa_meta_objset; |
|
3840 |
||
3841 |
VERIFY((spa->spa_pool_props_object = |
|
3842 |
zap_create(mos, DMU_OT_POOL_PROPS, |
|
3843 |
DMU_OT_NONE, 0, tx)) > 0); |
|
3844 |
||
3845 |
VERIFY(zap_update(mos, |
|
3846 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, |
|
3847 |
8, 1, &spa->spa_pool_props_object, tx) |
|
3848 |
== 0); |
|
3849 |
} |
|
3850 |
||
3851 |
/* normalize the property name */ |
|
3852 |
propname = zpool_prop_to_name(prop); |
|
3853 |
proptype = zpool_prop_get_type(prop); |
|
3854 |
||
3855 |
if (nvpair_type(elem) == DATA_TYPE_STRING) { |
|
3856 |
ASSERT(proptype == PROP_TYPE_STRING); |
|
3857 |
VERIFY(nvpair_value_string(elem, &strval) == 0); |
|
3858 |
VERIFY(zap_update(mos, |
|
3859 |
spa->spa_pool_props_object, propname, |
|
3860 |
1, strlen(strval) + 1, strval, tx) == 0); |
|
3861 |
||
3862 |
} else if (nvpair_type(elem) == DATA_TYPE_UINT64) { |
|
3863 |
VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
|
3864 |
||
3865 |
if (proptype == PROP_TYPE_INDEX) { |
|
3866 |
const char *unused; |
|
3867 |
VERIFY(zpool_prop_index_to_string( |
|
3868 |
prop, intval, &unused) == 0); |
|
3869 |
} |
|
3870 |
VERIFY(zap_update(mos, |
|
3871 |
spa->spa_pool_props_object, propname, |
|
3872 |
8, 1, &intval, tx) == 0); |
|
3873 |
} else { |
|
3874 |
ASSERT(0); /* not allowed */ |
|
3875 |
} |
|
3876 |
||
5329 | 3877 |
switch (prop) { |
3878 |
case ZPOOL_PROP_DELEGATION: |
|
5094 | 3879 |
spa->spa_delegation = intval; |
5329 | 3880 |
break; |
3881 |
case ZPOOL_PROP_BOOTFS: |
|
5094 | 3882 |
spa->spa_bootfs = intval; |
5329 | 3883 |
break; |
3884 |
case ZPOOL_PROP_FAILUREMODE: |
|
3885 |
spa->spa_failmode = intval; |
|
3886 |
break; |
|
3887 |
default: |
|
3888 |
break; |
|
3889 |
} |
|
3912 | 3890 |
} |
5094 | 3891 |
|
3892 |
/* log internal history if this is not a zpool create */ |
|
3893 |
if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && |
|
3894 |
tx->tx_txg != TXG_INITIAL) { |
|
3895 |
spa_history_internal_log(LOG_POOL_PROPSET, |
|
3896 |
spa, tx, cr, "%s %lld %s", |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3897 |
nvpair_name(elem), intval, spa_name(spa)); |
5094 | 3898 |
} |
3912 | 3899 |
} |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3900 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3901 |
mutex_exit(&spa->spa_props_lock); |
3912 | 3902 |
} |
3903 |
||
789 | 3904 |
/* |
3905 |
* Sync the specified transaction group. New blocks may be dirtied as |
|
3906 |
* part of the process, so we iterate until it converges. |
|
3907 |
*/ |
|
3908 |
void |
|
3909 |
spa_sync(spa_t *spa, uint64_t txg) |
|
3910 |
{ |
|
3911 |
dsl_pool_t *dp = spa->spa_dsl_pool; |
|
3912 |
objset_t *mos = spa->spa_meta_objset; |
|
3913 |
bplist_t *bpl = &spa->spa_sync_bplist; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3914 |
vdev_t *rvd = spa->spa_root_vdev; |
789 | 3915 |
vdev_t *vd; |
3916 |
dmu_tx_t *tx; |
|
3917 |
int dirty_vdevs; |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3918 |
int error; |
789 | 3919 |
|
3920 |
/* |
|
3921 |
* Lock out configuration changes. |
|
3922 |
*/ |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3923 |
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); |
789 | 3924 |
|
3925 |
spa->spa_syncing_txg = txg; |
|
3926 |
spa->spa_sync_pass = 0; |
|
3927 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3928 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3929 |
* If there are any pending vdev state changes, convert them |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3930 |
* into config changes that go out with this transaction group. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3931 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3932 |
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3933 |
while ((vd = list_head(&spa->spa_state_dirty_list)) != NULL) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3934 |
vdev_state_clean(vd); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3935 |
vdev_config_dirty(vd); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3936 |
} |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3937 |
spa_config_exit(spa, SCL_STATE, FTAG); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
3938 |
|
1544 | 3939 |
VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
789 | 3940 |
|
2082 | 3941 |
tx = dmu_tx_create_assigned(dp, txg); |
3942 |
||
3943 |
/* |
|
4577 | 3944 |
* If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
2082 | 3945 |
* set spa_deflate if we have no raid-z vdevs. |
3946 |
*/ |
|
4577 | 3947 |
if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
3948 |
spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) { |
