| author | lling |
| Wed, 19 Sep 2007 10:32:40 -0700 | |
| changeset 5094 | 71a3e95fb9e2 |
| parent 4831 | 41ec732c6d9f |
| child 5329 | 33cb98223b2d |
| permissions | -rw-r--r-- |
| 789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
|
| 1544 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
| 789 | 7 |
* |
8 |
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
|
9 |
* or http://www.opensolaris.org/os/licensing. |
|
10 |
* See the License for the specific language governing permissions |
|
11 |
* and limitations under the License. |
|
12 |
* |
|
13 |
* When distributing Covered Code, include this CDDL HEADER in each |
|
14 |
* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
|
15 |
* If applicable, add the following below this CDDL HEADER, with the |
|
16 |
* fields enclosed by brackets "[]" replaced with your own identifying |
|
17 |
* information: Portions Copyright [yyyy] [name of copyright owner] |
|
18 |
* |
|
19 |
* CDDL HEADER END |
|
20 |
*/ |
|
| 2082 | 21 |
|
| 789 | 22 |
/* |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
23 |
* Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
| 789 | 24 |
* Use is subject to license terms. |
25 |
*/ |
|
26 |
||
27 |
#pragma ident "%Z%%M% %I% %E% SMI" |
|
28 |
||
29 |
/* |
|
30 |
* This file contains all the routines used when modifying on-disk SPA state. |
|
31 |
* This includes opening, importing, destroying, exporting a pool, and syncing a |
|
32 |
* pool. |
|
33 |
*/ |
|
34 |
||
35 |
#include <sys/zfs_context.h> |
|
| 1544 | 36 |
#include <sys/fm/fs/zfs.h> |
| 789 | 37 |
#include <sys/spa_impl.h> |
38 |
#include <sys/zio.h> |
|
39 |
#include <sys/zio_checksum.h> |
|
40 |
#include <sys/zio_compress.h> |
|
41 |
#include <sys/dmu.h> |
|
42 |
#include <sys/dmu_tx.h> |
|
43 |
#include <sys/zap.h> |
|
44 |
#include <sys/zil.h> |
|
45 |
#include <sys/vdev_impl.h> |
|
46 |
#include <sys/metaslab.h> |
|
47 |
#include <sys/uberblock_impl.h> |
|
48 |
#include <sys/txg.h> |
|
49 |
#include <sys/avl.h> |
|
50 |
#include <sys/dmu_traverse.h> |
|
| 3912 | 51 |
#include <sys/dmu_objset.h> |
| 789 | 52 |
#include <sys/unique.h> |
53 |
#include <sys/dsl_pool.h> |
|
| 3912 | 54 |
#include <sys/dsl_dataset.h> |
| 789 | 55 |
#include <sys/dsl_dir.h> |
56 |
#include <sys/dsl_prop.h> |
|
| 3912 | 57 |
#include <sys/dsl_synctask.h> |
| 789 | 58 |
#include <sys/fs/zfs.h> |
59 |
#include <sys/callb.h> |
|
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
60 |
#include <sys/systeminfo.h> |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
61 |
#include <sys/sunddi.h> |
| 789 | 62 |
|
| 5094 | 63 |
#include "zfs_prop.h" |
64 |
||
| 2986 | 65 |
int zio_taskq_threads = 8; |
66 |
||
| 5094 | 67 |
static void spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx); |
68 |
||
69 |
/* |
|
70 |
* ========================================================================== |
|
71 |
* SPA properties routines |
|
72 |
* ========================================================================== |
|
73 |
*/ |
|
74 |
||
75 |
/* |
|
76 |
* Add a (source=src, propname=propval) list to an nvlist. |
|
77 |
*/ |
|
78 |
static int |
|
79 |
spa_prop_add_list(nvlist_t *nvl, zpool_prop_t prop, char *strval, |
|
80 |
uint64_t intval, zprop_source_t src) |
|
81 |
{
|
|
82 |
const char *propname = zpool_prop_to_name(prop); |
|
83 |
nvlist_t *propval; |
|
84 |
int err = 0; |
|
85 |
||
86 |
if (err = nvlist_alloc(&propval, NV_UNIQUE_NAME, KM_SLEEP)) |
|
87 |
return (err); |
|
88 |
||
89 |
if (err = nvlist_add_uint64(propval, ZPROP_SOURCE, src)) |
|
90 |
goto out; |
|
91 |
||
92 |
if (strval != NULL) {
|
|
93 |
if (err = nvlist_add_string(propval, ZPROP_VALUE, strval)) |
|
94 |
goto out; |
|
95 |
} else {
|
|
96 |
if (err = nvlist_add_uint64(propval, ZPROP_VALUE, intval)) |
|
97 |
goto out; |
|
98 |
} |
|
99 |
||
100 |
err = nvlist_add_nvlist(nvl, propname, propval); |
|
101 |
out: |
|
102 |
nvlist_free(propval); |
|
103 |
return (err); |
|
104 |
} |
|
105 |
||
106 |
/* |
|
107 |
* Get property values from the spa configuration. |
|
108 |
*/ |
|
109 |
static int |
|
110 |
spa_prop_get_config(spa_t *spa, nvlist_t **nvp) |
|
111 |
{
|
|
112 |
uint64_t size = spa_get_space(spa); |
|
113 |
uint64_t used = spa_get_alloc(spa); |
|
114 |
uint64_t cap, version; |
|
115 |
zprop_source_t src = ZPROP_SRC_NONE; |
|
116 |
int err; |
|
117 |
||
118 |
/* |
|
119 |
* readonly properties |
|
120 |
*/ |
|
121 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_NAME, spa->spa_name, |
|
122 |
0, src)) |
|
123 |
return (err); |
|
124 |
||
125 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_SIZE, NULL, size, src)) |
|
126 |
return (err); |
|
127 |
||
128 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_USED, NULL, used, src)) |
|
129 |
return (err); |
|
130 |
||
131 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_AVAILABLE, NULL, |
|
132 |
size - used, src)) |
|
133 |
return (err); |
|
134 |
||
135 |
cap = (size == 0) ? 0 : (used * 100 / size); |
|
136 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_CAPACITY, NULL, cap, src)) |
|
137 |
return (err); |
|
138 |
||
139 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_GUID, NULL, |
|
140 |
spa_guid(spa), src)) |
|
141 |
return (err); |
|
142 |
||
143 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_HEALTH, NULL, |
|
144 |
spa->spa_root_vdev->vdev_state, src)) |
|
145 |
return (err); |
|
146 |
||
147 |
/* |
|
148 |
* settable properties that are not stored in the pool property object. |
|
149 |
*/ |
|
150 |
version = spa_version(spa); |
|
151 |
if (version == zpool_prop_default_numeric(ZPOOL_PROP_VERSION)) |
|
152 |
src = ZPROP_SRC_DEFAULT; |
|
153 |
else |
|
154 |
src = ZPROP_SRC_LOCAL; |
|
155 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_VERSION, NULL, |
|
156 |
version, src)) |
|
157 |
return (err); |
|
158 |
||
159 |
if (spa->spa_root != NULL) {
|
|
160 |
src = ZPROP_SRC_LOCAL; |
|
161 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_ALTROOT, |
|
162 |
spa->spa_root, 0, src)) |
|
163 |
return (err); |
|
164 |
} |
|
165 |
||
166 |
if (spa->spa_temporary == |
|
167 |
zpool_prop_default_numeric(ZPOOL_PROP_TEMPORARY)) |
|
168 |
src = ZPROP_SRC_DEFAULT; |
|
169 |
else |
|
170 |
src = ZPROP_SRC_LOCAL; |
|
171 |
if (err = spa_prop_add_list(*nvp, ZPOOL_PROP_TEMPORARY, NULL, |
|
172 |
spa->spa_temporary, src)) |
|
173 |
return (err); |
|
174 |
||
175 |
return (0); |
|
176 |
} |
|
177 |
||
178 |
/* |
|
179 |
* Get zpool property values. |
|
180 |
*/ |
|
181 |
int |
|
182 |
spa_prop_get(spa_t *spa, nvlist_t **nvp) |
|
183 |
{
|
|
184 |
zap_cursor_t zc; |
|
185 |
zap_attribute_t za; |
|
186 |
objset_t *mos = spa->spa_meta_objset; |
|
187 |
int err; |
|
188 |
||
189 |
if (err = nvlist_alloc(nvp, NV_UNIQUE_NAME, KM_SLEEP)) |
|
190 |
return (err); |
|
191 |
||
192 |
/* |
|
193 |
* Get properties from the spa config. |
|
194 |
*/ |
|
195 |
if (err = spa_prop_get_config(spa, nvp)) |
|
196 |
goto out; |
|
197 |
||
198 |
mutex_enter(&spa->spa_props_lock); |
|
199 |
/* If no pool property object, no more prop to get. */ |
|
200 |
if (spa->spa_pool_props_object == 0) {
|
|
201 |
mutex_exit(&spa->spa_props_lock); |
|
202 |
return (0); |
|
203 |
} |
|
204 |
||
205 |
/* |
|
206 |
* Get properties from the MOS pool property object. |
|
207 |
*/ |
|
208 |
for (zap_cursor_init(&zc, mos, spa->spa_pool_props_object); |
|
209 |
(err = zap_cursor_retrieve(&zc, &za)) == 0; |
|
210 |
zap_cursor_advance(&zc)) {
|
|
211 |
uint64_t intval = 0; |
|
212 |
char *strval = NULL; |
|
213 |
zprop_source_t src = ZPROP_SRC_DEFAULT; |
|
214 |
zpool_prop_t prop; |
|
215 |
||
216 |
if ((prop = zpool_name_to_prop(za.za_name)) == ZPROP_INVAL) |
|
217 |
continue; |
|
218 |
||
219 |
switch (za.za_integer_length) {
|
|
220 |
case 8: |
|
221 |
/* integer property */ |
|
222 |
if (za.za_first_integer != |
|
223 |
zpool_prop_default_numeric(prop)) |
|
224 |
src = ZPROP_SRC_LOCAL; |
|
225 |
||
226 |
if (prop == ZPOOL_PROP_BOOTFS) {
|
|
227 |
dsl_pool_t *dp; |
|
228 |
dsl_dataset_t *ds = NULL; |
|
229 |
||
230 |
dp = spa_get_dsl(spa); |
|
231 |
rw_enter(&dp->dp_config_rwlock, RW_READER); |
|
232 |
if (err = dsl_dataset_open_obj(dp, |
|
233 |
za.za_first_integer, NULL, DS_MODE_NONE, |
|
234 |
FTAG, &ds)) {
|
|
235 |
rw_exit(&dp->dp_config_rwlock); |
|
236 |
break; |
|
237 |
} |
|
238 |
||
239 |
strval = kmem_alloc( |
|
240 |
MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, |
|
241 |
KM_SLEEP); |
|
242 |
dsl_dataset_name(ds, strval); |
|
243 |
dsl_dataset_close(ds, DS_MODE_NONE, FTAG); |
|
244 |
rw_exit(&dp->dp_config_rwlock); |
|
245 |
} else {
|
|
246 |
strval = NULL; |
|
247 |
intval = za.za_first_integer; |
|
248 |
} |
|
249 |
||
250 |
err = spa_prop_add_list(*nvp, prop, strval, |
|
251 |
intval, src); |
|
252 |
||
253 |
if (strval != NULL) |
|
254 |
kmem_free(strval, |
|
255 |
MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); |
|
256 |
||
257 |
break; |
|
258 |
||
259 |
case 1: |
|
260 |
/* string property */ |
|
261 |
strval = kmem_alloc(za.za_num_integers, KM_SLEEP); |
|
262 |
err = zap_lookup(mos, spa->spa_pool_props_object, |
|
263 |
za.za_name, 1, za.za_num_integers, strval); |
|
264 |
if (err) {
|
|
265 |
kmem_free(strval, za.za_num_integers); |
|
266 |
break; |
|
267 |
} |
|
268 |
err = spa_prop_add_list(*nvp, prop, strval, 0, src); |
|
269 |
kmem_free(strval, za.za_num_integers); |
|
270 |
break; |
|
271 |
||
272 |
default: |
|
273 |
break; |
|
274 |
} |
|
275 |
} |
|
276 |
zap_cursor_fini(&zc); |
|
277 |
mutex_exit(&spa->spa_props_lock); |
|
278 |
out: |
|
279 |
if (err && err != ENOENT) {
|
|
280 |
nvlist_free(*nvp); |
|
281 |
return (err); |
|
282 |
} |
|
283 |
||
284 |
return (0); |
|
285 |
} |
|
286 |
||
287 |
/* |
|
288 |
* Validate the given pool properties nvlist and modify the list |
|
289 |
* for the property values to be set. |
|
290 |
*/ |
|
291 |
static int |
|
292 |
spa_prop_validate(spa_t *spa, nvlist_t *props) |
|
293 |
{
|
|
294 |
nvpair_t *elem; |
|
295 |
int error = 0, reset_bootfs = 0; |
|
296 |
uint64_t objnum; |
|
297 |
||
298 |
elem = NULL; |
|
299 |
while ((elem = nvlist_next_nvpair(props, elem)) != NULL) {
|
|
300 |
zpool_prop_t prop; |
|
301 |
char *propname, *strval; |
|
302 |
uint64_t intval; |
|
303 |
vdev_t *rvdev; |
|
304 |
char *vdev_type; |
|
305 |
objset_t *os; |
|
306 |
||
307 |
propname = nvpair_name(elem); |
|
308 |
||
309 |
if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) |
|
310 |
return (EINVAL); |
|
311 |
||
312 |
switch (prop) {
|
|
313 |
case ZPOOL_PROP_VERSION: |
|
314 |
error = nvpair_value_uint64(elem, &intval); |
|
315 |
if (!error && |
|
316 |
(intval < spa_version(spa) || intval > SPA_VERSION)) |
|
317 |
error = EINVAL; |
|
318 |
break; |
|
319 |
||
320 |
case ZPOOL_PROP_DELEGATION: |
|
321 |
case ZPOOL_PROP_AUTOREPLACE: |
|
322 |
error = nvpair_value_uint64(elem, &intval); |
|
323 |
if (!error && intval > 1) |
|
324 |
error = EINVAL; |
|
325 |
break; |
|
326 |
||
327 |
case ZPOOL_PROP_BOOTFS: |
|
328 |
if (spa_version(spa) < SPA_VERSION_BOOTFS) {
|
|
329 |
error = ENOTSUP; |
|
330 |
break; |
|
331 |
} |
|
332 |
||
333 |
/* |
|
334 |
* A bootable filesystem can not be on a RAIDZ pool |
|
335 |
* nor a striped pool with more than 1 device. |
|
336 |
*/ |
|
337 |
rvdev = spa->spa_root_vdev; |
|
338 |
vdev_type = |
|
339 |
rvdev->vdev_child[0]->vdev_ops->vdev_op_type; |
|
340 |
if (rvdev->vdev_children > 1 || |
|
341 |
strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || |
|
342 |
strcmp(vdev_type, VDEV_TYPE_MISSING) == 0) {
|
|
343 |
error = ENOTSUP; |
|
344 |
break; |
|
345 |
} |
|
346 |
||
347 |
reset_bootfs = 1; |
|
348 |
||
349 |
error = nvpair_value_string(elem, &strval); |
|
350 |
||
351 |
if (!error) {
|
|
352 |
if (strval == NULL || strval[0] == '\0') {
|
|
353 |
objnum = zpool_prop_default_numeric( |
|
354 |
ZPOOL_PROP_BOOTFS); |
|
355 |
break; |
|
356 |
} |
|
357 |
||
358 |
if (error = dmu_objset_open(strval, DMU_OST_ZFS, |
|
359 |
DS_MODE_STANDARD | DS_MODE_READONLY, &os)) |
|
360 |
break; |
|
361 |
objnum = dmu_objset_id(os); |
|
362 |
dmu_objset_close(os); |
|
363 |
} |
|
364 |
break; |
|
365 |
} |
|
366 |
||
367 |
if (error) |
|
368 |
break; |
|
369 |
} |
|
370 |
||
371 |
if (!error && reset_bootfs) {
|
|
372 |
error = nvlist_remove(props, |
|
373 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), DATA_TYPE_STRING); |
|
374 |
||
375 |
if (!error) {
|
|
376 |
error = nvlist_add_uint64(props, |
|
377 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), objnum); |
|
378 |
} |
|
379 |
} |
|
380 |
||
381 |
return (error); |
|
382 |
} |
|
383 |
||
384 |
int |
|
385 |
spa_prop_set(spa_t *spa, nvlist_t *nvp) |
|
386 |
{
|
|
387 |
int error; |
|
388 |
||
389 |
if ((error = spa_prop_validate(spa, nvp)) != 0) |
|
390 |
return (error); |
|
391 |
||
392 |
return (dsl_sync_task_do(spa_get_dsl(spa), NULL, spa_sync_props, |
|
393 |
spa, nvp, 3)); |
|
394 |
} |
|
395 |
||
396 |
/* |
|
397 |
* If the bootfs property value is dsobj, clear it. |
|
398 |
*/ |
|
399 |
void |
|
400 |
spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx) |
|
401 |
{
|
|
402 |
if (spa->spa_bootfs == dsobj && spa->spa_pool_props_object != 0) {
|
|
403 |
VERIFY(zap_remove(spa->spa_meta_objset, |
|
404 |
spa->spa_pool_props_object, |
|
405 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), tx) == 0); |
|
406 |
spa->spa_bootfs = 0; |
|
407 |
} |
|
408 |
} |
|
409 |
||
| 789 | 410 |
/* |
411 |
* ========================================================================== |
|
412 |
* SPA state manipulation (open/create/destroy/import/export) |
|
413 |
* ========================================================================== |
|
414 |
*/ |
|
415 |
||
| 1544 | 416 |
static int |
417 |
spa_error_entry_compare(const void *a, const void *b) |
|
418 |
{
|
|
419 |
spa_error_entry_t *sa = (spa_error_entry_t *)a; |
|
420 |
spa_error_entry_t *sb = (spa_error_entry_t *)b; |
|
421 |
int ret; |
|
422 |
||
423 |
ret = bcmp(&sa->se_bookmark, &sb->se_bookmark, |
|
424 |
sizeof (zbookmark_t)); |
|
425 |
||
426 |
if (ret < 0) |
|
427 |
return (-1); |
|
428 |
else if (ret > 0) |
|
429 |
return (1); |
|
430 |
else |
|
431 |
return (0); |
|
432 |
} |
|
433 |
||
434 |
/* |
|
435 |
* Utility function which retrieves copies of the current logs and |
|
436 |
* re-initializes them in the process. |
|
437 |
*/ |
|
438 |
void |
|
439 |
spa_get_errlists(spa_t *spa, avl_tree_t *last, avl_tree_t *scrub) |
|
440 |
{
|
|
441 |
ASSERT(MUTEX_HELD(&spa->spa_errlist_lock)); |
|
442 |
||
443 |
bcopy(&spa->spa_errlist_last, last, sizeof (avl_tree_t)); |
|
444 |
bcopy(&spa->spa_errlist_scrub, scrub, sizeof (avl_tree_t)); |
|
445 |
||
446 |
avl_create(&spa->spa_errlist_scrub, |
|
447 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
448 |
offsetof(spa_error_entry_t, se_avl)); |
|
449 |
avl_create(&spa->spa_errlist_last, |
|
450 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
451 |
offsetof(spa_error_entry_t, se_avl)); |
|
452 |
} |
|
453 |
||
| 789 | 454 |
/* |
455 |
* Activate an uninitialized pool. |
|
456 |
*/ |
|
457 |
static void |
|
458 |
spa_activate(spa_t *spa) |
|
459 |
{
|
|
460 |
int t; |
|
461 |
||
462 |
ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED); |
|
463 |
||
464 |
spa->spa_state = POOL_STATE_ACTIVE; |
|
465 |
||
466 |
spa->spa_normal_class = metaslab_class_create(); |
|
| 4527 | 467 |
spa->spa_log_class = metaslab_class_create(); |
| 789 | 468 |
|
469 |
for (t = 0; t < ZIO_TYPES; t++) {
|
|
470 |
spa->spa_zio_issue_taskq[t] = taskq_create("spa_zio_issue",
|
|
| 2986 | 471 |
zio_taskq_threads, maxclsyspri, 50, INT_MAX, |
| 789 | 472 |
TASKQ_PREPOPULATE); |
473 |
spa->spa_zio_intr_taskq[t] = taskq_create("spa_zio_intr",
|
|
| 2986 | 474 |
zio_taskq_threads, maxclsyspri, 50, INT_MAX, |
| 789 | 475 |
TASKQ_PREPOPULATE); |
476 |
} |
|
477 |
||
478 |
list_create(&spa->spa_dirty_list, sizeof (vdev_t), |
|
479 |
offsetof(vdev_t, vdev_dirty_node)); |
|
480 |
||
481 |
txg_list_create(&spa->spa_vdev_txg_list, |
|
482 |
offsetof(struct vdev, vdev_txg_node)); |
|
| 1544 | 483 |
|
484 |
avl_create(&spa->spa_errlist_scrub, |
|
485 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
486 |
offsetof(spa_error_entry_t, se_avl)); |
|
487 |
avl_create(&spa->spa_errlist_last, |
|
488 |
spa_error_entry_compare, sizeof (spa_error_entry_t), |
|
489 |
offsetof(spa_error_entry_t, se_avl)); |
|
| 789 | 490 |
} |
491 |
||
492 |
/* |
|
493 |
* Opposite of spa_activate(). |
|
494 |
*/ |
|
495 |
static void |
|
496 |
spa_deactivate(spa_t *spa) |
|
497 |
{
|
|
498 |
int t; |
|
499 |
||
500 |
ASSERT(spa->spa_sync_on == B_FALSE); |
|
501 |
ASSERT(spa->spa_dsl_pool == NULL); |
|
502 |
ASSERT(spa->spa_root_vdev == NULL); |
|
503 |
||
504 |
ASSERT(spa->spa_state != POOL_STATE_UNINITIALIZED); |
|
505 |
||
506 |
txg_list_destroy(&spa->spa_vdev_txg_list); |
|
507 |
||
508 |
list_destroy(&spa->spa_dirty_list); |
|
509 |
||
510 |
for (t = 0; t < ZIO_TYPES; t++) {
|
|
511 |
taskq_destroy(spa->spa_zio_issue_taskq[t]); |
|
512 |
taskq_destroy(spa->spa_zio_intr_taskq[t]); |
|
513 |
spa->spa_zio_issue_taskq[t] = NULL; |
|
514 |
spa->spa_zio_intr_taskq[t] = NULL; |
|
515 |
} |
|
516 |
||
517 |
metaslab_class_destroy(spa->spa_normal_class); |
|
518 |
spa->spa_normal_class = NULL; |
|
519 |
||
| 4527 | 520 |
metaslab_class_destroy(spa->spa_log_class); |
521 |
spa->spa_log_class = NULL; |
|
522 |
||
| 1544 | 523 |
/* |
524 |
* If this was part of an import or the open otherwise failed, we may |
|
525 |
* still have errors left in the queues. Empty them just in case. |
|
526 |
*/ |
|
527 |
spa_errlog_drain(spa); |
|
528 |
||
529 |
avl_destroy(&spa->spa_errlist_scrub); |
|
530 |
avl_destroy(&spa->spa_errlist_last); |
|
531 |
||
| 789 | 532 |
spa->spa_state = POOL_STATE_UNINITIALIZED; |
533 |
} |
|
534 |
||
535 |
/* |
|
536 |
* Verify a pool configuration, and construct the vdev tree appropriately. This |
|
537 |
* will create all the necessary vdevs in the appropriate layout, with each vdev |
|
538 |
* in the CLOSED state. This will prep the pool before open/creation/import. |
|
539 |
* All vdev validation is done by the vdev_alloc() routine. |
|
540 |
*/ |
|
| 2082 | 541 |
static int |
542 |
spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, |
|
543 |
uint_t id, int atype) |
|
| 789 | 544 |
{
|
545 |
nvlist_t **child; |
|
546 |
uint_t c, children; |
|
| 2082 | 547 |
int error; |
548 |
||
549 |
if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0) |
|
550 |
return (error); |
|
551 |
||
552 |
if ((*vdp)->vdev_ops->vdev_op_leaf) |
|
553 |
return (0); |
|
| 789 | 554 |
|
555 |
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, |
|
556 |
&child, &children) != 0) {
|
|
| 2082 | 557 |
vdev_free(*vdp); |
558 |
*vdp = NULL; |
|
559 |
return (EINVAL); |
|
| 789 | 560 |
} |
561 |
||
562 |
for (c = 0; c < children; c++) {
|
|
| 2082 | 563 |
vdev_t *vd; |
564 |
if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c, |
|
565 |
atype)) != 0) {
|
|
566 |
vdev_free(*vdp); |
|
567 |
*vdp = NULL; |
|
568 |
return (error); |
|
| 789 | 569 |
} |
570 |
} |
|
571 |
||
| 2082 | 572 |
ASSERT(*vdp != NULL); |
573 |
||
574 |
return (0); |
|
| 789 | 575 |
} |
576 |
||
577 |
/* |
|
578 |
* Opposite of spa_load(). |
|
579 |
*/ |
|
580 |
static void |
|
581 |
spa_unload(spa_t *spa) |
|
582 |
{
|
|
| 2082 | 583 |
int i; |
584 |
||
| 789 | 585 |
/* |
| 1544 | 586 |
* Stop async tasks. |
587 |
*/ |
|
588 |
spa_async_suspend(spa); |
|
589 |
||
590 |
/* |
|
| 789 | 591 |
* Stop syncing. |
592 |
*/ |
|
593 |
if (spa->spa_sync_on) {
|
|
594 |
txg_sync_stop(spa->spa_dsl_pool); |
|
595 |
spa->spa_sync_on = B_FALSE; |
|
596 |
} |
|
597 |
||
598 |
/* |
|
599 |
* Wait for any outstanding prefetch I/O to complete. |
|
600 |
*/ |
|
| 1544 | 601 |
spa_config_enter(spa, RW_WRITER, FTAG); |
602 |
spa_config_exit(spa, FTAG); |
|
| 789 | 603 |
|
604 |
/* |
|
605 |
* Close the dsl pool. |
|
606 |
*/ |
|
607 |
if (spa->spa_dsl_pool) {
|
|
608 |
dsl_pool_close(spa->spa_dsl_pool); |
|
609 |
spa->spa_dsl_pool = NULL; |
|
610 |
} |
|
611 |
||
612 |
/* |
|
613 |
* Close all vdevs. |
|
614 |
*/ |
|
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
615 |
if (spa->spa_root_vdev) |
| 789 | 616 |
vdev_free(spa->spa_root_vdev); |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
617 |
ASSERT(spa->spa_root_vdev == NULL); |
| 1544 | 618 |
|
| 2082 | 619 |
for (i = 0; i < spa->spa_nspares; i++) |
620 |
vdev_free(spa->spa_spares[i]); |
|
621 |
if (spa->spa_spares) {
|
|
622 |
kmem_free(spa->spa_spares, spa->spa_nspares * sizeof (void *)); |
|
623 |
spa->spa_spares = NULL; |
|
624 |
} |
|
625 |
if (spa->spa_sparelist) {
|
|
626 |
nvlist_free(spa->spa_sparelist); |
|
627 |
spa->spa_sparelist = NULL; |
|
628 |
} |
|
629 |
||
| 1544 | 630 |
spa->spa_async_suspended = 0; |
| 789 | 631 |
} |
632 |
||
633 |
/* |
|
| 2082 | 634 |
* Load (or re-load) the current list of vdevs describing the active spares for |
635 |
* this pool. When this is called, we have some form of basic information in |
|
636 |
* 'spa_sparelist'. We parse this into vdevs, try to open them, and then |
|
637 |
* re-generate a more complete list including status information. |
|
638 |
*/ |
|
639 |
static void |
|
640 |
spa_load_spares(spa_t *spa) |
|
641 |
{
|
|
642 |
nvlist_t **spares; |
|
643 |
uint_t nspares; |
|
644 |
int i; |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
645 |
vdev_t *vd, *tvd; |
| 2082 | 646 |
|
647 |
/* |
|
648 |
* First, close and free any existing spare vdevs. |
|
649 |
*/ |
|
650 |
for (i = 0; i < spa->spa_nspares; i++) {
|
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
651 |
vd = spa->spa_spares[i]; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
652 |
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
653 |
/* Undo the call to spa_activate() below */ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
654 |
if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid)) != NULL && |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
655 |
tvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
656 |
spa_spare_remove(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
657 |
vdev_close(vd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
658 |
vdev_free(vd); |
| 2082 | 659 |
} |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
660 |
|
| 2082 | 661 |
if (spa->spa_spares) |
662 |
kmem_free(spa->spa_spares, spa->spa_nspares * sizeof (void *)); |
|
663 |
||
664 |
if (spa->spa_sparelist == NULL) |
|
665 |
nspares = 0; |
|
666 |
else |
|
667 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_sparelist, |
|
668 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
|
669 |
||
670 |
spa->spa_nspares = (int)nspares; |
|
671 |
spa->spa_spares = NULL; |
|
672 |
||
673 |
if (nspares == 0) |
|
674 |
return; |
|
675 |
||
676 |
/* |
|
677 |
* 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
|
678 |
* 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
|
679 |
* 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
|
680 |
* 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
|
681 |
* 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
|
682 |
* 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
|
683 |
* active configuration, then we also mark this vdev as an active spare. |
| 2082 | 684 |
*/ |
685 |
spa->spa_spares = kmem_alloc(nspares * sizeof (void *), KM_SLEEP); |
|
686 |
for (i = 0; i < spa->spa_nspares; i++) {
|
|
687 |
VERIFY(spa_config_parse(spa, &vd, spares[i], NULL, 0, |
|
688 |
VDEV_ALLOC_SPARE) == 0); |
|
689 |
ASSERT(vd != NULL); |
|
690 |
||
691 |
spa->spa_spares[i] = vd; |
|
692 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
693 |
if ((tvd = spa_lookup_by_guid(spa, vd->vdev_guid)) != NULL) {
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
694 |
if (!tvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
695 |
spa_spare_add(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
696 |
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
697 |
/* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
698 |
* 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
|
699 |
* 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
|
700 |
* 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
|
701 |
* 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
|
702 |
* is actively in use. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
703 |
* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
704 |
* 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
|
705 |
* 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
|
706 |
* 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
|
707 |
* 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
|
708 |
* it adds, we ignore the possibility. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
709 |
*/ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
710 |
if (!vdev_is_dead(tvd)) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
711 |
spa_spare_activate(tvd); |
|
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 |
|
| 2082 | 714 |
if (vdev_open(vd) != 0) |
715 |
continue; |
|
716 |
||
717 |
vd->vdev_top = vd; |
|
718 |
(void) vdev_validate_spare(vd); |
|
719 |
} |
|
720 |
||
721 |
/* |
|
722 |
* Recompute the stashed list of spares, with status information |
|
723 |
* this time. |
|
724 |
*/ |
|
725 |
VERIFY(nvlist_remove(spa->spa_sparelist, ZPOOL_CONFIG_SPARES, |
|
726 |
DATA_TYPE_NVLIST_ARRAY) == 0); |
|
727 |
||
728 |
spares = kmem_alloc(spa->spa_nspares * sizeof (void *), KM_SLEEP); |
|
729 |
for (i = 0; i < spa->spa_nspares; i++) |
|
730 |
spares[i] = vdev_config_generate(spa, spa->spa_spares[i], |
|
731 |
B_TRUE, B_TRUE); |
|
732 |
VERIFY(nvlist_add_nvlist_array(spa->spa_sparelist, ZPOOL_CONFIG_SPARES, |
|
733 |
spares, spa->spa_nspares) == 0); |
|
734 |
for (i = 0; i < spa->spa_nspares; i++) |
|
735 |
nvlist_free(spares[i]); |
|
736 |
kmem_free(spares, spa->spa_nspares * sizeof (void *)); |
|
737 |
} |
|
738 |
||
739 |
static int |
|
740 |
load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value) |
|
741 |
{
|
|
742 |
dmu_buf_t *db; |
|
743 |
char *packed = NULL; |
|
744 |
size_t nvsize = 0; |
|
745 |
int error; |
|
746 |
*value = NULL; |
|
747 |
||
748 |
VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); |
|
749 |
nvsize = *(uint64_t *)db->db_data; |
|
750 |
dmu_buf_rele(db, FTAG); |
|
751 |
||
752 |
packed = kmem_alloc(nvsize, KM_SLEEP); |
|
753 |
error = dmu_read(spa->spa_meta_objset, obj, 0, nvsize, packed); |
|
754 |
if (error == 0) |
|
755 |
error = nvlist_unpack(packed, nvsize, value, 0); |
|
756 |
kmem_free(packed, nvsize); |
|
757 |
||
758 |
return (error); |
|
759 |
} |
|
760 |
||
761 |
/* |
|
| 4451 | 762 |
* Checks to see if the given vdev could not be opened, in which case we post a |
763 |
* sysevent to notify the autoreplace code that the device has been removed. |
|
764 |
*/ |
|
765 |
static void |
|
766 |
spa_check_removed(vdev_t *vd) |
|
767 |
{
|
|
768 |
int c; |
|
769 |
||
770 |
for (c = 0; c < vd->vdev_children; c++) |
|
771 |
spa_check_removed(vd->vdev_child[c]); |
|
772 |
||
773 |
if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd)) {
|
|
774 |
zfs_post_autoreplace(vd->vdev_spa, vd); |
|
775 |
spa_event_notify(vd->vdev_spa, vd, ESC_ZFS_VDEV_CHECK); |
|
776 |
} |
|
777 |
} |
|
778 |
||
779 |
/* |
|
| 789 | 780 |
* Load an existing storage pool, using the pool's builtin spa_config as a |
| 1544 | 781 |
* source of configuration information. |
| 789 | 782 |
*/ |
783 |
static int |
|
| 1544 | 784 |
spa_load(spa_t *spa, nvlist_t *config, spa_load_state_t state, int mosconfig) |
| 789 | 785 |
{
|
786 |
int error = 0; |
|
787 |
nvlist_t *nvroot = NULL; |
|
788 |
vdev_t *rvd; |
|
789 |
uberblock_t *ub = &spa->spa_uberblock; |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
790 |
uint64_t config_cache_txg = spa->spa_config_txg; |
| 789 | 791 |
uint64_t pool_guid; |
| 2082 | 792 |
uint64_t version; |
| 789 | 793 |
zio_t *zio; |
| 4451 | 794 |
uint64_t autoreplace = 0; |
| 789 | 795 |
|
| 1544 | 796 |
spa->spa_load_state = state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
797 |
|
| 789 | 798 |
if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nvroot) || |
| 1733 | 799 |
nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &pool_guid)) {
|
| 1544 | 800 |
error = EINVAL; |
801 |
goto out; |
|
802 |
} |
|
| 789 | 803 |
|
| 2082 | 804 |
/* |
805 |
* Versioning wasn't explicitly added to the label until later, so if |
|
806 |
* it's not present treat it as the initial version. |
|
807 |
*/ |
|
808 |
if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, &version) != 0) |
|
| 4577 | 809 |
version = SPA_VERSION_INITIAL; |
| 2082 | 810 |
|
| 1733 | 811 |
(void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, |
812 |
&spa->spa_config_txg); |
|
813 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
814 |
if ((state == SPA_LOAD_IMPORT || state == SPA_LOAD_TRYIMPORT) && |
| 1544 | 815 |
spa_guid_exists(pool_guid, 0)) {
|
816 |
error = EEXIST; |
|
817 |
goto out; |
|
818 |
} |
|
| 789 | 819 |
|
|
2174
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
820 |
spa->spa_load_guid = pool_guid; |
|
73de7a781492
6433717 offline devices should not be marked persistently unavailble
eschrock
parents:
2082
diff
changeset
|
821 |
|
| 789 | 822 |
/* |
| 2082 | 823 |
* Parse the configuration into a vdev tree. We explicitly set the |
824 |
* value that will be returned by spa_version() since parsing the |
|
825 |
* configuration requires knowing the version number. |
|
| 789 | 826 |
*/ |
| 1544 | 827 |
spa_config_enter(spa, RW_WRITER, FTAG); |
| 2082 | 828 |
spa->spa_ubsync.ub_version = version; |
829 |
error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_LOAD); |
|
| 1544 | 830 |
spa_config_exit(spa, FTAG); |
| 789 | 831 |
|
| 2082 | 832 |
if (error != 0) |
| 1544 | 833 |
goto out; |
| 789 | 834 |
|
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
835 |
ASSERT(spa->spa_root_vdev == rvd); |
| 789 | 836 |
ASSERT(spa_guid(spa) == pool_guid); |
837 |
||
838 |
/* |
|
839 |
* Try to open all vdevs, loading each label in the process. |
|
840 |
*/ |
|
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
841 |
error = vdev_open(rvd); |
|
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
842 |
if (error != 0) |
| 1544 | 843 |
goto out; |
| 789 | 844 |
|
845 |
/* |
|
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
846 |
* Validate the labels for all leaf vdevs. We need to grab the config |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
847 |
* lock because all label I/O is done with the ZIO_FLAG_CONFIG_HELD |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
848 |
* flag. |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
849 |
*/ |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
850 |
spa_config_enter(spa, RW_READER, FTAG); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
851 |
error = vdev_validate(rvd); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
852 |
spa_config_exit(spa, FTAG); |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
853 |
|
|
4070
4390ea390a1e
6386594 zdb message should be clearer when failing for lack of permissions
mc142369
parents:
3975
diff
changeset
|
854 |
if (error != 0) |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
855 |
goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
856 |
|
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
857 |
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
|
858 |
error = ENXIO; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
859 |
goto out; |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
860 |
} |
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
861 |
|
|
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
862 |
/* |
| 789 | 863 |
* Find the best uberblock. |
864 |
*/ |
|
865 |
bzero(ub, sizeof (uberblock_t)); |
|
866 |
||
867 |
zio = zio_root(spa, NULL, NULL, |
|
868 |
ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE); |
|
869 |
vdev_uberblock_load(zio, rvd, ub); |
|
870 |
error = zio_wait(zio); |
|
871 |
||
872 |
/* |
|
873 |
* If we weren't able to find a single valid uberblock, return failure. |
|
874 |
*/ |
|
875 |
if (ub->ub_txg == 0) {
|
|
| 1760 | 876 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
877 |
VDEV_AUX_CORRUPT_DATA); |
|
| 1544 | 878 |
error = ENXIO; |
879 |
goto out; |
|
880 |
} |
|
881 |
||
882 |
/* |
|
883 |
* If the pool is newer than the code, we can't open it. |
|
884 |
*/ |
|
| 4577 | 885 |
if (ub->ub_version > SPA_VERSION) {
|
| 1760 | 886 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
887 |
VDEV_AUX_VERSION_NEWER); |
|
| 1544 | 888 |
error = ENOTSUP; |
889 |
goto out; |
|
| 789 | 890 |
} |
891 |
||
892 |
/* |
|
893 |
* If the vdev guid sum doesn't match the uberblock, we have an |
|
894 |
* incomplete configuration. |
|
895 |
*/ |
|
| 1732 | 896 |
if (rvd->vdev_guid_sum != ub->ub_guid_sum && mosconfig) {
|
| 1544 | 897 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
898 |
VDEV_AUX_BAD_GUID_SUM); |
|
899 |
error = ENXIO; |
|
900 |
goto out; |
|
| 789 | 901 |
} |
902 |
||
903 |
/* |
|
904 |
* Initialize internal SPA structures. |
|
905 |
*/ |
|
906 |
spa->spa_state = POOL_STATE_ACTIVE; |
|
907 |
spa->spa_ubsync = spa->spa_uberblock; |
|
908 |
spa->spa_first_txg = spa_last_synced_txg(spa) + 1; |
|
| 1544 | 909 |
error = dsl_pool_open(spa, spa->spa_first_txg, &spa->spa_dsl_pool); |
910 |
if (error) {
|
|
911 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
912 |
VDEV_AUX_CORRUPT_DATA); |
|
913 |
goto out; |
|
914 |
} |
|
| 789 | 915 |
spa->spa_meta_objset = spa->spa_dsl_pool->dp_meta_objset; |
916 |
||
| 1544 | 917 |
if (zap_lookup(spa->spa_meta_objset, |
| 789 | 918 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 919 |
sizeof (uint64_t), 1, &spa->spa_config_object) != 0) {
|
920 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
921 |
VDEV_AUX_CORRUPT_DATA); |
|
922 |
error = EIO; |
|
923 |
goto out; |
|
924 |
} |
|
| 789 | 925 |
|
926 |
if (!mosconfig) {
|
|
| 2082 | 927 |
nvlist_t *newconfig; |
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
928 |
uint64_t hostid; |
| 2082 | 929 |
|
930 |
if (load_nvlist(spa, spa->spa_config_object, &newconfig) != 0) {
|
|
| 1544 | 931 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
932 |
VDEV_AUX_CORRUPT_DATA); |
|
933 |
error = EIO; |
|
934 |
goto out; |
|
935 |
} |
|
| 789 | 936 |
|
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
937 |
if (nvlist_lookup_uint64(newconfig, ZPOOL_CONFIG_HOSTID, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
938 |
&hostid) == 0) {
|
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
939 |
char *hostname; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
940 |
unsigned long myhostid = 0; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
941 |
|
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
942 |
VERIFY(nvlist_lookup_string(newconfig, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
943 |
ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
944 |
|
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
945 |
(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
|
946 |
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
|
947 |
(unsigned long)hostid != myhostid) {
|
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
948 |
cmn_err(CE_WARN, "pool '%s' could not be " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
949 |
"loaded as it was last accessed by " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
950 |
"another system (host: %s hostid: 0x%lx). " |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
951 |
"See: http://www.sun.com/msg/ZFS-8000-EY", |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
952 |
spa->spa_name, hostname, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
953 |
(unsigned long)hostid); |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
954 |
error = EBADF; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
955 |
goto out; |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
956 |
} |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
957 |
} |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
958 |
|
| 789 | 959 |
spa_config_set(spa, newconfig); |
960 |
spa_unload(spa); |
|
961 |
spa_deactivate(spa); |
|
962 |
spa_activate(spa); |
|
963 |
||
| 1544 | 964 |
return (spa_load(spa, newconfig, state, B_TRUE)); |
965 |
} |
|
966 |
||
967 |
if (zap_lookup(spa->spa_meta_objset, |
|
968 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
|
969 |
sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj) != 0) {
|
|
970 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
971 |
VDEV_AUX_CORRUPT_DATA); |
|
972 |
error = EIO; |
|
973 |
goto out; |
|
| 789 | 974 |
} |
975 |
||
| 1544 | 976 |
/* |
| 2082 | 977 |
* Load the bit that tells us to use the new accounting function |
978 |
* (raid-z deflation). If we have an older pool, this will not |
|
979 |
* be present. |
|
980 |
*/ |
|
981 |
error = zap_lookup(spa->spa_meta_objset, |
|
982 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, |
|
983 |
sizeof (uint64_t), 1, &spa->spa_deflate); |
|
984 |
if (error != 0 && error != ENOENT) {
|
|
985 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
986 |
VDEV_AUX_CORRUPT_DATA); |
|
987 |
error = EIO; |
|
988 |
goto out; |
|
989 |
} |
|
990 |
||
991 |
/* |
|
| 1544 | 992 |
* Load the persistent error log. If we have an older pool, this will |
993 |
* not be present. |
|
994 |
*/ |
|
995 |
error = zap_lookup(spa->spa_meta_objset, |
|
996 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_LAST, |
|
997 |
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
|
998 |
if (error != 0 && error != ENOENT) {
|
| 1544 | 999 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
1000 |
VDEV_AUX_CORRUPT_DATA); |
|
1001 |
error = EIO; |
|
1002 |
goto out; |
|
1003 |
} |
|
1004 |
||
1005 |
error = zap_lookup(spa->spa_meta_objset, |
|
1006 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_ERRLOG_SCRUB, |
|
1007 |
sizeof (uint64_t), 1, &spa->spa_errlog_scrub); |
|
1008 |
if (error != 0 && error != ENOENT) {
|
|
1009 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1010 |
VDEV_AUX_CORRUPT_DATA); |
|
1011 |
error = EIO; |
|
1012 |
goto out; |
|
1013 |
} |
|
| 789 | 1014 |