|
2082 | 3949 |
int i; |
3950 |
||
3951 |
for (i = 0; i < rvd->vdev_children; i++) { |
|
3952 |
vd = rvd->vdev_child[i]; |
|
3953 |
if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) |
|
3954 |
break; |
|
3955 |
} |
|
3956 |
if (i == rvd->vdev_children) { |
|
3957 |
spa->spa_deflate = TRUE; |
|
3958 |
VERIFY(0 == zap_add(spa->spa_meta_objset, |
|
3959 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, |
|
3960 |
sizeof (uint64_t), 1, &spa->spa_deflate, tx)); |
|
3961 |
} |
|
3962 |
} |
|
3963 |
||
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3964 |
if (spa->spa_ubsync.ub_version < SPA_VERSION_ORIGIN && |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3965 |
spa->spa_uberblock.ub_version >= SPA_VERSION_ORIGIN) { |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3966 |
dsl_pool_create_origin(dp, tx); |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3967 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3968 |
/* Keeping the origin open increases spa_minref */ |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3969 |
spa->spa_minref += 3; |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3970 |
} |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3971 |
|
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3972 |
if (spa->spa_ubsync.ub_version < SPA_VERSION_NEXT_CLONES && |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3973 |
spa->spa_uberblock.ub_version >= SPA_VERSION_NEXT_CLONES) { |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3974 |
dsl_pool_upgrade_clones(dp, tx); |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3975 |
} |
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
3976 |
|
789 | 3977 |
/* |
3978 |
* If anything has changed in this txg, push the deferred frees |
|
3979 |
* from the previous txg. If not, leave them alone so that we |
|
3980 |
* don't generate work on an otherwise idle system. |
|
3981 |
*/ |
|
3982 |
if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || |
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
3983 |
!txg_list_empty(&dp->dp_dirty_dirs, txg) || |
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
3984 |
!txg_list_empty(&dp->dp_sync_tasks, txg)) |
789 | 3985 |
spa_sync_deferred_frees(spa, txg); |
3986 |
||
3987 |
/* |
|
3988 |
* Iterate to convergence. |
|
3989 |
*/ |
|
3990 |
do { |
|
3991 |
spa->spa_sync_pass++; |
|
3992 |
||
3993 |
spa_sync_config_object(spa, tx); |
|
5450 | 3994 |
spa_sync_aux_dev(spa, &spa->spa_spares, tx, |
3995 |
ZPOOL_CONFIG_SPARES, DMU_POOL_SPARES); |
|
3996 |
spa_sync_aux_dev(spa, &spa->spa_l2cache, tx, |
|
3997 |
ZPOOL_CONFIG_L2CACHE, DMU_POOL_L2CACHE); |
|
1544 | 3998 |
spa_errlog_sync(spa, txg); |
789 | 3999 |
dsl_pool_sync(dp, txg); |
4000 |
||
4001 |
dirty_vdevs = 0; |
|
4002 |
while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) { |
|
4003 |
vdev_sync(vd, txg); |
|
4004 |
dirty_vdevs++; |
|
4005 |
} |
|
4006 |
||
4007 |
bplist_sync(bpl, tx); |
|
4008 |
} while (dirty_vdevs); |
|
4009 |
||
4010 |
bplist_close(bpl); |
|
4011 |
||
4012 |
dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass); |
|
4013 |
||
4014 |
/* |
|
4015 |
* Rewrite the vdev configuration (which includes the uberblock) |
|
4016 |
* to commit the transaction group. |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4017 |
* |
5688
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4018 |
* If there are no dirty vdevs, we sync the uberblock to a few |
c0b02c8fd2c0
6640580 spa_get_random() is insanely slow in userland
bonwick
parents:
5621
diff
changeset
|
4019 |
* random top-level vdevs that are known to be visible in the |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4020 |
* config cache (see spa_vdev_add() for a complete description). |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4021 |
* If there *are* dirty vdevs, sync the uberblock to all vdevs. |
789 | 4022 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4023 |
for (;;) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4024 |
/* |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4025 |
* We hold SCL_STATE to prevent vdev open/close/etc. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4026 |
* while we're attempting to write the vdev labels. |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4027 |
*/ |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4028 |
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4029 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4030 |
if (list_is_empty(&spa->spa_config_dirty_list)) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4031 |