|
1015 |
/* |
|
| 2926 | 1016 |
* Load the history object. If we have an older pool, this |
1017 |
* will not be present. |
|
1018 |
*/ |
|
1019 |
error = zap_lookup(spa->spa_meta_objset, |
|
1020 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_HISTORY, |
|
1021 |
sizeof (uint64_t), 1, &spa->spa_history); |
|
1022 |
if (error != 0 && error != ENOENT) {
|
|
1023 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1024 |
VDEV_AUX_CORRUPT_DATA); |
|
1025 |
error = EIO; |
|
1026 |
goto out; |
|
1027 |
} |
|
1028 |
||
1029 |
/* |
|
| 2082 | 1030 |
* Load any hot spares for this pool. |
1031 |
*/ |
|
1032 |
error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
|
1033 |
DMU_POOL_SPARES, sizeof (uint64_t), 1, &spa->spa_spares_object); |
|
1034 |
if (error != 0 && error != ENOENT) {
|
|
1035 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1036 |
VDEV_AUX_CORRUPT_DATA); |
|
1037 |
error = EIO; |
|
1038 |
goto out; |
|
1039 |
} |
|
1040 |
if (error == 0) {
|
|
| 4577 | 1041 |
ASSERT(spa_version(spa) >= SPA_VERSION_SPARES); |
| 2082 | 1042 |
if (load_nvlist(spa, spa->spa_spares_object, |
1043 |
&spa->spa_sparelist) != 0) {
|
|
1044 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1045 |
VDEV_AUX_CORRUPT_DATA); |
|
1046 |
error = EIO; |
|
1047 |
goto out; |
|
1048 |
} |
|
1049 |
||
1050 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
1051 |
spa_load_spares(spa); |
|
1052 |
spa_config_exit(spa, FTAG); |
|
1053 |
} |
|
1054 |
||
| 5094 | 1055 |
spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
| 4543 | 1056 |
|
| 3912 | 1057 |
error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT, |
1058 |
DMU_POOL_PROPS, sizeof (uint64_t), 1, &spa->spa_pool_props_object); |
|
1059 |
||
1060 |
if (error && error != ENOENT) {
|
|
1061 |
vdev_set_state(rvd, B_TRUE, VDEV_STATE_CANT_OPEN, |
|
1062 |
VDEV_AUX_CORRUPT_DATA); |
|
1063 |
error = EIO; |
|
1064 |
goto out; |
|
1065 |
} |
|
1066 |
||
1067 |
if (error == 0) {
|
|
1068 |
(void) zap_lookup(spa->spa_meta_objset, |
|
1069 |
spa->spa_pool_props_object, |
|
| 4451 | 1070 |
zpool_prop_to_name(ZPOOL_PROP_BOOTFS), |
| 3912 | 1071 |
sizeof (uint64_t), 1, &spa->spa_bootfs); |
| 4451 | 1072 |
(void) zap_lookup(spa->spa_meta_objset, |
1073 |
spa->spa_pool_props_object, |
|
1074 |
zpool_prop_to_name(ZPOOL_PROP_AUTOREPLACE), |
|
1075 |
sizeof (uint64_t), 1, &autoreplace); |
|
| 4543 | 1076 |
(void) zap_lookup(spa->spa_meta_objset, |
1077 |
spa->spa_pool_props_object, |
|
1078 |
zpool_prop_to_name(ZPOOL_PROP_DELEGATION), |
|
1079 |
sizeof (uint64_t), 1, &spa->spa_delegation); |
|
| 3912 | 1080 |
} |
1081 |
||
| 2082 | 1082 |
/* |
| 4451 | 1083 |
* If the 'autoreplace' property is set, then post a resource notifying |
1084 |
* the ZFS DE that it should not issue any faults for unopenable |
|
1085 |
* devices. We also iterate over the vdevs, and post a sysevent for any |
|
1086 |
* unopenable vdevs so that the normal autoreplace handler can take |
|
1087 |
* over. |
|
1088 |
*/ |
|
1089 |
if (autoreplace) |
|
1090 |
spa_check_removed(spa->spa_root_vdev); |
|
1091 |
||
1092 |
/* |
|
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1093 |
* Load the vdev state for all toplevel vdevs. |
| 789 | 1094 |
*/ |
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1095 |
vdev_load(rvd); |
| 789 | 1096 |
|
1097 |
/* |
|
1098 |
* Propagate the leaf DTLs we just loaded all the way up the tree. |
|
1099 |
*/ |
|
| 1544 | 1100 |
spa_config_enter(spa, RW_WRITER, FTAG); |
| 789 | 1101 |
vdev_dtl_reassess(rvd, 0, 0, B_FALSE); |
| 1544 | 1102 |
spa_config_exit(spa, FTAG); |
| 789 | 1103 |
|
1104 |
/* |
|
1105 |
* Check the state of the root vdev. If it can't be opened, it |
|
1106 |
* indicates one or more toplevel vdevs are faulted. |
|
1107 |
*/ |
|
| 1544 | 1108 |
if (rvd->vdev_state <= VDEV_STATE_CANT_OPEN) {
|
1109 |
error = ENXIO; |
|
1110 |
goto out; |
|
1111 |
} |
|
| 789 | 1112 |
|
| 1544 | 1113 |
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
|
1114 |
dmu_tx_t *tx; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1115 |
int need_update = B_FALSE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1116 |
int c; |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1117 |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1118 |
/* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1119 |
* 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
|
1120 |
* 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
|
1121 |
*/ |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1122 |
tx = dmu_tx_create_assigned(spa_get_dsl(spa), |
| 789 | 1123 |
spa_first_txg(spa)); |
| 2417 | 1124 |
(void) dmu_objset_find(spa->spa_name, |
1125 |
zil_claim, tx, DS_FIND_CHILDREN); |
|
| 789 | 1126 |
dmu_tx_commit(tx); |
1127 |
||
1128 |
spa->spa_sync_on = B_TRUE; |
|
1129 |
txg_sync_start(spa->spa_dsl_pool); |
|
1130 |
||
1131 |
/* |
|
1132 |
* Wait for all claims to sync. |
|
1133 |
*/ |
|
1134 |
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
|
1135 |
|
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1136 |
/* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1137 |
* 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
|
1138 |
* 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
|
1139 |
*/ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1140 |
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
|
1141 |
state == SPA_LOAD_IMPORT) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1142 |
need_update = B_TRUE; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1143 |
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1144 |
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
|
1145 |
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
|
1146 |
need_update = B_TRUE; |
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1147 |
|
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
1148 |
/* |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1149 |
* 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
|
1150 |
* 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
|
1151 |
*/ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1152 |
if (need_update) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1153 |
spa_async_request(spa, SPA_ASYNC_CONFIG_UPDATE); |
| 789 | 1154 |
} |
1155 |
||
| 1544 | 1156 |
error = 0; |
1157 |
out: |
|
| 2082 | 1158 |
if (error && error != EBADF) |
| 1544 | 1159 |
zfs_ereport_post(FM_EREPORT_ZFS_POOL, spa, NULL, NULL, 0, 0); |
1160 |
spa->spa_load_state = SPA_LOAD_NONE; |
|
1161 |
spa->spa_ena = 0; |
|
1162 |
||
1163 |
return (error); |
|
| 789 | 1164 |
} |
1165 |
||
1166 |
/* |
|
1167 |
* Pool Open/Import |
|
1168 |
* |
|
1169 |
* The import case is identical to an open except that the configuration is sent |
|
1170 |
* down from userland, instead of grabbed from the configuration cache. For the |
|
1171 |
* case of an open, the pool configuration will exist in the |
|
| 4451 | 1172 |
* POOL_STATE_UNINITIALIZED state. |
| 789 | 1173 |
* |
1174 |
* The stats information (gen/count/ustats) is used to gather vdev statistics at |
|
1175 |
* the same time open the pool, without having to keep around the spa_t in some |
|
1176 |
* ambiguous state. |
|
1177 |
*/ |
|
1178 |
static int |
|
1179 |
spa_open_common(const char *pool, spa_t **spapp, void *tag, nvlist_t **config) |
|
1180 |
{
|
|
1181 |
spa_t *spa; |
|
1182 |
int error; |
|
1183 |
int loaded = B_FALSE; |
|
1184 |
int locked = B_FALSE; |
|
1185 |
||
1186 |
*spapp = NULL; |
|
1187 |
||
1188 |
/* |
|
1189 |
* As disgusting as this is, we need to support recursive calls to this |
|
1190 |
* function because dsl_dir_open() is called during spa_load(), and ends |
|
1191 |
* up calling spa_open() again. The real fix is to figure out how to |
|
1192 |
* avoid dsl_dir_open() calling this in the first place. |
|
1193 |
*/ |
|
1194 |
if (mutex_owner(&spa_namespace_lock) != curthread) {
|
|
1195 |
mutex_enter(&spa_namespace_lock); |
|
1196 |
locked = B_TRUE; |
|
1197 |
} |
|
1198 |
||
1199 |
if ((spa = spa_lookup(pool)) == NULL) {
|
|
1200 |
if (locked) |
|
1201 |
mutex_exit(&spa_namespace_lock); |
|
1202 |
return (ENOENT); |
|
1203 |
} |
|
1204 |
if (spa->spa_state == POOL_STATE_UNINITIALIZED) {
|
|
1205 |
||
1206 |
spa_activate(spa); |
|
1207 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1208 |
error = spa_load(spa, spa->spa_config, SPA_LOAD_OPEN, B_FALSE); |
| 789 | 1209 |
|
1210 |
if (error == EBADF) {
|
|
1211 |
/* |
|
|
1986
628267397204
6424405 zpool import destroyed_pool can damage existing pool using same devices
eschrock
parents:
1807
diff
changeset
|
1212 |
* 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
|
1213 |
* 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
|
1214 |
* 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
|
1215 |
* 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
|
1216 |
* we should remove the pool from the namespace. |
| 789 | 1217 |
*/ |
| 2082 | 1218 |
zfs_post_ok(spa, NULL); |
| 789 | 1219 |
spa_unload(spa); |
1220 |
spa_deactivate(spa); |
|
1221 |
spa_remove(spa); |
|
1222 |
spa_config_sync(); |
|
1223 |
if (locked) |
|
1224 |
mutex_exit(&spa_namespace_lock); |
|
1225 |
return (ENOENT); |
|
| 1544 | 1226 |
} |
1227 |
||
1228 |
if (error) {
|
|
| 789 | 1229 |
/* |
1230 |
* We can't open the pool, but we still have useful |
|
1231 |
* information: the state of each vdev after the |
|
1232 |
* attempted vdev_open(). Return this to the user. |
|
1233 |
*/ |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1234 |
if (config != NULL && spa->spa_root_vdev != NULL) {
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1235 |
spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1236 |
*config = spa_config_generate(spa, NULL, -1ULL, |
1237 |
B_TRUE); |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1238 |
spa_config_exit(spa, FTAG); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1239 |
} |
| 789 | 1240 |
spa_unload(spa); |
1241 |
spa_deactivate(spa); |
|
| 1544 | 1242 |
spa->spa_last_open_failed = B_TRUE; |
| 789 | 1243 |
if (locked) |
1244 |
mutex_exit(&spa_namespace_lock); |
|
1245 |
*spapp = NULL; |
|
1246 |
return (error); |
|
| 1544 | 1247 |
} else {
|
1248 |
zfs_post_ok(spa, NULL); |
|
1249 |
spa->spa_last_open_failed = B_FALSE; |
|
| 789 | 1250 |
} |
1251 |
||
1252 |
loaded = B_TRUE; |
|
1253 |
} |
|
1254 |
||
1255 |
spa_open_ref(spa, tag); |
|
| 4451 | 1256 |
|
1257 |
/* |
|
1258 |
* If we just loaded the pool, resilver anything that's out of date. |
|
1259 |
*/ |
|
1260 |
if (loaded && (spa_mode & FWRITE)) |
|
1261 |
VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); |
|
1262 |
||
| 789 | 1263 |
if (locked) |
1264 |
mutex_exit(&spa_namespace_lock); |
|
1265 |
||
1266 |
*spapp = spa; |
|
1267 |
||
1268 |
if (config != NULL) {
|
|
| 1544 | 1269 |
spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1270 |
*config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
| 1544 | 1271 |
spa_config_exit(spa, FTAG); |
| 789 | 1272 |
} |
1273 |
||
1274 |
return (0); |
|
1275 |
} |
|
1276 |
||
1277 |
int |
|
1278 |
spa_open(const char *name, spa_t **spapp, void *tag) |
|
1279 |
{
|
|
1280 |
return (spa_open_common(name, spapp, tag, NULL)); |
|
1281 |
} |
|
1282 |
||
| 1544 | 1283 |
/* |
1284 |
* Lookup the given spa_t, incrementing the inject count in the process, |
|
1285 |
* preventing it from being exported or destroyed. |
|
1286 |
*/ |
|
1287 |
spa_t * |
|
1288 |
spa_inject_addref(char *name) |
|
1289 |
{
|
|
1290 |
spa_t *spa; |
|
1291 |
||
1292 |
mutex_enter(&spa_namespace_lock); |
|
1293 |
if ((spa = spa_lookup(name)) == NULL) {
|
|
1294 |
mutex_exit(&spa_namespace_lock); |
|
1295 |
return (NULL); |
|
1296 |
} |
|
1297 |
spa->spa_inject_ref++; |
|
1298 |
mutex_exit(&spa_namespace_lock); |
|
1299 |
||
1300 |
return (spa); |
|
1301 |
} |
|
1302 |
||
1303 |
void |
|
1304 |
spa_inject_delref(spa_t *spa) |
|
1305 |
{
|
|
1306 |
mutex_enter(&spa_namespace_lock); |
|
1307 |
spa->spa_inject_ref--; |
|
1308 |
mutex_exit(&spa_namespace_lock); |
|
1309 |
} |
|
1310 |
||
| 2082 | 1311 |
static void |
1312 |
spa_add_spares(spa_t *spa, nvlist_t *config) |
|
1313 |
{
|
|
1314 |
nvlist_t **spares; |
|
1315 |
uint_t i, nspares; |
|
1316 |
nvlist_t *nvroot; |
|
1317 |
uint64_t guid; |
|
1318 |
vdev_stat_t *vs; |
|
1319 |
uint_t vsc; |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1320 |
uint64_t pool; |
| 2082 | 1321 |
|
1322 |
if (spa->spa_nspares == 0) |
|
1323 |
return; |
|
1324 |
||
1325 |
VERIFY(nvlist_lookup_nvlist(config, |
|
1326 |
ZPOOL_CONFIG_VDEV_TREE, &nvroot) == 0); |
|
1327 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_sparelist, |
|
1328 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
|
1329 |
if (nspares != 0) {
|
|
1330 |
VERIFY(nvlist_add_nvlist_array(nvroot, |
|
1331 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
1332 |
VERIFY(nvlist_lookup_nvlist_array(nvroot, |
|
1333 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
|
1334 |
||
1335 |
/* |
|
1336 |
* Go through and find any spares which have since been |
|
1337 |
* repurposed as an active spare. If this is the case, update |
|
1338 |
* their status appropriately. |
|
1339 |
*/ |
|
1340 |
for (i = 0; i < nspares; i++) {
|
|
1341 |
VERIFY(nvlist_lookup_uint64(spares[i], |
|
1342 |
ZPOOL_CONFIG_GUID, &guid) == 0); |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1343 |
if (spa_spare_exists(guid, &pool) && pool != 0ULL) {
|
| 2082 | 1344 |
VERIFY(nvlist_lookup_uint64_array( |
1345 |
spares[i], ZPOOL_CONFIG_STATS, |
|
1346 |
(uint64_t **)&vs, &vsc) == 0); |
|
1347 |
vs->vs_state = VDEV_STATE_CANT_OPEN; |
|
1348 |
vs->vs_aux = VDEV_AUX_SPARED; |
|
1349 |
} |
|
1350 |
} |
|
1351 |
} |
|
1352 |
} |
|
1353 |
||
| 789 | 1354 |
int |
| 1544 | 1355 |
spa_get_stats(const char *name, nvlist_t **config, char *altroot, size_t buflen) |
| 789 | 1356 |
{
|
1357 |
int error; |
|
1358 |
spa_t *spa; |
|
1359 |
||
1360 |
*config = NULL; |
|
1361 |
error = spa_open_common(name, &spa, FTAG, config); |
|
1362 |
||
| 2082 | 1363 |
if (spa && *config != NULL) {
|
| 1544 | 1364 |
VERIFY(nvlist_add_uint64(*config, ZPOOL_CONFIG_ERRCOUNT, |
1365 |
spa_get_errlog_size(spa)) == 0); |
|
1366 |
||
| 2082 | 1367 |
spa_add_spares(spa, *config); |
1368 |
} |
|
1369 |
||
| 1544 | 1370 |
/* |
1371 |
* We want to get the alternate root even for faulted pools, so we cheat |
|
1372 |
* and call spa_lookup() directly. |
|
1373 |
*/ |
|
1374 |
if (altroot) {
|
|
1375 |
if (spa == NULL) {
|
|
1376 |
mutex_enter(&spa_namespace_lock); |
|
1377 |
spa = spa_lookup(name); |
|
1378 |
if (spa) |
|
1379 |
spa_altroot(spa, altroot, buflen); |
|
1380 |
else |
|
1381 |
altroot[0] = '\0'; |
|
1382 |
spa = NULL; |
|
1383 |
mutex_exit(&spa_namespace_lock); |
|
1384 |
} else {
|
|
1385 |
spa_altroot(spa, altroot, buflen); |
|
1386 |
} |
|
1387 |
} |
|
1388 |
||
| 789 | 1389 |
if (spa != NULL) |
1390 |
spa_close(spa, FTAG); |
|
1391 |
||
1392 |
return (error); |
|
1393 |
} |
|
1394 |
||
1395 |
/* |
|
| 2082 | 1396 |
* Validate that the 'spares' array is well formed. We must have an array of |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1397 |
* nvlists, each which describes a valid leaf vdev. If this is an import (mode |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1398 |
* is VDEV_ALLOC_SPARE), then we allow corrupted spares to be specified, as long |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1399 |
* as they are well-formed. |
| 2082 | 1400 |
*/ |
1401 |
static int |
|
1402 |
spa_validate_spares(spa_t *spa, nvlist_t *nvroot, uint64_t crtxg, int mode) |
|
1403 |
{
|
|
1404 |
nvlist_t **spares; |
|
1405 |
uint_t i, nspares; |
|
1406 |
vdev_t *vd; |
|
1407 |
int error; |
|
1408 |
||
1409 |
/* |
|
1410 |
* It's acceptable to have no spares specified. |
|
1411 |
*/ |
|
1412 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
1413 |
&spares, &nspares) != 0) |
|
1414 |
return (0); |
|
1415 |
||
1416 |
if (nspares == 0) |
|
1417 |
return (EINVAL); |
|
1418 |
||
1419 |
/* |
|
1420 |
* Make sure the pool is formatted with a version that supports hot |
|
1421 |
* spares. |
|
1422 |
*/ |
|
| 4577 | 1423 |
if (spa_version(spa) < SPA_VERSION_SPARES) |
| 2082 | 1424 |
return (ENOTSUP); |
1425 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1426 |
/* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1427 |
* Set the pending spare list so we correctly handle device in-use |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1428 |
* checking. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1429 |
*/ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1430 |
spa->spa_pending_spares = spares; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1431 |
spa->spa_pending_nspares = nspares; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1432 |
|
| 2082 | 1433 |
for (i = 0; i < nspares; i++) {
|
1434 |
if ((error = spa_config_parse(spa, &vd, spares[i], NULL, 0, |
|
1435 |
mode)) != 0) |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1436 |
goto out; |
| 2082 | 1437 |
|
1438 |
if (!vd->vdev_ops->vdev_op_leaf) {
|
|
1439 |
vdev_free(vd); |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1440 |
error = EINVAL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1441 |
goto out; |
| 2082 | 1442 |
} |
1443 |
||
1444 |
vd->vdev_top = vd; |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1445 |
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1446 |
if ((error = vdev_open(vd)) == 0 && |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1447 |
(error = vdev_label_init(vd, crtxg, |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1448 |
VDEV_LABEL_SPARE)) == 0) {
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1449 |
VERIFY(nvlist_add_uint64(spares[i], ZPOOL_CONFIG_GUID, |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1450 |
vd->vdev_guid) == 0); |
| 2082 | 1451 |
} |
1452 |
||
1453 |
vdev_free(vd); |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1454 |
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1455 |
if (error && mode != VDEV_ALLOC_SPARE) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1456 |
goto out; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1457 |
else |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1458 |
error = 0; |
| 2082 | 1459 |
} |
1460 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1461 |
out: |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1462 |
spa->spa_pending_spares = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1463 |
spa->spa_pending_nspares = 0; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1464 |
return (error); |
| 2082 | 1465 |
} |
1466 |
||
1467 |
/* |
|
| 789 | 1468 |
* Pool Creation |
1469 |
*/ |
|
1470 |
int |
|
| 5094 | 1471 |
spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props, |
|
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
|
1472 |
const char *history_str) |
| 789 | 1473 |
{
|
1474 |
spa_t *spa; |
|
| 5094 | 1475 |
char *altroot = NULL; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1476 |
vdev_t *rvd; |
| 789 | 1477 |
dsl_pool_t *dp; |
1478 |
dmu_tx_t *tx; |
|
| 2082 | 1479 |
int c, error = 0; |
| 789 | 1480 |
uint64_t txg = TXG_INITIAL; |
| 2082 | 1481 |
nvlist_t **spares; |
1482 |
uint_t nspares; |
|
| 5094 | 1483 |
uint64_t version; |
| 789 | 1484 |
|
1485 |
/* |
|
1486 |
* If this pool already exists, return failure. |
|
1487 |
*/ |
|
1488 |
mutex_enter(&spa_namespace_lock); |
|
1489 |
if (spa_lookup(pool) != NULL) {
|
|
1490 |
mutex_exit(&spa_namespace_lock); |
|
1491 |
return (EEXIST); |
|
1492 |
} |
|
1493 |
||
1494 |
/* |
|
1495 |
* Allocate a new spa_t structure. |
|
1496 |
*/ |
|
| 5094 | 1497 |
(void) nvlist_lookup_string(props, |
1498 |
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
|
1499 |
spa = spa_add(pool, altroot); |
| 789 | 1500 |
spa_activate(spa); |
1501 |
||
1502 |
spa->spa_uberblock.ub_txg = txg - 1; |
|
| 5094 | 1503 |
|
1504 |
if (props && (error = spa_prop_validate(spa, props))) {
|
|
1505 |
spa_unload(spa); |
|
1506 |
spa_deactivate(spa); |
|
1507 |
spa_remove(spa); |
|
1508 |
return (error); |
|
1509 |
} |
|
1510 |
||
1511 |
if (nvlist_lookup_uint64(props, zpool_prop_to_name(ZPOOL_PROP_VERSION), |
|
1512 |
&version) != 0) |
|
1513 |
version = SPA_VERSION; |
|
1514 |
ASSERT(version <= SPA_VERSION); |
|
1515 |
spa->spa_uberblock.ub_version = version; |
|
| 789 | 1516 |
spa->spa_ubsync = spa->spa_uberblock; |
1517 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1518 |
/* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1519 |
* Create the root vdev. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1520 |
*/ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1521 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1522 |
|
| 2082 | 1523 |
error = spa_config_parse(spa, &rvd, nvroot, NULL, 0, VDEV_ALLOC_ADD); |
1524 |
||
1525 |
ASSERT(error != 0 || rvd != NULL); |
|
1526 |
ASSERT(error != 0 || spa->spa_root_vdev == rvd); |
|
1527 |
||
1528 |
if (error == 0 && rvd->vdev_children == 0) |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1529 |
error = EINVAL; |
| 2082 | 1530 |
|
1531 |
if (error == 0 && |
|
1532 |
(error = vdev_create(rvd, txg, B_FALSE)) == 0 && |
|
1533 |
(error = spa_validate_spares(spa, nvroot, txg, |
|
1534 |
VDEV_ALLOC_ADD)) == 0) {
|
|
1535 |
for (c = 0; c < rvd->vdev_children; c++) |
|
1536 |
vdev_init(rvd->vdev_child[c], txg); |
|
1537 |
vdev_config_dirty(rvd); |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1538 |
} |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1539 |
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1540 |
spa_config_exit(spa, FTAG); |
| 789 | 1541 |
|
| 2082 | 1542 |
if (error != 0) {
|
| 789 | 1543 |
spa_unload(spa); |
1544 |
spa_deactivate(spa); |
|
1545 |
spa_remove(spa); |
|
1546 |
mutex_exit(&spa_namespace_lock); |
|
1547 |
return (error); |
|
1548 |
} |
|
1549 |
||
| 2082 | 1550 |
/* |
1551 |
* Get the list of spares, if specified. |
|
1552 |
*/ |
|
1553 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
1554 |
&spares, &nspares) == 0) {
|
|
1555 |
VERIFY(nvlist_alloc(&spa->spa_sparelist, NV_UNIQUE_NAME, |
|
1556 |
KM_SLEEP) == 0); |
|
1557 |
VERIFY(nvlist_add_nvlist_array(spa->spa_sparelist, |
|
1558 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
1559 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
1560 |
spa_load_spares(spa); |
|
1561 |
spa_config_exit(spa, FTAG); |
|
1562 |
spa->spa_sync_spares = B_TRUE; |
|
1563 |
} |
|
1564 |
||
| 789 | 1565 |
spa->spa_dsl_pool = dp = dsl_pool_create(spa, txg); |
1566 |
spa->spa_meta_objset = dp->dp_meta_objset; |
|
1567 |
||
1568 |
tx = dmu_tx_create_assigned(dp, txg); |
|
1569 |
||
1570 |
/* |
|
1571 |
* Create the pool config object. |
|
1572 |
*/ |
|
1573 |
spa->spa_config_object = dmu_object_alloc(spa->spa_meta_objset, |
|
1574 |
DMU_OT_PACKED_NVLIST, 1 << 14, |
|
1575 |
DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
|
1576 |
||
| 1544 | 1577 |
if (zap_add(spa->spa_meta_objset, |
| 789 | 1578 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_CONFIG, |
| 1544 | 1579 |
sizeof (uint64_t), 1, &spa->spa_config_object, tx) != 0) {
|
1580 |
cmn_err(CE_PANIC, "failed to add pool config"); |
|
1581 |
} |
|
| 789 | 1582 |
|
| 5094 | 1583 |
/* Newly created pools with the right version are always deflated. */ |
1584 |
if (version >= SPA_VERSION_RAIDZ_DEFLATE) {
|
|
1585 |
spa->spa_deflate = TRUE; |
|
1586 |
if (zap_add(spa->spa_meta_objset, |
|
1587 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, |
|
1588 |
sizeof (uint64_t), 1, &spa->spa_deflate, tx) != 0) {
|
|
1589 |
cmn_err(CE_PANIC, "failed to add deflate"); |
|
1590 |
} |
|
| 2082 | 1591 |
} |
1592 |
||
| 789 | 1593 |
/* |
1594 |
* Create the deferred-free bplist object. Turn off compression |
|
1595 |
* because sync-to-convergence takes longer if the blocksize |
|
1596 |
* keeps changing. |
|
1597 |
*/ |
|
1598 |
spa->spa_sync_bplist_obj = bplist_create(spa->spa_meta_objset, |
|
1599 |
1 << 14, tx); |
|
1600 |
dmu_object_set_compress(spa->spa_meta_objset, spa->spa_sync_bplist_obj, |
|
1601 |
ZIO_COMPRESS_OFF, tx); |
|
1602 |
||
| 1544 | 1603 |
if (zap_add(spa->spa_meta_objset, |
| 789 | 1604 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SYNC_BPLIST, |
| 1544 | 1605 |
sizeof (uint64_t), 1, &spa->spa_sync_bplist_obj, tx) != 0) {
|
1606 |
cmn_err(CE_PANIC, "failed to add bplist"); |
|
1607 |
} |
|
| 789 | 1608 |
|
| 2926 | 1609 |
/* |
1610 |
* Create the pool's history object. |
|
1611 |
*/ |
|
| 5094 | 1612 |
if (version >= SPA_VERSION_ZPOOL_HISTORY) |
1613 |
spa_history_create_obj(spa, tx); |
|
1614 |
||
1615 |
/* |
|
1616 |
* Set pool properties. |
|
1617 |
*/ |
|
1618 |
spa->spa_bootfs = zpool_prop_default_numeric(ZPOOL_PROP_BOOTFS); |
|
1619 |
spa->spa_delegation = zpool_prop_default_numeric(ZPOOL_PROP_DELEGATION); |
|
1620 |
spa->spa_temporary = zpool_prop_default_numeric(ZPOOL_PROP_TEMPORARY); |
|
1621 |
if (props) |
|
1622 |
spa_sync_props(spa, props, CRED(), tx); |
|
| 2926 | 1623 |
|
| 789 | 1624 |
dmu_tx_commit(tx); |
1625 |
||
1626 |
spa->spa_sync_on = B_TRUE; |
|
1627 |
txg_sync_start(spa->spa_dsl_pool); |
|
1628 |
||
1629 |
/* |
|
1630 |
* We explicitly wait for the first transaction to complete so that our |
|
1631 |
* bean counters are appropriately updated. |
|
1632 |
*/ |
|
1633 |
txg_wait_synced(spa->spa_dsl_pool, txg); |
|
1634 |
||
1635 |
spa_config_sync(); |
|
1636 |
||
| 5094 | 1637 |
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
|
1638 |
(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
|
1639 |
|
| 789 | 1640 |
mutex_exit(&spa_namespace_lock); |
1641 |
||
1642 |
return (0); |
|
1643 |
} |
|
1644 |
||
1645 |
/* |
|
1646 |
* Import the given pool into the system. We set up the necessary spa_t and |
|
1647 |
* then call spa_load() to do the dirty work. |
|
1648 |
*/ |
|
1649 |
int |
|
| 5094 | 1650 |
spa_import(const char *pool, nvlist_t *config, nvlist_t *props) |
| 789 | 1651 |
{
|
1652 |
spa_t *spa; |
|
| 5094 | 1653 |
char *altroot = NULL; |
| 789 | 1654 |
int error; |
| 2082 | 1655 |
nvlist_t *nvroot; |
1656 |
nvlist_t **spares; |
|
1657 |
uint_t nspares; |
|
| 789 | 1658 |
|
1659 |
/* |
|
1660 |
* If a pool with this name exists, return failure. |
|
1661 |
*/ |
|
1662 |
mutex_enter(&spa_namespace_lock); |
|
1663 |
if (spa_lookup(pool) != NULL) {
|
|
1664 |
mutex_exit(&spa_namespace_lock); |
|
1665 |
return (EEXIST); |
|
1666 |
} |
|
1667 |
||
1668 |
/* |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1669 |
* Create and initialize the spa structure. |
| 789 | 1670 |
*/ |
| 5094 | 1671 |
(void) nvlist_lookup_string(props, |
1672 |
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
|
1673 |
spa = spa_add(pool, altroot); |
| 789 | 1674 |
spa_activate(spa); |
1675 |
||
1676 |
/* |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1677 |
* Pass off the heavy lifting to spa_load(). |
| 1732 | 1678 |
* Pass TRUE for mosconfig because the user-supplied config |
1679 |
* is actually the one to trust when doing an import. |
|
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1680 |
*/ |
| 1732 | 1681 |
error = spa_load(spa, config, SPA_LOAD_IMPORT, B_TRUE); |
| 789 | 1682 |
|
| 2082 | 1683 |
spa_config_enter(spa, RW_WRITER, FTAG); |
1684 |
/* |
|
1685 |
* Toss any existing sparelist, as it doesn't have any validity anymore, |
|
1686 |
* and conflicts with spa_has_spare(). |
|
1687 |
*/ |
|
1688 |
if (spa->spa_sparelist) {
|
|
1689 |
nvlist_free(spa->spa_sparelist); |
|
1690 |
spa->spa_sparelist = NULL; |
|
1691 |
spa_load_spares(spa); |
|
1692 |
} |
|
1693 |
||
1694 |
VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, |
|
1695 |
&nvroot) == 0); |
|
| 5094 | 1696 |
if (error == 0) {
|
| 2082 | 1697 |
error = spa_validate_spares(spa, nvroot, -1ULL, |
1698 |
VDEV_ALLOC_SPARE); |
|
| 5094 | 1699 |
} |
| 2082 | 1700 |
spa_config_exit(spa, FTAG); |
1701 |
||
| 5094 | 1702 |
if (error != 0 || (props && (error = spa_prop_set(spa, props)))) {
|
| 789 | 1703 |
spa_unload(spa); |
1704 |
spa_deactivate(spa); |
|
1705 |
spa_remove(spa); |
|
1706 |
mutex_exit(&spa_namespace_lock); |
|
1707 |
return (error); |
|
1708 |
} |
|
1709 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1710 |
/* |
| 2082 | 1711 |
* Override any spares as specified by the user, as these may have |
1712 |
* correct device names/devids, etc. |
|
1713 |
*/ |
|
1714 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
1715 |
&spares, &nspares) == 0) {
|
|
1716 |
if (spa->spa_sparelist) |
|
1717 |
VERIFY(nvlist_remove(spa->spa_sparelist, |
|
1718 |
ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
1719 |
else |
|
1720 |
VERIFY(nvlist_alloc(&spa->spa_sparelist, |
|
1721 |
NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
1722 |
VERIFY(nvlist_add_nvlist_array(spa->spa_sparelist, |
|
1723 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
1724 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
1725 |
spa_load_spares(spa); |
|
1726 |
spa_config_exit(spa, FTAG); |
|
1727 |
spa->spa_sync_spares = B_TRUE; |
|
1728 |
} |
|
1729 |
||
1730 |
/* |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1731 |
* Update the config cache to include the newly-imported pool. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1732 |
*/ |
|
4627
c85631613c19
6509812 it would be useful if zdb(1M) could run on exported pools
ck153898
parents:
4577
diff
changeset
|
1733 |
if (spa_mode & FWRITE) |
|
c85631613c19
6509812 it would be useful if zdb(1M) could run on exported pools
ck153898
parents:
4577
diff
changeset
|
1734 |
spa_config_update(spa, SPA_CONFIG_UPDATE_POOL); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1735 |
|
| 789 | 1736 |
/* |
1737 |
* Resilver anything that's out of date. |
|
1738 |
*/ |
|
1739 |
if (spa_mode & FWRITE) |
|
1740 |
VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); |
|
1741 |
||
| 4451 | 1742 |
mutex_exit(&spa_namespace_lock); |
1743 |
||
| 789 | 1744 |
return (0); |
1745 |
} |
|
1746 |
||
1747 |
/* |
|
1748 |
* This (illegal) pool name is used when temporarily importing a spa_t in order |
|
1749 |
* to get the vdev stats associated with the imported devices. |
|
1750 |
*/ |
|
1751 |
#define TRYIMPORT_NAME "$import" |
|
1752 |
||
1753 |
nvlist_t * |
|
1754 |
spa_tryimport(nvlist_t *tryconfig) |
|
1755 |
{
|
|
1756 |
nvlist_t *config = NULL; |
|
1757 |
char *poolname; |
|
1758 |
spa_t *spa; |
|
1759 |
uint64_t state; |
|
1760 |
||
1761 |
if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname)) |
|
1762 |
return (NULL); |
|
1763 |
||
1764 |
if (nvlist_lookup_uint64(tryconfig, ZPOOL_CONFIG_POOL_STATE, &state)) |
|
1765 |
return (NULL); |
|
1766 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1767 |
/* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1768 |
* Create and initialize the spa structure. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1769 |
*/ |
| 789 | 1770 |
mutex_enter(&spa_namespace_lock); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1771 |
spa = spa_add(TRYIMPORT_NAME, NULL); |
| 789 | 1772 |
spa_activate(spa); |
1773 |
||
1774 |
/* |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1775 |
* Pass off the heavy lifting to spa_load(). |
| 1732 | 1776 |
* Pass TRUE for mosconfig because the user-supplied config |
1777 |
* is actually the one to trust when doing an import. |
|
| 789 | 1778 |
*/ |
| 1732 | 1779 |
(void) spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE); |
| 789 | 1780 |
|
1781 |
/* |
|
1782 |
* If 'tryconfig' was at least parsable, return the current config. |
|
1783 |
*/ |
|
1784 |
if (spa->spa_root_vdev != NULL) {
|
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1785 |
spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 1786 |
config = spa_config_generate(spa, NULL, -1ULL, B_TRUE); |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1787 |
spa_config_exit(spa, FTAG); |
| 789 | 1788 |
VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, |
1789 |
poolname) == 0); |
|
1790 |
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, |
|
1791 |
state) == 0); |
|
|
3975
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1792 |
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TIMESTAMP, |
|
6674f5d79069
6282725 hostname/hostid should be stored in the label
ek110237
parents:
3912
diff
changeset
|
1793 |
spa->spa_uberblock.ub_timestamp) == 0); |
| 2082 | 1794 |
|
1795 |
/* |
|
1796 |
* Add the list of hot spares. |
|
1797 |
*/ |
|
1798 |
spa_add_spares(spa, config); |
|
| 789 | 1799 |
} |
1800 |
||
1801 |
spa_unload(spa); |
|
1802 |
spa_deactivate(spa); |
|
1803 |
spa_remove(spa); |
|
1804 |
mutex_exit(&spa_namespace_lock); |
|
1805 |
||
1806 |
return (config); |
|
1807 |
} |
|
1808 |
||
1809 |
/* |
|
1810 |
* Pool export/destroy |
|
1811 |
* |
|
1812 |
* The act of destroying or exporting a pool is very simple. We make sure there |
|
1813 |
* is no more pending I/O and any references to the pool are gone. Then, we |
|
1814 |
* update the pool state and sync all the labels to disk, removing the |
|
1815 |
* configuration from the cache afterwards. |
|
1816 |
*/ |
|
1817 |
static int |
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1818 |
spa_export_common(char *pool, int new_state, nvlist_t **oldconfig) |
| 789 | 1819 |
{
|
1820 |
spa_t *spa; |
|
1821 |
||
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1822 |
if (oldconfig) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1823 |
*oldconfig = NULL; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1824 |
|
| 789 | 1825 |
if (!(spa_mode & FWRITE)) |
1826 |
return (EROFS); |
|
1827 |
||
1828 |
mutex_enter(&spa_namespace_lock); |
|
1829 |
if ((spa = spa_lookup(pool)) == NULL) {
|
|
1830 |
mutex_exit(&spa_namespace_lock); |
|
1831 |
return (ENOENT); |
|
1832 |
} |
|
1833 |
||
1834 |
/* |
|
| 1544 | 1835 |
* Put a hold on the pool, drop the namespace lock, stop async tasks, |
1836 |
* reacquire the namespace lock, and see if we can export. |
|
1837 |
*/ |
|
1838 |
spa_open_ref(spa, FTAG); |
|
1839 |
mutex_exit(&spa_namespace_lock); |
|
1840 |
spa_async_suspend(spa); |
|
1841 |
mutex_enter(&spa_namespace_lock); |
|
1842 |
spa_close(spa, FTAG); |
|
1843 |
||
1844 |
/* |
|
| 789 | 1845 |
* The pool will be in core if it's openable, |
1846 |
* in which case we can modify its state. |
|
1847 |
*/ |
|
1848 |
if (spa->spa_state != POOL_STATE_UNINITIALIZED && spa->spa_sync_on) {
|
|
1849 |
/* |
|
1850 |
* Objsets may be open only because they're dirty, so we |
|
1851 |
* have to force it to sync before checking spa_refcnt. |
|
1852 |
*/ |
|
1853 |
spa_scrub_suspend(spa); |
|
1854 |
txg_wait_synced(spa->spa_dsl_pool, 0); |
|
1855 |
||
| 1544 | 1856 |
/* |
1857 |
* A pool cannot be exported or destroyed if there are active |
|
1858 |
* references. If we are resetting a pool, allow references by |
|
1859 |
* fault injection handlers. |
|
1860 |
*/ |
|
1861 |
if (!spa_refcount_zero(spa) || |
|
1862 |
(spa->spa_inject_ref != 0 && |
|
1863 |
new_state != POOL_STATE_UNINITIALIZED)) {
|
|
| 789 | 1864 |
spa_scrub_resume(spa); |
| 1544 | 1865 |
spa_async_resume(spa); |
| 789 | 1866 |
mutex_exit(&spa_namespace_lock); |
1867 |
return (EBUSY); |
|
1868 |
} |
|
1869 |
||
1870 |
spa_scrub_resume(spa); |
|
1871 |
VERIFY(spa_scrub(spa, POOL_SCRUB_NONE, B_TRUE) == 0); |
|
1872 |
||
1873 |
/* |
|
1874 |
* We want this to be reflected on every label, |
|
1875 |
* so mark them all dirty. spa_unload() will do the |
|
1876 |
* final sync that pushes these changes out. |
|
1877 |
*/ |
|
| 1544 | 1878 |
if (new_state != POOL_STATE_UNINITIALIZED) {
|
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1879 |
spa_config_enter(spa, RW_WRITER, FTAG); |
| 1544 | 1880 |
spa->spa_state = new_state; |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1881 |
spa->spa_final_txg = spa_last_synced_txg(spa) + 1; |
| 1544 | 1882 |
vdev_config_dirty(spa->spa_root_vdev); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
1883 |
spa_config_exit(spa, FTAG); |
| 1544 | 1884 |
} |
| 789 | 1885 |
} |
1886 |
||
| 4451 | 1887 |
spa_event_notify(spa, NULL, ESC_ZFS_POOL_DESTROY); |
1888 |
||
| 789 | 1889 |
if (spa->spa_state != POOL_STATE_UNINITIALIZED) {
|
1890 |
spa_unload(spa); |
|
1891 |
spa_deactivate(spa); |
|
1892 |
} |
|
1893 |
||
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1894 |
if (oldconfig && spa->spa_config) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1895 |
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
|
1896 |
|
| 1544 | 1897 |
if (new_state != POOL_STATE_UNINITIALIZED) {
|
1898 |
spa_remove(spa); |
|
1899 |
spa_config_sync(); |
|
1900 |
} |
|
| 789 | 1901 |
mutex_exit(&spa_namespace_lock); |
1902 |
||
1903 |
return (0); |
|
1904 |
} |
|
1905 |
||
1906 |
/* |
|
1907 |
* Destroy a storage pool. |
|
1908 |
*/ |
|
1909 |
int |
|
1910 |
spa_destroy(char *pool) |
|
1911 |
{
|
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1912 |
return (spa_export_common(pool, POOL_STATE_DESTROYED, NULL)); |
| 789 | 1913 |
} |
1914 |
||
1915 |
/* |
|
1916 |
* Export a storage pool. |
|
1917 |
*/ |
|
1918 |
int |
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1919 |
spa_export(char *pool, nvlist_t **oldconfig) |
| 789 | 1920 |
{
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1921 |
return (spa_export_common(pool, POOL_STATE_EXPORTED, oldconfig)); |
| 789 | 1922 |
} |
1923 |
||
1924 |
/* |
|
| 1544 | 1925 |
* Similar to spa_export(), this unloads the spa_t without actually removing it |
1926 |
* from the namespace in any way. |
|
1927 |
*/ |
|
1928 |
int |
|
1929 |
spa_reset(char *pool) |
|
1930 |
{
|
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
1931 |
return (spa_export_common(pool, POOL_STATE_UNINITIALIZED, NULL)); |
| 1544 | 1932 |
} |
1933 |
||
1934 |
||
1935 |
/* |
|
| 789 | 1936 |
* ========================================================================== |
1937 |
* Device manipulation |
|
1938 |
* ========================================================================== |
|
1939 |
*/ |
|
1940 |
||
1941 |
/* |
|
| 4527 | 1942 |
* Add a device to a storage pool. |
| 789 | 1943 |
*/ |
1944 |
int |
|
1945 |
spa_vdev_add(spa_t *spa, nvlist_t *nvroot) |
|
1946 |
{
|
|
1947 |
uint64_t txg; |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
1948 |
int c, error; |
| 789 | 1949 |