vdev_t *svd[SPA_DVAS_PER_BP]; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4032 |
int svdcount = 0; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4033 |
int children = rvd->vdev_children; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4034 |
int c0 = spa_get_random(children); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4035 |
int c; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4036 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4037 |
for (c = 0; c < children; c++) { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4038 |
vd = rvd->vdev_child[(c0 + c) % children]; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4039 |
if (vd->vdev_ms_array == 0 || vd->vdev_islog) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4040 |
continue; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4041 |
svd[svdcount++] = vd; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4042 |
if (svdcount == SPA_DVAS_PER_BP) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4043 |
break; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4044 |
} |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4045 |
error = vdev_config_sync(svd, svdcount, txg); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4046 |
} else { |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4047 |
error = vdev_config_sync(rvd->vdev_child, |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4048 |
rvd->vdev_children, txg); |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4049 |
} |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4050 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4051 |
spa_config_exit(spa, SCL_STATE, FTAG); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4052 |
|
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4053 |
if (error == 0) |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4054 |
break; |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4055 |
zio_suspend(spa, NULL); |
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4056 |
zio_resume_wait(spa); |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4057 |
} |
2082 | 4058 |
dmu_tx_commit(tx); |
4059 |
||
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4060 |
/* |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4061 |
* Clear the dirty config list. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4062 |
*/ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4063 |
while ((vd = list_head(&spa->spa_config_dirty_list)) != NULL) |
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4064 |
vdev_config_clean(vd); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4065 |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4066 |
/* |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4067 |
* Now that the new config has synced transactionally, |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4068 |
* let it become visible to the config cache. |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4069 |
*/ |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4070 |
if (spa->spa_config_syncing != NULL) { |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4071 |
spa_config_set(spa, spa->spa_config_syncing); |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4072 |
spa->spa_config_txg = txg; |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4073 |
spa->spa_config_syncing = NULL; |
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
4074 |
} |
789 | 4075 |
|
4076 |
spa->spa_ubsync = spa->spa_uberblock; |
|
4077 |
||
4078 |
/* |
|
4079 |
* Clean up the ZIL records for the synced txg. |
|
4080 |
*/ |
|
4081 |
dsl_pool_zil_clean(dp); |
|
4082 |
||
4083 |
/* |
|
4084 |
* Update usable space statistics. |
|
4085 |
*/ |
|
4086 |
while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) |
|
4087 |
vdev_sync_done(vd, txg); |
|
4088 |
||
4089 |
/* |
|
4090 |
* It had better be the case that we didn't dirty anything |
|
2082 | 4091 |
* since vdev_config_sync(). |
789 | 4092 |
*/ |
4093 |
ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); |
|
4094 |
ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); |
|
4095 |
ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); |
|
4096 |
ASSERT(bpl->bpl_queue == NULL); |
|
4097 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4098 |
spa_config_exit(spa, SCL_CONFIG, FTAG); |
1544 | 4099 |
|
4100 |
/* |
|
4101 |
* If any async tasks have been requested, kick them off. |
|
4102 |
*/ |
|
4103 |
spa_async_dispatch(spa); |
|
789 | 4104 |
} |
4105 |
||
4106 |
/* |
|
4107 |
* Sync all pools. We don't want to hold the namespace lock across these |
|
4108 |
* operations, so we take a reference on the spa_t and drop the lock during the |