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
|
1950 |
vdev_t *vd, *tvd; |
| 2082 | 1951 |
nvlist_t **spares; |
1952 |
uint_t i, nspares; |
|
| 789 | 1953 |
|
1954 |
txg = spa_vdev_enter(spa); |
|
1955 |
||
| 2082 | 1956 |
if ((error = spa_config_parse(spa, &vd, nvroot, NULL, 0, |
1957 |
VDEV_ALLOC_ADD)) != 0) |
|
1958 |
return (spa_vdev_exit(spa, NULL, txg, error)); |
|
1959 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1960 |
spa->spa_pending_vdev = vd; |
| 789 | 1961 |
|
| 2082 | 1962 |
if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
1963 |
&spares, &nspares) != 0) |
|
1964 |
nspares = 0; |
|
1965 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1966 |
if (vd->vdev_children == 0 && nspares == 0) {
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1967 |
spa->spa_pending_vdev = NULL; |
| 2082 | 1968 |
return (spa_vdev_exit(spa, vd, txg, EINVAL)); |
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1969 |
} |
| 2082 | 1970 |
|
1971 |
if (vd->vdev_children != 0) {
|
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1972 |
if ((error = vdev_create(vd, txg, B_FALSE)) != 0) {
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1973 |
spa->spa_pending_vdev = NULL; |
| 2082 | 1974 |
return (spa_vdev_exit(spa, vd, txg, error)); |
1975 |
} |
|
1976 |
} |
|
1977 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1978 |
/* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1979 |
* We must validate the spares after checking the children. Otherwise, |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1980 |
* vdev_inuse() will blindly overwrite the spare. |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1981 |
*/ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1982 |
if ((error = spa_validate_spares(spa, nvroot, txg, |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1983 |
VDEV_ALLOC_ADD)) != 0) {
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1984 |
spa->spa_pending_vdev = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1985 |
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
|
1986 |
} |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1987 |
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1988 |
spa->spa_pending_vdev = NULL; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1989 |
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1990 |
/* |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1991 |
* 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
|
1992 |
*/ |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1993 |
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
|
1994 |
tvd = vd->vdev_child[c]; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1995 |
vdev_remove_child(vd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1996 |
tvd->vdev_id = rvd->vdev_children; |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1997 |
vdev_add_child(rvd, tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1998 |
vdev_config_dirty(tvd); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
1999 |
} |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2000 |
|
| 2082 | 2001 |
if (nspares != 0) {
|
2002 |
if (spa->spa_sparelist != NULL) {
|
|
2003 |
nvlist_t **oldspares; |
|
2004 |
uint_t oldnspares; |
|
2005 |
nvlist_t **newspares; |
|
2006 |
||
2007 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_sparelist, |
|
2008 |
ZPOOL_CONFIG_SPARES, &oldspares, &oldnspares) == 0); |
|
2009 |
||
2010 |
newspares = kmem_alloc(sizeof (void *) * |
|
2011 |
(nspares + oldnspares), KM_SLEEP); |
|
2012 |
for (i = 0; i < oldnspares; i++) |
|
2013 |
VERIFY(nvlist_dup(oldspares[i], |
|
2014 |
&newspares[i], KM_SLEEP) == 0); |
|
2015 |
for (i = 0; i < nspares; i++) |
|
2016 |
VERIFY(nvlist_dup(spares[i], |
|
2017 |
&newspares[i + oldnspares], |
|
2018 |
KM_SLEEP) == 0); |
|
2019 |
||
2020 |
VERIFY(nvlist_remove(spa->spa_sparelist, |
|
2021 |
ZPOOL_CONFIG_SPARES, DATA_TYPE_NVLIST_ARRAY) == 0); |
|
2022 |
||
2023 |
VERIFY(nvlist_add_nvlist_array(spa->spa_sparelist, |
|
2024 |
ZPOOL_CONFIG_SPARES, newspares, |
|
2025 |
nspares + oldnspares) == 0); |
|
2026 |
for (i = 0; i < oldnspares + nspares; i++) |
|
2027 |
nvlist_free(newspares[i]); |
|
2028 |
kmem_free(newspares, (oldnspares + nspares) * |
|
2029 |
sizeof (void *)); |
|
2030 |
} else {
|
|
2031 |
VERIFY(nvlist_alloc(&spa->spa_sparelist, |
|
2032 |
NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
2033 |
VERIFY(nvlist_add_nvlist_array(spa->spa_sparelist, |
|
2034 |
ZPOOL_CONFIG_SPARES, spares, nspares) == 0); |
|
2035 |
} |
|
2036 |
||
2037 |
spa_load_spares(spa); |
|
2038 |
spa->spa_sync_spares = B_TRUE; |
|
| 789 | 2039 |
} |
2040 |
||
2041 |
/* |
|
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2042 |
* 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
|
2043 |
* 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
|
2044 |
* 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
|
2045 |
* 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
|
2046 |
* 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
|
2047 |
* 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
|
2048 |
* 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
|
2049 |
* |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2050 |
* 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
|
2051 |
* 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
|
2052 |
* steps will be completed the next time we load the pool. |
| 789 | 2053 |
*/ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2054 |
(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
|
2055 |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2056 |
mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2057 |
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
|
2058 |
mutex_exit(&spa_namespace_lock); |
| 789 | 2059 |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
2060 |
return (0); |
| 789 | 2061 |
} |
2062 |
||
2063 |
/* |
|
2064 |
* Attach a device to a mirror. The arguments are the path to any device |
|
2065 |
* in the mirror, and the nvroot for the new device. If the path specifies |
|
2066 |
* a device that is not mirrored, we automatically insert the mirror vdev. |
|
2067 |
* |
|
2068 |
* If 'replacing' is specified, the new device is intended to replace the |
|
2069 |
* existing device; in this case the two devices are made into their own |
|
| 4451 | 2070 |
* mirror using the 'replacing' vdev, which is functionally identical to |
| 789 | 2071 |
* the mirror vdev (it actually reuses all the same ops) but has a few |
2072 |
* extra rules: you can't attach to it after it's been created, and upon |
|
2073 |
* completion of resilvering, the first disk (the one being replaced) |
|
2074 |
* is automatically detached. |
|
2075 |
*/ |
|
2076 |
int |
|
| 1544 | 2077 |
spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing) |
| 789 | 2078 |
{
|
2079 |
uint64_t txg, open_txg; |
|
2080 |
int error; |
|
2081 |
vdev_t *rvd = spa->spa_root_vdev; |
|
2082 |
vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd; |
|
| 2082 | 2083 |
vdev_ops_t *pvops; |
| 4527 | 2084 |
int is_log; |
| 789 | 2085 |
|
2086 |
txg = spa_vdev_enter(spa); |
|
2087 |
||
| 1544 | 2088 |
oldvd = vdev_lookup_by_guid(rvd, guid); |
| 789 | 2089 |
|
2090 |
if (oldvd == NULL) |
|
2091 |
return (spa_vdev_exit(spa, NULL, txg, ENODEV)); |
|
2092 |
||
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2093 |
if (!oldvd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2094 |
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
|
2095 |
|
| 789 | 2096 |
pvd = oldvd->vdev_parent; |
2097 |
||
| 2082 | 2098 |
if ((error = spa_config_parse(spa, &newrootvd, nvroot, NULL, 0, |
| 4451 | 2099 |
VDEV_ALLOC_ADD)) != 0) |
2100 |
return (spa_vdev_exit(spa, NULL, txg, EINVAL)); |
|
2101 |
||
2102 |
if (newrootvd->vdev_children != 1) |
|
| 789 | 2103 |
return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
2104 |
||
2105 |
newvd = newrootvd->vdev_child[0]; |
|
2106 |
||
2107 |
if (!newvd->vdev_ops->vdev_op_leaf) |
|
2108 |
return (spa_vdev_exit(spa, newrootvd, txg, EINVAL)); |
|
2109 |
||
| 2082 | 2110 |
if ((error = vdev_create(newrootvd, txg, replacing)) != 0) |
| 789 | 2111 |
return (spa_vdev_exit(spa, newrootvd, txg, error)); |
2112 |
||
| 4527 | 2113 |
/* |
2114 |
* Spares can't replace logs |
|
2115 |
*/ |
|
2116 |
is_log = oldvd->vdev_islog; |
|
2117 |
if (is_log && newvd->vdev_isspare) |
|
2118 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
|
2119 |
||
| 2082 | 2120 |
if (!replacing) {
|
2121 |
/* |
|
2122 |
* For attach, the only allowable parent is a mirror or the root |
|
2123 |
* vdev. |
|
2124 |
*/ |
|
2125 |
if (pvd->vdev_ops != &vdev_mirror_ops && |
|
2126 |
pvd->vdev_ops != &vdev_root_ops) |
|
2127 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
|
2128 |
||
2129 |
pvops = &vdev_mirror_ops; |
|
2130 |
} else {
|
|
2131 |
/* |
|
2132 |
* Active hot spares can only be replaced by inactive hot |
|
2133 |
* spares. |
|
2134 |
*/ |
|
2135 |
if (pvd->vdev_ops == &vdev_spare_ops && |
|
2136 |
pvd->vdev_child[1] == oldvd && |
|
2137 |
!spa_has_spare(spa, newvd->vdev_guid)) |
|
2138 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
|
2139 |
||
2140 |
/* |
|
2141 |
* If the source is a hot spare, and the parent isn't already a |
|
2142 |
* 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
|
2143 |
* 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
|
2144 |
* 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
|
2145 |
* 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
|
2146 |
* non-spare). |
| 2082 | 2147 |
*/ |
2148 |
if (pvd->vdev_ops == &vdev_replacing_ops) |
|
2149 |
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
|
2150 |
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
|
2151 |
newvd->vdev_isspare != oldvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2152 |
return (spa_vdev_exit(spa, newrootvd, txg, ENOTSUP)); |
| 2082 | 2153 |
else if (pvd->vdev_ops != &vdev_spare_ops && |
2154 |
newvd->vdev_isspare) |
|
2155 |
pvops = &vdev_spare_ops; |
|
2156 |
else |
|
2157 |
pvops = &vdev_replacing_ops; |
|
2158 |
} |
|
2159 |
||
|
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
|
2160 |
/* |
|
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
|
2161 |
* 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
|
2162 |
* 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
|
2163 |
*/ |
|
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
|
2164 |
if (newvd->vdev_psize < vdev_get_rsize(oldvd)) |
| 789 | 2165 |
return (spa_vdev_exit(spa, newrootvd, txg, EOVERFLOW)); |
2166 |
||
| 1732 | 2167 |
/* |
2168 |
* The new device cannot have a higher alignment requirement |
|
2169 |
* than the top-level vdev. |
|
2170 |
*/ |
|
2171 |
if (newvd->vdev_ashift > oldvd->vdev_top->vdev_ashift) |
|
| 789 | 2172 |
return (spa_vdev_exit(spa, newrootvd, txg, EDOM)); |
2173 |
||
2174 |
/* |
|
2175 |
* If this is an in-place replacement, update oldvd's path and devid |
|
2176 |
* to make it distinguishable from newvd, and unopenable from now on. |
|
2177 |
*/ |
|
2178 |
if (strcmp(oldvd->vdev_path, newvd->vdev_path) == 0) {
|
|
2179 |
spa_strfree(oldvd->vdev_path); |
|
2180 |
oldvd->vdev_path = kmem_alloc(strlen(newvd->vdev_path) + 5, |
|
2181 |
KM_SLEEP); |
|
2182 |
(void) sprintf(oldvd->vdev_path, "%s/%s", |
|
2183 |
newvd->vdev_path, "old"); |
|
2184 |
if (oldvd->vdev_devid != NULL) {
|
|
2185 |
spa_strfree(oldvd->vdev_devid); |
|
2186 |
oldvd->vdev_devid = NULL; |
|
2187 |
} |
|
2188 |
} |
|
2189 |
||
2190 |
/* |
|
| 2082 | 2191 |
* If the parent is not a mirror, or if we're replacing, insert the new |
2192 |
* mirror/replacing/spare vdev above oldvd. |
|
| 789 | 2193 |
*/ |
2194 |
if (pvd->vdev_ops != pvops) |
|
2195 |
pvd = vdev_add_parent(oldvd, pvops); |
|
2196 |
||
2197 |
ASSERT(pvd->vdev_top->vdev_parent == rvd); |
|
2198 |
ASSERT(pvd->vdev_ops == pvops); |
|
2199 |
ASSERT(oldvd->vdev_parent == pvd); |
|
2200 |
||
2201 |
/* |
|
2202 |
* Extract the new device from its root and add it to pvd. |
|
2203 |
*/ |
|
2204 |
vdev_remove_child(newrootvd, newvd); |
|
2205 |
newvd->vdev_id = pvd->vdev_children; |
|
2206 |
vdev_add_child(pvd, newvd); |
|
2207 |
||
| 1544 | 2208 |
/* |
2209 |
* If newvd is smaller than oldvd, but larger than its rsize, |
|
2210 |
* the addition of newvd may have decreased our parent's asize. |
|
2211 |
*/ |
|
2212 |
pvd->vdev_asize = MIN(pvd->vdev_asize, newvd->vdev_asize); |
|
2213 |
||
| 789 | 2214 |
tvd = newvd->vdev_top; |
2215 |
ASSERT(pvd->vdev_top == tvd); |
|
2216 |
ASSERT(tvd->vdev_parent == rvd); |
|
2217 |
||
2218 |
vdev_config_dirty(tvd); |
|
2219 |
||
2220 |
/* |
|
2221 |
* Set newvd's DTL to [TXG_INITIAL, open_txg]. It will propagate |
|
2222 |
* upward when spa_vdev_exit() calls vdev_dtl_reassess(). |
|
2223 |
*/ |
|
2224 |
open_txg = txg + TXG_CONCURRENT_STATES - 1; |
|
2225 |
||
2226 |
mutex_enter(&newvd->vdev_dtl_lock); |
|
2227 |
space_map_add(&newvd->vdev_dtl_map, TXG_INITIAL, |
|
2228 |
open_txg - TXG_INITIAL + 1); |
|
2229 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
2230 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2231 |
if (newvd->vdev_isspare) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2232 |
spa_spare_activate(newvd); |
| 1544 | 2233 |
|
| 789 | 2234 |
/* |
2235 |
* Mark newvd's DTL dirty in this txg. |
|
2236 |
*/ |
|
| 1732 | 2237 |
vdev_dirty(tvd, VDD_DTL, newvd, txg); |
| 789 | 2238 |
|
2239 |
(void) spa_vdev_exit(spa, newrootvd, open_txg, 0); |
|
2240 |
||
2241 |
/* |
|
| 4451 | 2242 |
* Kick off a resilver to update newvd. We need to grab the namespace |
2243 |
* lock because spa_scrub() needs to post a sysevent with the pool name. |
|
| 789 | 2244 |
*/ |
| 4451 | 2245 |
mutex_enter(&spa_namespace_lock); |
| 789 | 2246 |
VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); |
| 4451 | 2247 |
mutex_exit(&spa_namespace_lock); |
| 789 | 2248 |
|
2249 |
return (0); |
|
2250 |
} |
|
2251 |
||
2252 |
/* |
|
2253 |
* Detach a device from a mirror or replacing vdev. |
|
2254 |
* If 'replace_done' is specified, only detach if the parent |
|
2255 |
* is a replacing vdev. |
|
2256 |
*/ |
|
2257 |
int |
|
| 1544 | 2258 |
spa_vdev_detach(spa_t *spa, uint64_t guid, int replace_done) |
| 789 | 2259 |
{
|
2260 |
uint64_t txg; |
|
2261 |
int c, t, error; |
|
2262 |
vdev_t *rvd = spa->spa_root_vdev; |
|
2263 |
vdev_t *vd, *pvd, *cvd, *tvd; |
|
| 2082 | 2264 |
boolean_t unspare = B_FALSE; |
2265 |
uint64_t unspare_guid; |
|
| 789 | 2266 |
|
2267 |
txg = spa_vdev_enter(spa); |
|
2268 |
||
| 1544 | 2269 |
vd = vdev_lookup_by_guid(rvd, guid); |
| 789 | 2270 |
|
2271 |
if (vd == NULL) |
|
2272 |
return (spa_vdev_exit(spa, NULL, txg, ENODEV)); |
|
2273 |
||
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2274 |
if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2275 |
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
|
2276 |
|
| 789 | 2277 |
pvd = vd->vdev_parent; |
2278 |
||
2279 |
/* |
|
2280 |
* If replace_done is specified, only remove this device if it's |
|
| 2082 | 2281 |
* the first child of a replacing vdev. For the 'spare' vdev, either |
2282 |
* disk can be removed. |
|
| 789 | 2283 |
*/ |
| 2082 | 2284 |
if (replace_done) {
|
2285 |
if (pvd->vdev_ops == &vdev_replacing_ops) {
|
|
2286 |
if (vd->vdev_id != 0) |
|
2287 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
2288 |
} else if (pvd->vdev_ops != &vdev_spare_ops) {
|
|
2289 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
|
2290 |
} |
|
2291 |
} |
|
2292 |
||
2293 |
ASSERT(pvd->vdev_ops != &vdev_spare_ops || |
|
| 4577 | 2294 |
spa_version(spa) >= SPA_VERSION_SPARES); |
| 789 | 2295 |
|
2296 |
/* |
|
| 2082 | 2297 |
* Only mirror, replacing, and spare vdevs support detach. |
| 789 | 2298 |
*/ |
2299 |
if (pvd->vdev_ops != &vdev_replacing_ops && |
|
| 2082 | 2300 |
pvd->vdev_ops != &vdev_mirror_ops && |
2301 |
pvd->vdev_ops != &vdev_spare_ops) |
|
| 789 | 2302 |
return (spa_vdev_exit(spa, NULL, txg, ENOTSUP)); |
2303 |
||
2304 |
/* |
|
2305 |
* If there's only one replica, you can't detach it. |
|
2306 |
*/ |
|
2307 |
if (pvd->vdev_children <= 1) |
|
2308 |
return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
|
2309 |
||
2310 |
/* |
|
2311 |
* If all siblings have non-empty DTLs, this device may have the only |
|
2312 |
* valid copy of the data, which means we cannot safely detach it. |
|
2313 |
* |
|
2314 |
* XXX -- as in the vdev_offline() case, we really want a more |
|
2315 |
* precise DTL check. |
|
2316 |
*/ |
|
2317 |
for (c = 0; c < pvd->vdev_children; c++) {
|
|
2318 |
uint64_t dirty; |
|
2319 |
||
2320 |
cvd = pvd->vdev_child[c]; |
|
2321 |
if (cvd == vd) |
|
2322 |
continue; |
|
2323 |
if (vdev_is_dead(cvd)) |
|
2324 |
continue; |
|
2325 |
mutex_enter(&cvd->vdev_dtl_lock); |
|
2326 |
dirty = cvd->vdev_dtl_map.sm_space | |
|
2327 |
cvd->vdev_dtl_scrub.sm_space; |
|
2328 |
mutex_exit(&cvd->vdev_dtl_lock); |
|
2329 |
if (!dirty) |
|
2330 |
break; |
|
2331 |
} |
|
| 2082 | 2332 |
|
2333 |
/* |
|
2334 |
* If we are a replacing or spare vdev, then we can always detach the |
|
2335 |
* latter child, as that is how one cancels the operation. |
|
2336 |
*/ |
|
2337 |
if ((pvd->vdev_ops == &vdev_mirror_ops || vd->vdev_id != 1) && |
|
2338 |
c == pvd->vdev_children) |
|
| 789 | 2339 |
return (spa_vdev_exit(spa, NULL, txg, EBUSY)); |
2340 |
||
2341 |
/* |
|
| 2082 | 2342 |
* If we are detaching the original disk from a spare, then it implies |
2343 |
* that the spare should become a real disk, and be removed from the |
|
2344 |
* active spare list for the pool. |
|
2345 |
*/ |
|
2346 |
if (pvd->vdev_ops == &vdev_spare_ops && |
|
2347 |
vd->vdev_id == 0) |
|
2348 |
unspare = B_TRUE; |
|
2349 |
||
2350 |
/* |
|
| 789 | 2351 |
* Erase the disk labels so the disk can be used for other things. |
2352 |
* This must be done after all other error cases are handled, |
|
2353 |
* but before we disembowel vd (so we can still do I/O to it). |
|
2354 |
* But if we can't do it, don't treat the error as fatal -- |
|
2355 |
* it may be that the unwritability of the disk is the reason |
|
2356 |
* it's being detached! |
|
2357 |
*/ |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2358 |
error = vdev_label_init(vd, 0, VDEV_LABEL_REMOVE); |
| 789 | 2359 |
|
2360 |
/* |
|
2361 |
* Remove vd from its parent and compact the parent's children. |
|
2362 |
*/ |
|
2363 |
vdev_remove_child(pvd, vd); |
|
2364 |
vdev_compact_children(pvd); |
|
2365 |
||
2366 |
/* |
|
2367 |
* Remember one of the remaining children so we can get tvd below. |
|
2368 |
*/ |
|
2369 |
cvd = pvd->vdev_child[0]; |
|
2370 |
||
2371 |
/* |
|
| 2082 | 2372 |
* If we need to remove the remaining child from the list of hot spares, |
2373 |
* do it now, marking the vdev as no longer a spare in the process. We |
|
2374 |
* must do this before vdev_remove_parent(), because that can change the |
|
2375 |
* GUID if it creates a new toplevel GUID. |
|
2376 |
*/ |
|
2377 |
if (unspare) {
|
|
2378 |
ASSERT(cvd->vdev_isspare); |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2379 |
spa_spare_remove(cvd); |