|
4109 |
* sync. |
|
4110 |
*/ |
|
4111 |
void |
|
4112 |
spa_sync_allpools(void) |
|
4113 |
{ |
|
4114 |
spa_t *spa = NULL; |
|
4115 |
mutex_enter(&spa_namespace_lock); |
|
4116 |
while ((spa = spa_next(spa)) != NULL) { |
|
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4117 |
if (spa_state(spa) != POOL_STATE_ACTIVE || spa_suspended(spa)) |
789 | 4118 |
continue; |
4119 |
spa_open_ref(spa, FTAG); |
|
4120 |
mutex_exit(&spa_namespace_lock); |
|
4121 |
txg_wait_synced(spa_get_dsl(spa), 0); |
|
4122 |
mutex_enter(&spa_namespace_lock); |
|
4123 |
spa_close(spa, FTAG); |
|
4124 |
} |
|
4125 |
mutex_exit(&spa_namespace_lock); |
|
4126 |
} |
|
4127 |
||
4128 |
/* |
|
4129 |
* ========================================================================== |
|
4130 |
* Miscellaneous routines |
|
4131 |
* ========================================================================== |
|
4132 |
*/ |
|
4133 |
||
4134 |
/* |
|
4135 |
* Remove all pools in the system. |
|
4136 |
*/ |
|
4137 |
void |
|
4138 |
spa_evict_all(void) |
|
4139 |
{ |
|
4140 |
spa_t *spa; |
|
4141 |
||
4142 |
/* |
|
4143 |
* Remove all cached state. All pools should be closed now, |
|
4144 |
* so every spa in the AVL tree should be unreferenced. |
|
4145 |
*/ |
|
4146 |
mutex_enter(&spa_namespace_lock); |
|
4147 |
while ((spa = spa_next(NULL)) != NULL) { |
|
4148 |
/* |
|
1544 | 4149 |
* Stop async tasks. The async thread may need to detach |
4150 |
* a device that's been replaced, which requires grabbing |
|
4151 |
* spa_namespace_lock, so we must drop it here. |
|
789 | 4152 |
*/ |
4153 |
spa_open_ref(spa, FTAG); |
|
4154 |
mutex_exit(&spa_namespace_lock); |
|
1544 | 4155 |
spa_async_suspend(spa); |
4808 | 4156 |
mutex_enter(&spa_namespace_lock); |
789 | 4157 |
spa_close(spa, FTAG); |
4158 |
||
4159 |
if (spa->spa_state != POOL_STATE_UNINITIALIZED) { |
|
4160 |
spa_unload(spa); |
|
4161 |
spa_deactivate(spa); |
|
4162 |
} |
|
4163 |
spa_remove(spa); |
|
4164 |
} |
|
4165 |
mutex_exit(&spa_namespace_lock); |
|
4166 |
} |
|
1544 | 4167 |
|
4168 |
vdev_t * |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4169 |
spa_lookup_by_guid(spa_t *spa, uint64_t guid, boolean_t l2cache) |
1544 | 4170 |
{ |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4171 |
vdev_t *vd; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4172 |
int i; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4173 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4174 |
if ((vd = vdev_lookup_by_guid(spa->spa_root_vdev, guid)) != NULL) |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4175 |
return (vd); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4176 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4177 |
if (l2cache) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4178 |
for (i = 0; i < spa->spa_l2cache.sav_count; i++) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4179 |
vd = spa->spa_l2cache.sav_vdevs[i]; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4180 |
if (vd->vdev_guid == guid) |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4181 |
return (vd); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4182 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4183 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4184 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6615
diff
changeset
|
4185 |
return (NULL); |
1544 | 4186 |
} |
1760 | 4187 |
|
4188 |
void |
|
5094 | 4189 |
spa_upgrade(spa_t *spa, uint64_t version) |
1760 | 4190 |
{ |
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4191 |
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER); |
1760 | 4192 |
|
4193 |
/* |
|
4194 |
* This should only be called for a non-faulted pool, and since a |
|
4195 |
* future version would result in an unopenable pool, this shouldn't be |
|
4196 |
* possible. |
|
4197 |
*/ |
|
4577 | 4198 |
ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
5094 | 4199 |
ASSERT(version >= spa->spa_uberblock.ub_version); |
4200 |
||
4201 |
spa->spa_uberblock.ub_version = version; |
|
1760 | 4202 |
vdev_config_dirty(spa->spa_root_vdev); |
4203 |
||
7754
b80e4842ad54
6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents:
7706
diff
changeset
|
4204 |
spa_config_exit(spa, SCL_ALL, FTAG); |
2082 | 4205 |
|
4206 |
txg_wait_synced(spa_get_dsl(spa), 0); |
|
1760 | 4207 |
} |
2082 | 4208 |
|
4209 |
boolean_t |
|
4210 |
spa_has_spare(spa_t *spa, uint64_t guid) |
|
4211 |
{ |
|
4212 |
int i; |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4213 |
uint64_t spareguid; |
5450 | 4214 |
spa_aux_vdev_t *sav = &spa->spa_spares; |
4215 |
||
4216 |