| 2082 | 2380 |
unspare_guid = cvd->vdev_guid; |
2381 |
} |
|
2382 |
||
2383 |
/* |
|
| 789 | 2384 |
* If the parent mirror/replacing vdev only has one child, |
2385 |
* the parent is no longer needed. Remove it from the tree. |
|
2386 |
*/ |
|
2387 |
if (pvd->vdev_children == 1) |
|
2388 |
vdev_remove_parent(cvd); |
|
2389 |
||
2390 |
/* |
|
2391 |
* We don't set tvd until now because the parent we just removed |
|
2392 |
* may have been the previous top-level vdev. |
|
2393 |
*/ |
|
2394 |
tvd = cvd->vdev_top; |
|
2395 |
ASSERT(tvd->vdev_parent == rvd); |
|
2396 |
||
2397 |
/* |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2398 |
* Reevaluate the parent vdev state. |
| 789 | 2399 |
*/ |
| 4451 | 2400 |
vdev_propagate_state(cvd); |
| 789 | 2401 |
|
2402 |
/* |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2403 |
* 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
|
2404 |
* 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
|
2405 |
* 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
|
2406 |
* there's nothing to read from disk. |
| 789 | 2407 |
*/ |
| 1732 | 2408 |
VERIFY(vdev_metaslab_init(tvd, txg) == 0); |
| 789 | 2409 |
|
2410 |
vdev_config_dirty(tvd); |
|
2411 |
||
2412 |
/* |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2413 |
* 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
|
2414 |
* 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
|
2415 |
* 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
|
2416 |
* prevent vd from being accessed after it's freed. |
| 789 | 2417 |
*/ |
2418 |
for (t = 0; t < TXG_SIZE; t++) |
|
2419 |
(void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t); |
|
| 1732 | 2420 |
vd->vdev_detached = B_TRUE; |
2421 |
vdev_dirty(tvd, VDD_DTL, vd, txg); |
|
| 789 | 2422 |
|
| 4451 | 2423 |
spa_event_notify(spa, vd, ESC_ZFS_VDEV_REMOVE); |
2424 |
||
| 2082 | 2425 |
error = spa_vdev_exit(spa, vd, txg, 0); |
2426 |
||
2427 |
/* |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
2428 |
* 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
|
2429 |
* 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
|
2430 |
* list of every other pool. |
| 2082 | 2431 |
*/ |
2432 |
if (unspare) {
|
|
2433 |
spa = NULL; |
|
2434 |
mutex_enter(&spa_namespace_lock); |
|
2435 |
while ((spa = spa_next(spa)) != NULL) {
|
|
2436 |
if (spa->spa_state != POOL_STATE_ACTIVE) |
|
2437 |
continue; |
|
2438 |
||
2439 |
(void) spa_vdev_remove(spa, unspare_guid, B_TRUE); |
|
2440 |
} |
|
2441 |
mutex_exit(&spa_namespace_lock); |
|
2442 |
} |
|
2443 |
||
2444 |
return (error); |
|
2445 |
} |
|
2446 |
||
2447 |
/* |
|
2448 |
* Remove a device from the pool. Currently, this supports removing only hot |
|
2449 |
* spares. |
|
2450 |
*/ |
|
2451 |
int |
|
2452 |
spa_vdev_remove(spa_t *spa, uint64_t guid, boolean_t unspare) |
|
2453 |
{
|
|
2454 |
vdev_t *vd; |
|
2455 |
nvlist_t **spares, *nv, **newspares; |
|
2456 |
uint_t i, j, nspares; |
|
2457 |
int ret = 0; |
|
2458 |
||
2459 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
2460 |
||
2461 |
vd = spa_lookup_by_guid(spa, guid); |
|
2462 |
||
2463 |
nv = NULL; |
|
2464 |
if (spa->spa_spares != NULL && |
|
2465 |
nvlist_lookup_nvlist_array(spa->spa_sparelist, ZPOOL_CONFIG_SPARES, |
|
2466 |
&spares, &nspares) == 0) {
|
|
2467 |
for (i = 0; i < nspares; i++) {
|
|
2468 |
uint64_t theguid; |
|
2469 |
||
2470 |
VERIFY(nvlist_lookup_uint64(spares[i], |
|
2471 |
ZPOOL_CONFIG_GUID, &theguid) == 0); |
|
2472 |
if (theguid == guid) {
|
|
2473 |
nv = spares[i]; |
|
2474 |
break; |
|
2475 |
} |
|
2476 |
} |
|
2477 |
} |
|
2478 |
||
2479 |
/* |
|
2480 |
* We only support removing a hot spare, and only if it's not currently |
|
2481 |
* in use in this pool. |
|
2482 |
*/ |
|
2483 |
if (nv == NULL && vd == NULL) {
|
|
2484 |
ret = ENOENT; |
|
2485 |
goto out; |
|
2486 |
} |
|
2487 |
||
2488 |
if (nv == NULL && vd != NULL) {
|
|
2489 |
ret = ENOTSUP; |
|
2490 |
goto out; |
|
2491 |
} |
|
2492 |
||
2493 |
if (!unspare && nv != NULL && vd != NULL) {
|
|
2494 |
ret = EBUSY; |
|
2495 |
goto out; |
|
2496 |
} |
|
2497 |
||
2498 |
if (nspares == 1) {
|
|
2499 |
newspares = NULL; |
|
2500 |
} else {
|
|
2501 |
newspares = kmem_alloc((nspares - 1) * sizeof (void *), |
|
2502 |
KM_SLEEP); |
|
2503 |
for (i = 0, j = 0; i < nspares; i++) {
|
|
2504 |
if (spares[i] != nv) |
|
2505 |
VERIFY(nvlist_dup(spares[i], |
|
2506 |
&newspares[j++], KM_SLEEP) == 0); |
|
2507 |
} |
|
2508 |
} |
|
2509 |
||
2510 |
VERIFY(nvlist_remove(spa->spa_sparelist, ZPOOL_CONFIG_SPARES, |
|
2511 |
DATA_TYPE_NVLIST_ARRAY) == 0); |
|
2512 |
VERIFY(nvlist_add_nvlist_array(spa->spa_sparelist, ZPOOL_CONFIG_SPARES, |
|
2513 |
newspares, nspares - 1) == 0); |
|
2514 |
for (i = 0; i < nspares - 1; i++) |
|
2515 |
nvlist_free(newspares[i]); |
|
2516 |
kmem_free(newspares, (nspares - 1) * sizeof (void *)); |
|
2517 |
spa_load_spares(spa); |
|
2518 |
spa->spa_sync_spares = B_TRUE; |
|
2519 |
||
2520 |
out: |
|
2521 |
spa_config_exit(spa, FTAG); |
|
2522 |
||
2523 |
return (ret); |
|
| 789 | 2524 |
} |
2525 |
||
2526 |
/* |
|
| 4451 | 2527 |
* Find any device that's done replacing, or a vdev marked 'unspare' that's |
2528 |
* current spared, so we can detach it. |
|
| 789 | 2529 |
*/ |
| 1544 | 2530 |
static vdev_t * |
| 4451 | 2531 |
spa_vdev_resilver_done_hunt(vdev_t *vd) |
| 789 | 2532 |
{
|
| 1544 | 2533 |
vdev_t *newvd, *oldvd; |
| 789 | 2534 |
int c; |
2535 |
||
| 1544 | 2536 |
for (c = 0; c < vd->vdev_children; c++) {
|
| 4451 | 2537 |
oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]); |
| 1544 | 2538 |
if (oldvd != NULL) |
2539 |
return (oldvd); |
|
2540 |
} |
|
| 789 | 2541 |
|
| 4451 | 2542 |
/* |
2543 |
* Check for a completed replacement. |
|
2544 |
*/ |
|
| 789 | 2545 |
if (vd->vdev_ops == &vdev_replacing_ops && vd->vdev_children == 2) {
|
| 1544 | 2546 |
oldvd = vd->vdev_child[0]; |
2547 |
newvd = vd->vdev_child[1]; |
|
| 789 | 2548 |
|
| 1544 | 2549 |
mutex_enter(&newvd->vdev_dtl_lock); |
2550 |
if (newvd->vdev_dtl_map.sm_space == 0 && |
|
2551 |
newvd->vdev_dtl_scrub.sm_space == 0) {
|
|
2552 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
2553 |
return (oldvd); |
|
2554 |
} |
|
2555 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
2556 |
} |
|
| 789 | 2557 |
|
| 4451 | 2558 |
/* |
2559 |
* Check for a completed resilver with the 'unspare' flag set. |
|
2560 |
*/ |
|
2561 |
if (vd->vdev_ops == &vdev_spare_ops && vd->vdev_children == 2) {
|
|
2562 |
newvd = vd->vdev_child[0]; |
|
2563 |
oldvd = vd->vdev_child[1]; |
|
2564 |
||
2565 |
mutex_enter(&newvd->vdev_dtl_lock); |
|
2566 |
if (newvd->vdev_unspare && |
|
2567 |
newvd->vdev_dtl_map.sm_space == 0 && |
|
2568 |
newvd->vdev_dtl_scrub.sm_space == 0) {
|
|
2569 |
newvd->vdev_unspare = 0; |
|
2570 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
2571 |
return (oldvd); |
|
2572 |
} |
|
2573 |
mutex_exit(&newvd->vdev_dtl_lock); |
|
2574 |
} |
|
2575 |
||
| 1544 | 2576 |
return (NULL); |
| 789 | 2577 |
} |
2578 |
||
| 1544 | 2579 |
static void |
| 4451 | 2580 |
spa_vdev_resilver_done(spa_t *spa) |
| 789 | 2581 |
{
|
| 1544 | 2582 |
vdev_t *vd; |
| 2082 | 2583 |
vdev_t *pvd; |
| 1544 | 2584 |
uint64_t guid; |
| 2082 | 2585 |
uint64_t pguid = 0; |
| 789 | 2586 |
|
| 1544 | 2587 |
spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 2588 |
|
| 4451 | 2589 |
while ((vd = spa_vdev_resilver_done_hunt(spa->spa_root_vdev)) != NULL) {
|
| 1544 | 2590 |
guid = vd->vdev_guid; |
| 2082 | 2591 |
/* |
2592 |
* If we have just finished replacing a hot spared device, then |
|
2593 |
* we need to detach the parent's first child (the original hot |
|
2594 |
* spare) as well. |
|
2595 |
*/ |
|
2596 |
pvd = vd->vdev_parent; |
|
2597 |
if (pvd->vdev_parent->vdev_ops == &vdev_spare_ops && |
|
2598 |
pvd->vdev_id == 0) {
|
|
2599 |
ASSERT(pvd->vdev_ops == &vdev_replacing_ops); |
|
2600 |
ASSERT(pvd->vdev_parent->vdev_children == 2); |
|
2601 |
pguid = pvd->vdev_parent->vdev_child[1]->vdev_guid; |
|
2602 |
} |
|
| 1544 | 2603 |
spa_config_exit(spa, FTAG); |
2604 |
if (spa_vdev_detach(spa, guid, B_TRUE) != 0) |
|
2605 |
return; |
|
| 2082 | 2606 |
if (pguid != 0 && spa_vdev_detach(spa, pguid, B_TRUE) != 0) |
2607 |
return; |
|
| 1544 | 2608 |
spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 2609 |
} |
2610 |
||
| 1544 | 2611 |
spa_config_exit(spa, FTAG); |
| 789 | 2612 |
} |
2613 |
||
2614 |
/* |
|
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2615 |
* 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
|
2616 |
* on spa_vdev_enter/exit() to synchronize the labels and cache. |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2617 |
*/ |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2618 |
int |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2619 |
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
|
2620 |
{
|
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2621 |
vdev_t *rvd, *vd; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2622 |
uint64_t txg; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2623 |
|
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2624 |
rvd = spa->spa_root_vdev; |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2625 |
|
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2626 |
txg = spa_vdev_enter(spa); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2627 |
|
| 2082 | 2628 |
if ((vd = vdev_lookup_by_guid(rvd, guid)) == NULL) {
|
2629 |
/* |
|
2630 |
* Determine if this is a reference to a hot spare. In that |
|
2631 |
* case, update the path as stored in the spare list. |
|
2632 |
*/ |
|
2633 |
nvlist_t **spares; |
|
2634 |
uint_t i, nspares; |
|
2635 |
if (spa->spa_sparelist != NULL) {
|
|
2636 |
VERIFY(nvlist_lookup_nvlist_array(spa->spa_sparelist, |
|
2637 |
ZPOOL_CONFIG_SPARES, &spares, &nspares) == 0); |
|
2638 |
for (i = 0; i < nspares; i++) {
|
|
2639 |
uint64_t theguid; |
|
2640 |
VERIFY(nvlist_lookup_uint64(spares[i], |
|
2641 |
ZPOOL_CONFIG_GUID, &theguid) == 0); |
|
2642 |
if (theguid == guid) |
|
2643 |
break; |
|
2644 |
} |
|
2645 |
||
2646 |
if (i == nspares) |
|
2647 |
return (spa_vdev_exit(spa, NULL, txg, ENOENT)); |
|
2648 |
||
2649 |
VERIFY(nvlist_add_string(spares[i], |
|
2650 |
ZPOOL_CONFIG_PATH, newpath) == 0); |
|
2651 |
spa_load_spares(spa); |
|
2652 |
spa->spa_sync_spares = B_TRUE; |
|
2653 |
return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
2654 |
} else {
|
|
2655 |
return (spa_vdev_exit(spa, NULL, txg, ENOENT)); |
|
2656 |
} |
|
2657 |
} |
|
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2658 |
|
|
1585
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2659 |
if (!vd->vdev_ops->vdev_op_leaf) |
|
4ad213e858a9
6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
bonwick
parents:
1544
diff
changeset
|
2660 |
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
|
2661 |
|
|
1354
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2662 |
spa_strfree(vd->vdev_path); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2663 |
vd->vdev_path = spa_strdup(newpath); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2664 |
|
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2665 |
vdev_config_dirty(vd->vdev_top); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2666 |
|
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2667 |
return (spa_vdev_exit(spa, NULL, txg, 0)); |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2668 |
} |
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2669 |
|
|
81359ee1ee63
6362672 import gets confused about overlapping slices
eschrock
parents:
1175
diff
changeset
|
2670 |
/* |
| 789 | 2671 |
* ========================================================================== |
2672 |
* SPA Scrubbing |
|
2673 |
* ========================================================================== |
|
2674 |
*/ |
|
2675 |
||
2676 |
static void |
|
2677 |
spa_scrub_io_done(zio_t *zio) |
|
2678 |
{
|
|
2679 |
spa_t *spa = zio->io_spa; |
|
2680 |
||
|
4309
3dfde0f4662d
6542676 ARC needs to track meta-data memory overhead
maybee
parents:
4178
diff
changeset
|
2681 |
arc_data_buf_free(zio->io_data, zio->io_size); |
| 789 | 2682 |
|
2683 |
mutex_enter(&spa->spa_scrub_lock); |
|
| 1544 | 2684 |
if (zio->io_error && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2685 |
vdev_t *vd = zio->io_vd ? zio->io_vd : spa->spa_root_vdev; |
| 789 | 2686 |
spa->spa_scrub_errors++; |
2687 |
mutex_enter(&vd->vdev_stat_lock); |
|
2688 |
vd->vdev_stat.vs_scrub_errors++; |
|
2689 |
mutex_exit(&vd->vdev_stat_lock); |
|
2690 |
} |
|
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2691 |
|
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2692 |
if (--spa->spa_scrub_inflight < spa->spa_scrub_maxinflight) |
| 1544 | 2693 |
cv_broadcast(&spa->spa_scrub_io_cv); |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2694 |
|
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2695 |
ASSERT(spa->spa_scrub_inflight >= 0); |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2696 |
|
| 1544 | 2697 |
mutex_exit(&spa->spa_scrub_lock); |
| 789 | 2698 |
} |
2699 |
||
2700 |
static void |
|
| 1544 | 2701 |
spa_scrub_io_start(spa_t *spa, blkptr_t *bp, int priority, int flags, |
2702 |
zbookmark_t *zb) |
|
| 789 | 2703 |
{
|
2704 |
size_t size = BP_GET_LSIZE(bp); |
|
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2705 |
void *data; |
| 789 | 2706 |
|
2707 |
mutex_enter(&spa->spa_scrub_lock); |
|
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2708 |
/* |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2709 |
* Do not give too much work to vdev(s). |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2710 |
*/ |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2711 |
while (spa->spa_scrub_inflight >= spa->spa_scrub_maxinflight) {
|
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2712 |
cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); |
|
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2713 |
} |
| 789 | 2714 |
spa->spa_scrub_inflight++; |
2715 |
mutex_exit(&spa->spa_scrub_lock); |
|
2716 |
||
|
4309
3dfde0f4662d
6542676 ARC needs to track meta-data memory overhead
maybee
parents:
4178
diff
changeset
|
2717 |
data = arc_data_buf_alloc(size); |
|
3697
5340a4d98e0b
6456888 zpool scrubbing leads to memory exhaustion and system hang
mishra
parents:
3377
diff
changeset
|
2718 |
|
| 1544 | 2719 |
if (zb->zb_level == -1 && BP_GET_TYPE(bp) != DMU_OT_OBJSET) |
2720 |
flags |= ZIO_FLAG_SPECULATIVE; /* intent log block */ |
|
2721 |
||
|
1807
35c8b566d7af
6410711 intent log blocks don't get invited to pool parties
bonwick
parents:
1775
diff
changeset
|
2722 |
flags |= ZIO_FLAG_SCRUB_THREAD | ZIO_FLAG_CANFAIL; |
| 1544 | 2723 |
|
| 789 | 2724 |
zio_nowait(zio_read(NULL, spa, bp, data, size, |
| 1544 | 2725 |
spa_scrub_io_done, NULL, priority, flags, zb)); |
| 789 | 2726 |
} |
2727 |
||
2728 |
/* ARGSUSED */ |
|
2729 |
static int |
|
2730 |
spa_scrub_cb(traverse_blk_cache_t *bc, spa_t *spa, void *a) |
|
2731 |
{
|
|
2732 |
blkptr_t *bp = &bc->bc_blkptr; |
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2733 |
vdev_t *vd = spa->spa_root_vdev; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2734 |
dva_t *dva = bp->blk_dva; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2735 |
int needs_resilver = B_FALSE; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2736 |
int d; |
| 789 | 2737 |
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2738 |
if (bc->bc_errno) {
|
| 789 | 2739 |
/* |
2740 |
* We can't scrub this block, but we can continue to scrub |
|
2741 |
* the rest of the pool. Note the error and move along. |
|
2742 |
*/ |
|
2743 |
mutex_enter(&spa->spa_scrub_lock); |
|
2744 |
spa->spa_scrub_errors++; |
|
2745 |
mutex_exit(&spa->spa_scrub_lock); |
|
2746 |
||
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2747 |
mutex_enter(&vd->vdev_stat_lock); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2748 |
vd->vdev_stat.vs_scrub_errors++; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2749 |
mutex_exit(&vd->vdev_stat_lock); |
| 789 | 2750 |
|
2751 |
return (ERESTART); |
|
2752 |
} |
|
2753 |
||
2754 |
ASSERT(bp->blk_birth < spa->spa_scrub_maxtxg); |
|
2755 |
||
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2756 |
for (d = 0; d < BP_GET_NDVAS(bp); d++) {
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2757 |
vd = vdev_lookup_top(spa, DVA_GET_VDEV(&dva[d])); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2758 |
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2759 |
ASSERT(vd != NULL); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2760 |
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2761 |
/* |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2762 |
* Keep track of how much data we've examined so that |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2763 |
* zpool(1M) status can make useful progress reports. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2764 |
*/ |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2765 |
mutex_enter(&vd->vdev_stat_lock); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2766 |
vd->vdev_stat.vs_scrub_examined += DVA_GET_ASIZE(&dva[d]); |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2767 |
mutex_exit(&vd->vdev_stat_lock); |
| 789 | 2768 |
|
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2769 |
if (spa->spa_scrub_type == POOL_SCRUB_RESILVER) {
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2770 |
if (DVA_GET_GANG(&dva[d])) {
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2771 |
/* |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2772 |
* Gang members may be spread across multiple |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2773 |
* vdevs, so the best we can do is look at the |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2774 |
* pool-wide DTL. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2775 |
* XXX -- it would be better to change our |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2776 |
* allocation policy to ensure that this can't |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2777 |
* happen. |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2778 |
*/ |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2779 |
vd = spa->spa_root_vdev; |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2780 |
} |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2781 |
if (vdev_dtl_contains(&vd->vdev_dtl_map, |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2782 |
bp->blk_birth, 1)) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2783 |
needs_resilver = B_TRUE; |
| 789 | 2784 |
} |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2785 |
} |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2786 |
|
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2787 |
if (spa->spa_scrub_type == POOL_SCRUB_EVERYTHING) |
| 789 | 2788 |
spa_scrub_io_start(spa, bp, ZIO_PRIORITY_SCRUB, |
| 1544 | 2789 |
ZIO_FLAG_SCRUB, &bc->bc_bookmark); |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2790 |
else if (needs_resilver) |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2791 |
spa_scrub_io_start(spa, bp, ZIO_PRIORITY_RESILVER, |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1760
diff
changeset
|
2792 |
ZIO_FLAG_RESILVER, &bc->bc_bookmark); |
| 789 | 2793 |
|
2794 |
return (0); |
|
2795 |
} |
|
2796 |
||
2797 |
static void |
|
2798 |
spa_scrub_thread(spa_t *spa) |
|
2799 |
{
|
|
2800 |
callb_cpr_t cprinfo; |
|
2801 |
traverse_handle_t *th = spa->spa_scrub_th; |
|
2802 |
vdev_t *rvd = spa->spa_root_vdev; |
|
2803 |
pool_scrub_type_t scrub_type = spa->spa_scrub_type; |
|
2804 |
int error = 0; |
|
2805 |
boolean_t complete; |
|
2806 |
||
2807 |
CALLB_CPR_INIT(&cprinfo, &spa->spa_scrub_lock, callb_generic_cpr, FTAG); |
|
2808 |
||
|
797
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
2809 |
/* |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
2810 |
* If we're restarting due to a snapshot create/delete, |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
2811 |
* wait for that to complete. |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
2812 |
*/ |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
2813 |
txg_wait_synced(spa_get_dsl(spa), 0); |
|
af56ba8b7e41
6344108 snapshot create/delete interlock with scrub/resilver must sync txg
bonwick
parents:
789
diff
changeset
|
2814 |
|
| 1544 | 2815 |
dprintf("start %s mintxg=%llu maxtxg=%llu\n",
|
2816 |
scrub_type == POOL_SCRUB_RESILVER ? "resilver" : "scrub", |
|
2817 |
spa->spa_scrub_mintxg, spa->spa_scrub_maxtxg); |
|
2818 |
||
2819 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
2820 |
vdev_reopen(rvd); /* purge all vdev caches */ |
|
| 789 | 2821 |
vdev_config_dirty(rvd); /* rewrite all disk labels */ |
2822 |
vdev_scrub_stat_update(rvd, scrub_type, B_FALSE); |
|
| 1544 | 2823 |
spa_config_exit(spa, FTAG); |
| 789 | 2824 |
|
2825 |
mutex_enter(&spa->spa_scrub_lock); |
|
2826 |
spa->spa_scrub_errors = 0; |
|
2827 |
spa->spa_scrub_active = 1; |
|
| 1544 | 2828 |
ASSERT(spa->spa_scrub_inflight == 0); |
| 789 | 2829 |
|
2830 |
while (!spa->spa_scrub_stop) {
|
|
2831 |
CALLB_CPR_SAFE_BEGIN(&cprinfo); |
|
| 1544 | 2832 |
while (spa->spa_scrub_suspended) {
|
| 789 | 2833 |
spa->spa_scrub_active = 0; |
2834 |
cv_broadcast(&spa->spa_scrub_cv); |
|
2835 |
cv_wait(&spa->spa_scrub_cv, &spa->spa_scrub_lock); |
|
2836 |
spa->spa_scrub_active = 1; |
|
2837 |
} |
|
2838 |
CALLB_CPR_SAFE_END(&cprinfo, &spa->spa_scrub_lock); |
|
2839 |
||
2840 |
if (spa->spa_scrub_restart_txg != 0) |
|
2841 |
break; |
|
2842 |
||
2843 |
mutex_exit(&spa->spa_scrub_lock); |
|
2844 |
error = traverse_more(th); |
|
2845 |
mutex_enter(&spa->spa_scrub_lock); |
|
2846 |
if (error != EAGAIN) |
|
2847 |
break; |
|
2848 |
} |
|
2849 |
||
2850 |
while (spa->spa_scrub_inflight) |
|
2851 |
cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); |
|
2852 |
||
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2853 |
spa->spa_scrub_active = 0; |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2854 |
cv_broadcast(&spa->spa_scrub_cv); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2855 |
|
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2856 |
mutex_exit(&spa->spa_scrub_lock); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2857 |
|
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2858 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2859 |
|
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2860 |
mutex_enter(&spa->spa_scrub_lock); |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2861 |
|
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2862 |
/* |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2863 |
* Note: we check spa_scrub_restart_txg under both spa_scrub_lock |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2864 |
* AND the spa config lock to synchronize with any config changes |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2865 |
* that revise the DTLs under spa_vdev_enter() / spa_vdev_exit(). |
|
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2866 |
*/ |
| 789 | 2867 |
if (spa->spa_scrub_restart_txg != 0) |
2868 |
error = ERESTART; |
|
2869 |
||
| 1544 | 2870 |
if (spa->spa_scrub_stop) |
2871 |
error = EINTR; |
|
2872 |
||
| 789 | 2873 |
/* |
| 1544 | 2874 |
* Even if there were uncorrectable errors, we consider the scrub |
2875 |
* completed. The downside is that if there is a transient error during |
|
2876 |
* a resilver, we won't resilver the data properly to the target. But |
|
2877 |
* if the damage is permanent (more likely) we will resilver forever, |
|
2878 |
* which isn't really acceptable. Since there is enough information for |
|
2879 |
* the user to know what has failed and why, this seems like a more |
|
2880 |
* tractable approach. |
|
| 789 | 2881 |
*/ |
| 1544 | 2882 |
complete = (error == 0); |
| 789 | 2883 |
|
| 1544 | 2884 |
dprintf("end %s to maxtxg=%llu %s, traverse=%d, %llu errors, stop=%u\n",
|
2885 |
scrub_type == POOL_SCRUB_RESILVER ? "resilver" : "scrub", |
|
| 789 | 2886 |
spa->spa_scrub_maxtxg, complete ? "done" : "FAILED", |
2887 |
error, spa->spa_scrub_errors, spa->spa_scrub_stop); |
|
2888 |
||
2889 |
mutex_exit(&spa->spa_scrub_lock); |
|
2890 |
||
2891 |
/* |
|
2892 |
* If the scrub/resilver completed, update all DTLs to reflect this. |
|
2893 |
* Whether it succeeded or not, vacate all temporary scrub DTLs. |
|
2894 |
*/ |
|
2895 |
vdev_dtl_reassess(rvd, spa_last_synced_txg(spa) + 1, |
|
2896 |
complete ? spa->spa_scrub_maxtxg : 0, B_TRUE); |
|
2897 |
vdev_scrub_stat_update(rvd, POOL_SCRUB_NONE, complete); |
|
| 1544 | 2898 |
spa_errlog_rotate(spa); |
|
1601
438b928f80c7
6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
bonwick
parents:
1585
diff
changeset
|
2899 |
|
| 4451 | 2900 |
if (scrub_type == POOL_SCRUB_RESILVER && complete) |
2901 |
spa_event_notify(spa, NULL, ESC_ZFS_RESILVER_FINISH); |
|
2902 |
||
| 1544 | 2903 |
spa_config_exit(spa, FTAG); |
| 789 | 2904 |
|
2905 |
mutex_enter(&spa->spa_scrub_lock); |
|
2906 |
||
| 1544 | 2907 |
/* |
2908 |
* We may have finished replacing a device. |
|
2909 |
* Let the async thread assess this and handle the detach. |
|
2910 |
*/ |
|
| 4451 | 2911 |
spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 789 | 2912 |
|
2913 |
/* |
|
2914 |
* If we were told to restart, our final act is to start a new scrub. |
|
2915 |
*/ |
|
2916 |
if (error == ERESTART) |
|
| 1544 | 2917 |
spa_async_request(spa, scrub_type == POOL_SCRUB_RESILVER ? |
2918 |
SPA_ASYNC_RESILVER : SPA_ASYNC_SCRUB); |
|
| 789 | 2919 |
|
| 1544 | 2920 |
spa->spa_scrub_type = POOL_SCRUB_NONE; |
2921 |
spa->spa_scrub_active = 0; |
|
2922 |
spa->spa_scrub_thread = NULL; |
|
2923 |
cv_broadcast(&spa->spa_scrub_cv); |
|
| 789 | 2924 |
CALLB_CPR_EXIT(&cprinfo); /* drops &spa->spa_scrub_lock */ |
2925 |
thread_exit(); |
|
2926 |
} |
|
2927 |
||
2928 |
void |
|
2929 |
spa_scrub_suspend(spa_t *spa) |
|
2930 |
{
|
|
2931 |
mutex_enter(&spa->spa_scrub_lock); |
|
| 1544 | 2932 |
spa->spa_scrub_suspended++; |
| 789 | 2933 |
while (spa->spa_scrub_active) {
|
2934 |
cv_broadcast(&spa->spa_scrub_cv); |
|
2935 |
cv_wait(&spa->spa_scrub_cv, &spa->spa_scrub_lock); |
|
2936 |
} |
|
2937 |
while (spa->spa_scrub_inflight) |
|
2938 |
cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); |
|
2939 |
mutex_exit(&spa->spa_scrub_lock); |
|
2940 |
} |
|
2941 |
||
2942 |
void |
|
2943 |
spa_scrub_resume(spa_t *spa) |
|
2944 |
{
|
|
2945 |
mutex_enter(&spa->spa_scrub_lock); |
|
| 1544 | 2946 |
ASSERT(spa->spa_scrub_suspended != 0); |
2947 |
if (--spa->spa_scrub_suspended == 0) |
|
| 789 | 2948 |
cv_broadcast(&spa->spa_scrub_cv); |
2949 |
mutex_exit(&spa->spa_scrub_lock); |
|
2950 |
} |
|
2951 |
||
2952 |
void |
|
2953 |
spa_scrub_restart(spa_t *spa, uint64_t txg) |
|
2954 |
{
|
|
2955 |
/* |
|
2956 |
* Something happened (e.g. snapshot create/delete) that means |
|
2957 |
* we must restart any in-progress scrubs. The itinerary will |
|
2958 |
* fix this properly. |
|
2959 |
*/ |
|
2960 |
mutex_enter(&spa->spa_scrub_lock); |
|
2961 |
spa->spa_scrub_restart_txg = txg; |
|
2962 |
mutex_exit(&spa->spa_scrub_lock); |
|
2963 |
} |
|
2964 |
||
| 1544 | 2965 |
int |
2966 |
spa_scrub(spa_t *spa, pool_scrub_type_t type, boolean_t force) |
|
| 789 | 2967 |
{
|
2968 |
space_seg_t *ss; |
|
2969 |
uint64_t mintxg, maxtxg; |
|
2970 |
vdev_t *rvd = spa->spa_root_vdev; |
|
2971 |
||
| 4808 | 2972 |
ASSERT(MUTEX_HELD(&spa_namespace_lock)); |
2973 |
ASSERT(!spa_config_held(spa, RW_WRITER)); |
|
2974 |
||
| 789 | 2975 |
if ((uint_t)type >= POOL_SCRUB_TYPES) |
2976 |
return (ENOTSUP); |
|
2977 |
||
| 1544 | 2978 |
mutex_enter(&spa->spa_scrub_lock); |
2979 |
||
| 789 | 2980 |
/* |
2981 |
* If there's a scrub or resilver already in progress, stop it. |
|
2982 |
*/ |
|
2983 |
while (spa->spa_scrub_thread != NULL) {
|
|
2984 |
/* |
|
2985 |
* Don't stop a resilver unless forced. |
|
2986 |
*/ |
|
| 1544 | 2987 |
if (spa->spa_scrub_type == POOL_SCRUB_RESILVER && !force) {
|
2988 |
mutex_exit(&spa->spa_scrub_lock); |
|
| 789 | 2989 |
return (EBUSY); |
| 1544 | 2990 |
} |
| 789 | 2991 |
spa->spa_scrub_stop = 1; |
2992 |
cv_broadcast(&spa->spa_scrub_cv); |
|
2993 |
cv_wait(&spa->spa_scrub_cv, &spa->spa_scrub_lock); |
|
2994 |
} |
|
2995 |
||
2996 |
/* |
|
2997 |
* Terminate the previous traverse. |
|
2998 |
*/ |
|
2999 |
if (spa->spa_scrub_th != NULL) {
|
|
3000 |
traverse_fini(spa->spa_scrub_th); |
|
3001 |
spa->spa_scrub_th = NULL; |
|
3002 |
} |
|
3003 |
||
| 1544 | 3004 |
if (rvd == NULL) {
|
3005 |
ASSERT(spa->spa_scrub_stop == 0); |
|
3006 |
ASSERT(spa->spa_scrub_type == type); |
|
3007 |
ASSERT(spa->spa_scrub_restart_txg == 0); |
|
3008 |
mutex_exit(&spa->spa_scrub_lock); |
|
3009 |
return (0); |
|
3010 |
} |
|
| 789 | 3011 |
|
3012 |
mintxg = TXG_INITIAL - 1; |
|
3013 |
maxtxg = spa_last_synced_txg(spa) + 1; |
|
3014 |
||
| 1544 | 3015 |
mutex_enter(&rvd->vdev_dtl_lock); |
| 789 | 3016 |
|
| 1544 | 3017 |
if (rvd->vdev_dtl_map.sm_space == 0) {
|
3018 |
/* |
|
3019 |
* The pool-wide DTL is empty. |
|
| 1732 | 3020 |
* If this is a resilver, there's nothing to do except |
3021 |
* check whether any in-progress replacements have completed. |
|
| 1544 | 3022 |
*/ |
| 1732 | 3023 |
if (type == POOL_SCRUB_RESILVER) {
|
| 1544 | 3024 |
type = POOL_SCRUB_NONE; |
| 4451 | 3025 |
spa_async_request(spa, SPA_ASYNC_RESILVER_DONE); |
| 1732 | 3026 |
} |
| 1544 | 3027 |
} else {
|
3028 |
/* |
|
3029 |
* The pool-wide DTL is non-empty. |
|
3030 |
* If this is a normal scrub, upgrade to a resilver instead. |
|
3031 |
*/ |
|
3032 |
if (type == POOL_SCRUB_EVERYTHING) |
|
3033 |
type = POOL_SCRUB_RESILVER; |
|
3034 |
} |
|
| 789 | 3035 |
|
| 1544 | 3036 |
if (type == POOL_SCRUB_RESILVER) {
|
| 789 | 3037 |
/* |
3038 |
* Determine the resilvering boundaries. |
|
3039 |
* |
|
3040 |
* Note: (mintxg, maxtxg) is an open interval, |
|
3041 |
* i.e. mintxg and maxtxg themselves are not included. |
|
3042 |
* |
|
3043 |
* Note: for maxtxg, we MIN with spa_last_synced_txg(spa) + 1 |
|
3044 |
* so we don't claim to resilver a txg that's still changing. |
|
3045 |
*/ |
|
3046 |
ss = avl_first(&rvd->vdev_dtl_map.sm_root); |
|
| 1544 | 3047 |
mintxg = ss->ss_start - 1; |
| 789 | 3048 |
ss = avl_last(&rvd->vdev_dtl_map.sm_root); |
| 1544 | 3049 |
maxtxg = MIN(ss->ss_end, maxtxg); |
| 4451 | 3050 |
|
3051 |
spa_event_notify(spa, NULL, ESC_ZFS_RESILVER_START); |
|
| 789 | 3052 |
} |
3053 |
||
| 1544 | 3054 |
mutex_exit(&rvd->vdev_dtl_lock); |
3055 |
||
3056 |
spa->spa_scrub_stop = 0; |
|
3057 |
spa->spa_scrub_type = type; |
|
3058 |
spa->spa_scrub_restart_txg = 0; |
|
3059 |
||
3060 |
if (type != POOL_SCRUB_NONE) {
|
|
3061 |
spa->spa_scrub_mintxg = mintxg; |
|
| 789 | 3062 |
spa->spa_scrub_maxtxg = maxtxg; |
3063 |
spa->spa_scrub_th = traverse_init(spa, spa_scrub_cb, NULL, |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3064 |
ADVANCE_PRE | ADVANCE_PRUNE | ADVANCE_ZIL, |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3065 |
ZIO_FLAG_CANFAIL); |
| 789 | 3066 |
traverse_add_pool(spa->spa_scrub_th, mintxg, maxtxg); |
3067 |
spa->spa_scrub_thread = thread_create(NULL, 0, |
|
3068 |
spa_scrub_thread, spa, 0, &p0, TS_RUN, minclsyspri); |
|
3069 |
} |
|
3070 |
||
| 1544 | 3071 |
mutex_exit(&spa->spa_scrub_lock); |
3072 |
||
| 789 | 3073 |
return (0); |
3074 |
} |
|
3075 |
||
| 1544 | 3076 |
/* |
3077 |
* ========================================================================== |
|
3078 |
* SPA async task processing |
|
3079 |
* ========================================================================== |
|
3080 |
*/ |
|
3081 |
||
3082 |
static void |
|
| 4451 | 3083 |
spa_async_remove(spa_t *spa, vdev_t *vd) |
| 789 | 3084 |
{
|
| 1544 | 3085 |
vdev_t *tvd; |
3086 |
int c; |
|
3087 |
||
| 4451 | 3088 |
for (c = 0; c < vd->vdev_children; c++) {
|
3089 |
tvd = vd->vdev_child[c]; |
|
3090 |
if (tvd->vdev_remove_wanted) {
|
|
3091 |
tvd->vdev_remove_wanted = 0; |
|
3092 |
vdev_set_state(tvd, B_FALSE, VDEV_STATE_REMOVED, |
|
3093 |
VDEV_AUX_NONE); |
|
3094 |
vdev_clear(spa, tvd); |
|
3095 |
vdev_config_dirty(tvd->vdev_top); |
|
| 1544 | 3096 |
} |
| 4451 | 3097 |
spa_async_remove(spa, tvd); |
| 1544 | 3098 |
} |
3099 |
} |
|
3100 |
||
3101 |
static void |
|
3102 |
spa_async_thread(spa_t *spa) |
|
3103 |
{
|
|
3104 |
int tasks; |
|
| 4451 | 3105 |
uint64_t txg; |
| 1544 | 3106 |
|
3107 |
ASSERT(spa->spa_sync_on); |
|
| 789 | 3108 |
|
| 1544 | 3109 |
mutex_enter(&spa->spa_async_lock); |
3110 |
tasks = spa->spa_async_tasks; |
|
3111 |
spa->spa_async_tasks = 0; |
|
3112 |
mutex_exit(&spa->spa_async_lock); |
|
3113 |
||
3114 |
/* |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3115 |
* 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
|
3116 |
*/ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3117 |
if (tasks & SPA_ASYNC_CONFIG_UPDATE) {
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3118 |
mutex_enter(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3119 |
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
|
3120 |
mutex_exit(&spa_namespace_lock); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3121 |
} |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3122 |
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3123 |
/* |
| 4451 | 3124 |
* See if any devices need to be marked REMOVED. |
| 1544 | 3125 |
*/ |
| 4451 | 3126 |
if (tasks & SPA_ASYNC_REMOVE) {
|
3127 |
txg = spa_vdev_enter(spa); |
|
3128 |
spa_async_remove(spa, spa->spa_root_vdev); |
|
3129 |
(void) spa_vdev_exit(spa, NULL, txg, 0); |
|
3130 |
} |
|
| 1544 | 3131 |
|
3132 |
/* |
|
3133 |
* If any devices are done replacing, detach them. |
|
3134 |
*/ |
|
| 4451 | 3135 |
if (tasks & SPA_ASYNC_RESILVER_DONE) |
3136 |
spa_vdev_resilver_done(spa); |
|
| 789 | 3137 |
|
| 1544 | 3138 |
/* |
| 4451 | 3139 |
* Kick off a scrub. When starting a RESILVER scrub (or an EVERYTHING |
3140 |
* scrub which can become a resilver), we need to hold |
|
3141 |
* spa_namespace_lock() because the sysevent we post via |
|
3142 |
* spa_event_notify() needs to get the name of the pool. |
|
| 1544 | 3143 |
*/ |
| 4451 | 3144 |
if (tasks & SPA_ASYNC_SCRUB) {
|
3145 |
mutex_enter(&spa_namespace_lock); |
|
| 1544 | 3146 |
VERIFY(spa_scrub(spa, POOL_SCRUB_EVERYTHING, B_TRUE) == 0); |
| 4451 | 3147 |
mutex_exit(&spa_namespace_lock); |
3148 |
} |
|
| 1544 | 3149 |
|
3150 |
/* |
|
3151 |
* Kick off a resilver. |
|
3152 |
*/ |
|
| 4451 | 3153 |
if (tasks & SPA_ASYNC_RESILVER) {
|
3154 |
mutex_enter(&spa_namespace_lock); |
|
| 1544 | 3155 |
VERIFY(spa_scrub(spa, POOL_SCRUB_RESILVER, B_TRUE) == 0); |
| 4451 | 3156 |
mutex_exit(&spa_namespace_lock); |
3157 |
} |
|
| 1544 | 3158 |
|
3159 |
/* |
|
3160 |
* Let the world know that we're done. |
|
3161 |
*/ |
|
3162 |
mutex_enter(&spa->spa_async_lock); |
|
3163 |
spa->spa_async_thread = NULL; |
|
3164 |
cv_broadcast(&spa->spa_async_cv); |
|
3165 |
mutex_exit(&spa->spa_async_lock); |
|
3166 |
thread_exit(); |
|
3167 |
} |
|
3168 |
||
3169 |
void |
|
3170 |
spa_async_suspend(spa_t *spa) |
|
3171 |
{
|
|
3172 |
mutex_enter(&spa->spa_async_lock); |
|
3173 |
spa->spa_async_suspended++; |
|
3174 |
while (spa->spa_async_thread != NULL) |
|
3175 |
cv_wait(&spa->spa_async_cv, &spa->spa_async_lock); |
|
3176 |
mutex_exit(&spa->spa_async_lock); |
|
3177 |
} |
|
3178 |
||
3179 |
void |
|
3180 |
spa_async_resume(spa_t *spa) |
|
3181 |
{
|
|
3182 |
mutex_enter(&spa->spa_async_lock); |
|
3183 |
ASSERT(spa->spa_async_suspended != 0); |
|
3184 |
spa->spa_async_suspended--; |
|
3185 |
mutex_exit(&spa->spa_async_lock); |
|
3186 |
} |
|
3187 |
||
3188 |
static void |
|
3189 |
spa_async_dispatch(spa_t *spa) |
|
3190 |
{
|
|
3191 |
mutex_enter(&spa->spa_async_lock); |
|
3192 |
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
|
3193 |
spa->spa_async_thread == NULL && |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3194 |
rootdir != NULL && !vn_is_readonly(rootdir)) |
| 1544 | 3195 |
spa->spa_async_thread = thread_create(NULL, 0, |
3196 |
spa_async_thread, spa, 0, &p0, TS_RUN, maxclsyspri); |
|
3197 |
mutex_exit(&spa->spa_async_lock); |
|
3198 |
} |
|
3199 |
||
3200 |
void |
|
3201 |
spa_async_request(spa_t *spa, int task) |
|
3202 |
{
|
|
3203 |
mutex_enter(&spa->spa_async_lock); |
|
3204 |
spa->spa_async_tasks |= task; |
|
3205 |
mutex_exit(&spa->spa_async_lock); |
|
| 789 | 3206 |
} |
3207 |
||
3208 |
/* |
|
3209 |
* ========================================================================== |
|
3210 |
* SPA syncing routines |
|
3211 |
* ========================================================================== |
|
3212 |
*/ |
|
3213 |
||
3214 |
static void |
|
3215 |
spa_sync_deferred_frees(spa_t *spa, uint64_t txg) |
|
3216 |
{
|
|
3217 |
bplist_t *bpl = &spa->spa_sync_bplist; |
|
3218 |
dmu_tx_t *tx; |
|
3219 |
blkptr_t blk; |
|
3220 |
uint64_t itor = 0; |
|
3221 |
zio_t *zio; |
|
3222 |
int error; |
|
3223 |
uint8_t c = 1; |
|
3224 |
||
3225 |
zio = zio_root(spa, NULL, NULL, ZIO_FLAG_CONFIG_HELD); |
|
3226 |
||
3227 |
while (bplist_iterate(bpl, &itor, &blk) == 0) |
|
3228 |
zio_nowait(zio_free(zio, spa, txg, &blk, NULL, NULL)); |
|
3229 |
||
3230 |
error = zio_wait(zio); |
|
3231 |
ASSERT3U(error, ==, 0); |
|
3232 |
||
3233 |
tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg); |
|
3234 |
bplist_vacate(bpl, tx); |
|
3235 |
||
3236 |
/* |
|
3237 |
* Pre-dirty the first block so we sync to convergence faster. |
|
3238 |
* (Usually only the first block is needed.) |
|
3239 |
*/ |
|
3240 |
dmu_write(spa->spa_meta_objset, spa->spa_sync_bplist_obj, 0, 1, &c, tx); |
|
3241 |
dmu_tx_commit(tx); |
|
3242 |
} |
|
3243 |
||
3244 |
static void |
|
| 2082 | 3245 |
spa_sync_nvlist(spa_t *spa, uint64_t obj, nvlist_t *nv, dmu_tx_t *tx) |
3246 |
{
|
|
3247 |
char *packed = NULL; |
|
3248 |
size_t nvsize = 0; |
|
3249 |
dmu_buf_t *db; |
|
3250 |
||
3251 |
VERIFY(nvlist_size(nv, &nvsize, NV_ENCODE_XDR) == 0); |
|
3252 |
||
3253 |
packed = kmem_alloc(nvsize, KM_SLEEP); |
|
3254 |
||
3255 |
VERIFY(nvlist_pack(nv, &packed, &nvsize, NV_ENCODE_XDR, |
|
3256 |
KM_SLEEP) == 0); |
|
3257 |
||
3258 |
dmu_write(spa->spa_meta_objset, obj, 0, nvsize, packed, tx); |
|
3259 |
||
3260 |
kmem_free(packed, nvsize); |
|
3261 |
||
3262 |