for (i = 0; i < sav->sav_count; i++) |
|
4217 |
if (sav->sav_vdevs[i]->vdev_guid == guid) |
|
2082 | 4218 |
return (B_TRUE); |
4219 |
||
5450 | 4220 |
for (i = 0; i < sav->sav_npending; i++) { |
4221 |
if (nvlist_lookup_uint64(sav->sav_pending[i], ZPOOL_CONFIG_GUID, |
|
4222 |
&spareguid) == 0 && spareguid == guid) |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4223 |
return (B_TRUE); |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4224 |
} |
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
4225 |
|
2082 | 4226 |
return (B_FALSE); |
4227 |
} |
|
3912 | 4228 |
|
4451 | 4229 |
/* |
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4230 |
* Check if a pool has an active shared spare device. |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4231 |
* Note: reference count of an active spare is 2, as a spare and as a replace |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4232 |
*/ |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4233 |
static boolean_t |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4234 |
spa_has_active_shared_spare(spa_t *spa) |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4235 |
{ |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4236 |
int i, refcnt; |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4237 |
uint64_t pool; |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4238 |
spa_aux_vdev_t *sav = &spa->spa_spares; |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4239 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4240 |
for (i = 0; i < sav->sav_count; i++) { |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4241 |
if (spa_spare_exists(sav->sav_vdevs[i]->vdev_guid, &pool, |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4242 |
&refcnt) && pool != 0ULL && pool == spa_guid(spa) && |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4243 |
refcnt > 2) |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4244 |
return (B_TRUE); |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4245 |
} |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4246 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4247 |
return (B_FALSE); |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4248 |
} |
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4249 |
|
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
4250 |
/* |
4451 | 4251 |
* Post a sysevent corresponding to the given event. The 'name' must be one of |
4252 |
* the event definitions in sys/sysevent/eventdefs.h. The payload will be |
|
4253 |
* filled in from the spa and (optionally) the vdev. This doesn't do anything |
|
4254 |
* in the userland libzpool, as we don't want consumers to misinterpret ztest |
|
4255 |
* or zdb as real changes. |
|
4256 |
*/ |
|
4257 |
void |
|
4258 |
spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) |
|
4259 |
{ |
|
4260 |
#ifdef _KERNEL |
|
4261 |
sysevent_t *ev; |
|
4262 |
sysevent_attr_list_t *attr = NULL; |
|
4263 |
sysevent_value_t value; |
|
4264 |
sysevent_id_t eid; |
|
4265 |
||
4266 |
ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", |
|
4267 |
SE_SLEEP); |
|
4268 |
||
4269 |
value.value_type = SE_DATA_TYPE_STRING; |
|
4270 |
value.value.sv_string = spa_name(spa); |
|
4271 |
if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) |
|
4272 |
goto done; |
|
4273 |
||
4274 |
value.value_type = SE_DATA_TYPE_UINT64; |
|
4275 |
value.value.sv_uint64 = spa_guid(spa); |
|
4276 |
if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) |
|
4277 |
goto done; |
|
4278 |
||
4279 |
if (vd) { |
|
4280 |
value.value_type = SE_DATA_TYPE_UINT64; |
|
4281 |
value.value.sv_uint64 = vd->vdev_guid; |
|
4282 |
if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, |
|
4283 |
SE_SLEEP) != 0) |
|
4284 |
goto done; |
|
4285 |
||
4286 |
if (vd->vdev_path) { |
|
4287 |
value.value_type = SE_DATA_TYPE_STRING; |
|
4288 |
value.value.sv_string = vd->vdev_path; |
|
4289 |
if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, |
|
4290 |
&value, SE_SLEEP) != 0) |
|
4291 |
goto done; |
|
4292 |
} |
|
4293 |
} |
|
4294 |
||
5756
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4295 |
if (sysevent_attach_attributes(ev, attr) != 0) |
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4296 |
goto done; |
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4297 |
attr = NULL; |
05eb4c1ff492
6585441 spa_event_notify() doesn't pass its attributes
eschrock
parents:
5688
diff
changeset
|
4298 |
|
4451 | 4299 |
(void) log_sysevent(ev, SE_SLEEP, &eid); |
4300 |
||
4301 |
done: |
|
4302 |
if (attr) |
|
4303 |
sysevent_free_attr(attr); |
|
4304 |
sysevent_free(ev); |
|
4305 |
#endif |
|
4306 |
} |