VERIFY(0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db)); |
|
3263 |
dmu_buf_will_dirty(db, tx); |
|
3264 |
*(uint64_t *)db->db_data = nvsize; |
|
3265 |
dmu_buf_rele(db, FTAG); |
|
3266 |
} |
|
3267 |
||
3268 |
static void |
|
3269 |
spa_sync_spares(spa_t *spa, dmu_tx_t *tx) |
|
3270 |
{
|
|
3271 |
nvlist_t *nvroot; |
|
3272 |
nvlist_t **spares; |
|
3273 |
int i; |
|
3274 |
||
3275 |
if (!spa->spa_sync_spares) |
|
3276 |
return; |
|
3277 |
||
3278 |
/* |
|
3279 |
* Update the MOS nvlist describing the list of available spares. |
|
3280 |
* spa_validate_spares() will have already made sure this nvlist is |
|
| 4451 | 3281 |
* valid and the vdevs are labeled appropriately. |
| 2082 | 3282 |
*/ |
3283 |
if (spa->spa_spares_object == 0) {
|
|
3284 |
spa->spa_spares_object = dmu_object_alloc(spa->spa_meta_objset, |
|
3285 |
DMU_OT_PACKED_NVLIST, 1 << 14, |
|
3286 |
DMU_OT_PACKED_NVLIST_SIZE, sizeof (uint64_t), tx); |
|
3287 |
VERIFY(zap_update(spa->spa_meta_objset, |
|
3288 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_SPARES, |
|
3289 |
sizeof (uint64_t), 1, &spa->spa_spares_object, tx) == 0); |
|
3290 |
} |
|
3291 |
||
3292 |
VERIFY(nvlist_alloc(&nvroot, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
3293 |
if (spa->spa_nspares == 0) {
|
|
3294 |
VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
3295 |
NULL, 0) == 0); |
|
3296 |
} else {
|
|
3297 |
spares = kmem_alloc(spa->spa_nspares * sizeof (void *), |
|
3298 |
KM_SLEEP); |
|
3299 |
for (i = 0; i < spa->spa_nspares; i++) |
|
3300 |
spares[i] = vdev_config_generate(spa, |
|
3301 |
spa->spa_spares[i], B_FALSE, B_TRUE); |
|
3302 |
VERIFY(nvlist_add_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, |
|
3303 |
spares, spa->spa_nspares) == 0); |
|
3304 |
for (i = 0; i < spa->spa_nspares; i++) |
|
3305 |
nvlist_free(spares[i]); |
|
3306 |
kmem_free(spares, spa->spa_nspares * sizeof (void *)); |
|
3307 |
} |
|
3308 |
||
3309 |
spa_sync_nvlist(spa, spa->spa_spares_object, nvroot, tx); |
|
| 2926 | 3310 |
nvlist_free(nvroot); |
| 2082 | 3311 |
|
3312 |
spa->spa_sync_spares = B_FALSE; |
|
3313 |
} |
|
3314 |
||
3315 |
static void |
|
| 789 | 3316 |
spa_sync_config_object(spa_t *spa, dmu_tx_t *tx) |
3317 |
{
|
|
3318 |
nvlist_t *config; |
|
3319 |
||
3320 |
if (list_is_empty(&spa->spa_dirty_list)) |
|
3321 |
return; |
|
3322 |
||
3323 |
config = spa_config_generate(spa, NULL, dmu_tx_get_txg(tx), B_FALSE); |
|
3324 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3325 |
if (spa->spa_config_syncing) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3326 |
nvlist_free(spa->spa_config_syncing); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3327 |
spa->spa_config_syncing = config; |
| 789 | 3328 |
|
| 2082 | 3329 |
spa_sync_nvlist(spa, spa->spa_config_object, config, tx); |
| 789 | 3330 |
} |
3331 |
||
| 5094 | 3332 |
/* |
3333 |
* Set zpool properties. |
|
3334 |
*/ |
|
| 3912 | 3335 |
static void |
| 4543 | 3336 |
spa_sync_props(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx) |
| 3912 | 3337 |
{
|
3338 |
spa_t *spa = arg1; |
|
| 5094 | 3339 |
objset_t *mos = spa->spa_meta_objset; |
| 3912 | 3340 |
nvlist_t *nvp = arg2; |
| 5094 | 3341 |
nvpair_t *elem; |
| 4451 | 3342 |
uint64_t intval; |
| 5094 | 3343 |
char *strval; |
3344 |
zpool_prop_t prop; |
|
3345 |
const char *propname; |
|
3346 |
zprop_type_t proptype; |
|
3347 |
||
3348 |
elem = NULL; |
|
3349 |
while ((elem = nvlist_next_nvpair(nvp, elem))) {
|
|
3350 |
switch (prop = zpool_name_to_prop(nvpair_name(elem))) {
|
|
3351 |
case ZPOOL_PROP_VERSION: |
|
3352 |
/* |
|
3353 |
* Only set version for non-zpool-creation cases |
|
3354 |
* (set/import). spa_create() needs special care |
|
3355 |
* for version setting. |
|
3356 |
*/ |
|
3357 |
if (tx->tx_txg != TXG_INITIAL) {
|
|
3358 |
VERIFY(nvpair_value_uint64(elem, |
|
3359 |
&intval) == 0); |
|
3360 |
ASSERT(intval <= SPA_VERSION); |
|
3361 |
ASSERT(intval >= spa_version(spa)); |
|
3362 |
spa->spa_uberblock.ub_version = intval; |
|
3363 |
vdev_config_dirty(spa->spa_root_vdev); |
|
3364 |
} |
|
3365 |
break; |
|
3366 |
||
3367 |
case ZPOOL_PROP_ALTROOT: |
|
3368 |
/* |
|
3369 |
* 'altroot' is a non-persistent property. It should |
|
3370 |
* have been set temporarily at creation or import time. |
|
3371 |
*/ |
|
3372 |
ASSERT(spa->spa_root != NULL); |
|
3373 |
break; |
|
3374 |
||
3375 |
case ZPOOL_PROP_TEMPORARY: |
|
3376 |
/* |
|
3377 |
* 'temporary' is a non-persistant property. |
|
3378 |
*/ |
|
3379 |
VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
|
3380 |
spa->spa_temporary = intval; |
|
| 4543 | 3381 |
break; |
| 5094 | 3382 |
|
3383 |
default: |
|
3384 |
/* |
|
3385 |
* Set pool property values in the poolprops mos object. |
|
3386 |
*/ |
|
3387 |
mutex_enter(&spa->spa_props_lock); |
|
3388 |
if (spa->spa_pool_props_object == 0) {
|
|
3389 |
objset_t *mos = spa->spa_meta_objset; |
|
3390 |
||
3391 |
VERIFY((spa->spa_pool_props_object = |
|
3392 |
zap_create(mos, DMU_OT_POOL_PROPS, |
|
3393 |
DMU_OT_NONE, 0, tx)) > 0); |
|
3394 |
||
3395 |
VERIFY(zap_update(mos, |
|
3396 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_PROPS, |
|
3397 |
8, 1, &spa->spa_pool_props_object, tx) |
|
3398 |
== 0); |
|
3399 |
} |
|
3400 |
mutex_exit(&spa->spa_props_lock); |
|
3401 |
||
3402 |
/* normalize the property name */ |
|
3403 |
propname = zpool_prop_to_name(prop); |
|
3404 |
proptype = zpool_prop_get_type(prop); |
|
3405 |
||
3406 |
if (nvpair_type(elem) == DATA_TYPE_STRING) {
|
|
3407 |
ASSERT(proptype == PROP_TYPE_STRING); |
|
3408 |
VERIFY(nvpair_value_string(elem, &strval) == 0); |
|
3409 |
VERIFY(zap_update(mos, |
|
3410 |
spa->spa_pool_props_object, propname, |
|
3411 |
1, strlen(strval) + 1, strval, tx) == 0); |
|
3412 |
||
3413 |
} else if (nvpair_type(elem) == DATA_TYPE_UINT64) {
|
|
3414 |
VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
|
3415 |
||
3416 |
if (proptype == PROP_TYPE_INDEX) {
|
|
3417 |
const char *unused; |
|
3418 |
VERIFY(zpool_prop_index_to_string( |
|
3419 |
prop, intval, &unused) == 0); |
|
3420 |
} |
|
3421 |
VERIFY(zap_update(mos, |
|
3422 |
spa->spa_pool_props_object, propname, |
|
3423 |
8, 1, &intval, tx) == 0); |
|
3424 |
} else {
|
|
3425 |
ASSERT(0); /* not allowed */ |
|
3426 |
} |
|
3427 |
||
3428 |
if (prop == ZPOOL_PROP_DELEGATION) |
|
3429 |
spa->spa_delegation = intval; |
|
3430 |
||
3431 |
if (prop == ZPOOL_PROP_BOOTFS) |
|
3432 |
spa->spa_bootfs = intval; |
|
| 3912 | 3433 |
} |
| 5094 | 3434 |
|
3435 |
/* log internal history if this is not a zpool create */ |
|
3436 |
if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY && |
|
3437 |
tx->tx_txg != TXG_INITIAL) {
|
|
3438 |
spa_history_internal_log(LOG_POOL_PROPSET, |
|
3439 |
spa, tx, cr, "%s %lld %s", |
|
3440 |
nvpair_name(elem), intval, spa->spa_name); |
|
3441 |
} |
|
| 3912 | 3442 |
} |
3443 |
} |
|
3444 |
||
| 789 | 3445 |
/* |
3446 |
* Sync the specified transaction group. New blocks may be dirtied as |
|
3447 |
* part of the process, so we iterate until it converges. |
|
3448 |
*/ |
|
3449 |
void |
|
3450 |
spa_sync(spa_t *spa, uint64_t txg) |
|
3451 |
{
|
|
3452 |
dsl_pool_t *dp = spa->spa_dsl_pool; |
|
3453 |
objset_t *mos = spa->spa_meta_objset; |
|
3454 |
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
|
3455 |
vdev_t *rvd = spa->spa_root_vdev; |
| 789 | 3456 |
vdev_t *vd; |
3457 |
dmu_tx_t *tx; |
|
3458 |
int dirty_vdevs; |
|
3459 |
||
3460 |
/* |
|
3461 |
* Lock out configuration changes. |
|
3462 |
*/ |
|
| 1544 | 3463 |
spa_config_enter(spa, RW_READER, FTAG); |
| 789 | 3464 |
|
3465 |
spa->spa_syncing_txg = txg; |
|
3466 |
spa->spa_sync_pass = 0; |
|
3467 |
||
| 1544 | 3468 |
VERIFY(0 == bplist_open(bpl, mos, spa->spa_sync_bplist_obj)); |
| 789 | 3469 |
|
| 2082 | 3470 |
tx = dmu_tx_create_assigned(dp, txg); |
3471 |
||
3472 |
/* |
|
| 4577 | 3473 |
* If we are upgrading to SPA_VERSION_RAIDZ_DEFLATE this txg, |
| 2082 | 3474 |
* set spa_deflate if we have no raid-z vdevs. |
3475 |
*/ |
|
| 4577 | 3476 |
if (spa->spa_ubsync.ub_version < SPA_VERSION_RAIDZ_DEFLATE && |
3477 |
spa->spa_uberblock.ub_version >= SPA_VERSION_RAIDZ_DEFLATE) {
|
|
| 2082 | 3478 |
int i; |
3479 |
||
3480 |
for (i = 0; i < rvd->vdev_children; i++) {
|
|
3481 |
vd = rvd->vdev_child[i]; |
|
3482 |
if (vd->vdev_deflate_ratio != SPA_MINBLOCKSIZE) |
|
3483 |
break; |
|
3484 |
} |
|
3485 |
if (i == rvd->vdev_children) {
|
|
3486 |
spa->spa_deflate = TRUE; |
|
3487 |
VERIFY(0 == zap_add(spa->spa_meta_objset, |
|
3488 |
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_DEFLATE, |
|
3489 |
sizeof (uint64_t), 1, &spa->spa_deflate, tx)); |
|
3490 |
} |
|
3491 |
} |
|
3492 |
||
| 789 | 3493 |
/* |
3494 |
* If anything has changed in this txg, push the deferred frees |
|
3495 |
* from the previous txg. If not, leave them alone so that we |
|
3496 |
* don't generate work on an otherwise idle system. |
|
3497 |
*/ |
|
3498 |
if (!txg_list_empty(&dp->dp_dirty_datasets, txg) || |
|
|
2329
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
3499 |
!txg_list_empty(&dp->dp_dirty_dirs, txg) || |
|
e640bebc73b3
6446569 deferred list is hooked on flintstone vitamins
ek110237
parents:
2199
diff
changeset
|
3500 |
!txg_list_empty(&dp->dp_sync_tasks, txg)) |
| 789 | 3501 |
spa_sync_deferred_frees(spa, txg); |
3502 |
||
3503 |
/* |
|
3504 |
* Iterate to convergence. |
|
3505 |
*/ |
|
3506 |
do {
|
|
3507 |
spa->spa_sync_pass++; |
|
3508 |
||
3509 |
spa_sync_config_object(spa, tx); |
|
| 2082 | 3510 |
spa_sync_spares(spa, tx); |
| 1544 | 3511 |
spa_errlog_sync(spa, txg); |
| 789 | 3512 |
dsl_pool_sync(dp, txg); |
3513 |
||
3514 |
dirty_vdevs = 0; |
|
3515 |
while (vd = txg_list_remove(&spa->spa_vdev_txg_list, txg)) {
|
|
3516 |
vdev_sync(vd, txg); |
|
3517 |
dirty_vdevs++; |
|
3518 |
} |
|
3519 |
||
3520 |
bplist_sync(bpl, tx); |
|
3521 |
} while (dirty_vdevs); |
|
3522 |
||
3523 |
bplist_close(bpl); |
|
3524 |
||
3525 |
dprintf("txg %llu passes %d\n", txg, spa->spa_sync_pass);
|
|
3526 |
||
3527 |
/* |
|
3528 |
* Rewrite the vdev configuration (which includes the uberblock) |
|
3529 |
* to commit the transaction group. |
|
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3530 |
* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3531 |
* If there are any dirty vdevs, sync the uberblock to all vdevs. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3532 |
* Otherwise, pick a random top-level vdev that's known to be |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3533 |
* visible in the config cache (see spa_vdev_add() for details). |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3534 |
* If the write fails, try the next vdev until we're tried them all. |
| 789 | 3535 |
*/ |
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3536 |
if (!list_is_empty(&spa->spa_dirty_list)) {
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3537 |
VERIFY(vdev_config_sync(rvd, txg) == 0); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3538 |
} else {
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3539 |
int children = rvd->vdev_children; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3540 |
int c0 = spa_get_random(children); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3541 |
int c; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3542 |
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3543 |
for (c = 0; c < children; c++) {
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3544 |
vd = rvd->vdev_child[(c0 + c) % children]; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3545 |
if (vd->vdev_ms_array == 0) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3546 |
continue; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3547 |
if (vdev_config_sync(vd, txg) == 0) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3548 |
break; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3549 |
} |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3550 |
if (c == children) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3551 |
VERIFY(vdev_config_sync(rvd, txg) == 0); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3552 |
} |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3553 |
|
| 2082 | 3554 |
dmu_tx_commit(tx); |
3555 |
||
|
1635
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3556 |
/* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3557 |
* Clear the dirty config list. |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3558 |
*/ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3559 |
while ((vd = list_head(&spa->spa_dirty_list)) != NULL) |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3560 |
vdev_config_clean(vd); |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3561 |
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3562 |
/* |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3563 |
* 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
|
3564 |
* 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
|
3565 |
*/ |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3566 |
if (spa->spa_config_syncing != NULL) {
|
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3567 |
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
|
3568 |
spa->spa_config_txg = txg; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3569 |
spa->spa_config_syncing = NULL; |
|
0ab1193d47cb
6398664 zpool detach: missing argument to error message causes core dump
bonwick
parents:
1601
diff
changeset
|
3570 |
} |
| 789 | 3571 |
|
3572 |
/* |
|
3573 |
* Make a stable copy of the fully synced uberblock. |
|
3574 |
* We use this as the root for pool traversals. |
|
3575 |
*/ |
|
3576 |
spa->spa_traverse_wanted = 1; /* tells traverse_more() to stop */ |
|
3577 |
||
3578 |
spa_scrub_suspend(spa); /* stop scrubbing and finish I/Os */ |
|
3579 |
||
3580 |
rw_enter(&spa->spa_traverse_lock, RW_WRITER); |
|
3581 |
spa->spa_traverse_wanted = 0; |
|
3582 |
spa->spa_ubsync = spa->spa_uberblock; |
|
3583 |
rw_exit(&spa->spa_traverse_lock); |
|
3584 |
||
3585 |
spa_scrub_resume(spa); /* resume scrub with new ubsync */ |
|
3586 |
||
3587 |
/* |
|
3588 |
* Clean up the ZIL records for the synced txg. |
|
3589 |
*/ |
|
3590 |
dsl_pool_zil_clean(dp); |
|
3591 |
||
3592 |
/* |
|
3593 |
* Update usable space statistics. |
|
3594 |
*/ |
|
3595 |
while (vd = txg_list_remove(&spa->spa_vdev_txg_list, TXG_CLEAN(txg))) |
|
3596 |
vdev_sync_done(vd, txg); |
|
3597 |
||
3598 |
/* |
|
3599 |
* It had better be the case that we didn't dirty anything |
|
| 2082 | 3600 |
* since vdev_config_sync(). |
| 789 | 3601 |
*/ |
3602 |
ASSERT(txg_list_empty(&dp->dp_dirty_datasets, txg)); |
|
3603 |
ASSERT(txg_list_empty(&dp->dp_dirty_dirs, txg)); |
|
3604 |
ASSERT(txg_list_empty(&spa->spa_vdev_txg_list, txg)); |
|
3605 |
ASSERT(bpl->bpl_queue == NULL); |
|
3606 |
||
| 1544 | 3607 |
spa_config_exit(spa, FTAG); |
3608 |
||
3609 |
/* |
|
3610 |
* If any async tasks have been requested, kick them off. |
|
3611 |
*/ |
|
3612 |
spa_async_dispatch(spa); |
|
| 789 | 3613 |
} |
3614 |
||
3615 |
/* |
|
3616 |
* Sync all pools. We don't want to hold the namespace lock across these |
|
3617 |
* operations, so we take a reference on the spa_t and drop the lock during the |
|
3618 |
* sync. |
|
3619 |
*/ |
|
3620 |
void |
|
3621 |
spa_sync_allpools(void) |
|
3622 |
{
|
|
3623 |
spa_t *spa = NULL; |
|
3624 |
mutex_enter(&spa_namespace_lock); |
|
3625 |
while ((spa = spa_next(spa)) != NULL) {
|
|
3626 |
if (spa_state(spa) != POOL_STATE_ACTIVE) |
|
3627 |
continue; |
|
3628 |
spa_open_ref(spa, FTAG); |
|
3629 |
mutex_exit(&spa_namespace_lock); |
|
3630 |
txg_wait_synced(spa_get_dsl(spa), 0); |
|
3631 |
mutex_enter(&spa_namespace_lock); |
|
3632 |
spa_close(spa, FTAG); |
|
3633 |
} |
|
3634 |
mutex_exit(&spa_namespace_lock); |
|
3635 |
} |
|
3636 |
||
3637 |
/* |
|
3638 |
* ========================================================================== |
|
3639 |
* Miscellaneous routines |
|
3640 |
* ========================================================================== |
|
3641 |
*/ |
|
3642 |
||
3643 |
/* |
|
3644 |
* Remove all pools in the system. |
|
3645 |
*/ |
|
3646 |
void |
|
3647 |
spa_evict_all(void) |
|
3648 |
{
|
|
3649 |
spa_t *spa; |
|
3650 |
||
3651 |
/* |
|
3652 |
* Remove all cached state. All pools should be closed now, |
|
3653 |
* so every spa in the AVL tree should be unreferenced. |
|
3654 |
*/ |
|
3655 |
mutex_enter(&spa_namespace_lock); |
|
3656 |
while ((spa = spa_next(NULL)) != NULL) {
|
|
3657 |
/* |
|
| 1544 | 3658 |
* Stop async tasks. The async thread may need to detach |
3659 |
* a device that's been replaced, which requires grabbing |
|
3660 |
* spa_namespace_lock, so we must drop it here. |
|
| 789 | 3661 |
*/ |
3662 |
spa_open_ref(spa, FTAG); |
|
3663 |
mutex_exit(&spa_namespace_lock); |
|
| 1544 | 3664 |
spa_async_suspend(spa); |
| 4808 | 3665 |
mutex_enter(&spa_namespace_lock); |
| 789 | 3666 |
VERIFY(spa_scrub(spa, POOL_SCRUB_NONE, B_TRUE) == 0); |
3667 |
spa_close(spa, FTAG); |
|
3668 |
||
3669 |
if (spa->spa_state != POOL_STATE_UNINITIALIZED) {
|
|
3670 |
spa_unload(spa); |
|
3671 |
spa_deactivate(spa); |
|
3672 |
} |
|
3673 |
spa_remove(spa); |
|
3674 |
} |
|
3675 |
mutex_exit(&spa_namespace_lock); |
|
3676 |
} |
|
| 1544 | 3677 |
|
3678 |
vdev_t * |
|
3679 |
spa_lookup_by_guid(spa_t *spa, uint64_t guid) |
|
3680 |
{
|
|
3681 |
return (vdev_lookup_by_guid(spa->spa_root_vdev, guid)); |
|
3682 |
} |
|
| 1760 | 3683 |
|
3684 |
void |
|
| 5094 | 3685 |
spa_upgrade(spa_t *spa, uint64_t version) |
| 1760 | 3686 |
{
|
3687 |
spa_config_enter(spa, RW_WRITER, FTAG); |
|
3688 |
||
3689 |
/* |
|
3690 |
* This should only be called for a non-faulted pool, and since a |
|
3691 |
* future version would result in an unopenable pool, this shouldn't be |
|
3692 |
* possible. |
|
3693 |
*/ |
|
| 4577 | 3694 |
ASSERT(spa->spa_uberblock.ub_version <= SPA_VERSION); |
| 5094 | 3695 |
ASSERT(version >= spa->spa_uberblock.ub_version); |
3696 |
||
3697 |
spa->spa_uberblock.ub_version = version; |
|
| 1760 | 3698 |
vdev_config_dirty(spa->spa_root_vdev); |
3699 |
||
3700 |
spa_config_exit(spa, FTAG); |
|
| 2082 | 3701 |
|
3702 |
txg_wait_synced(spa_get_dsl(spa), 0); |
|
| 1760 | 3703 |
} |
| 2082 | 3704 |
|
3705 |
boolean_t |
|
3706 |
spa_has_spare(spa_t *spa, uint64_t guid) |
|
3707 |
{
|
|
3708 |
int i; |
|
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3709 |
uint64_t spareguid; |
| 2082 | 3710 |
|
3711 |
for (i = 0; i < spa->spa_nspares; i++) |
|
3712 |
if (spa->spa_spares[i]->vdev_guid == guid) |
|
3713 |
return (B_TRUE); |
|
3714 |
||
|
3377
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3715 |
for (i = 0; i < spa->spa_pending_nspares; i++) {
|
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3716 |
if (nvlist_lookup_uint64(spa->spa_pending_spares[i], |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3717 |
ZPOOL_CONFIG_GUID, &spareguid) == 0 && |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3718 |
spareguid == guid) |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3719 |
return (B_TRUE); |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3720 |
} |
|
a2fa338530c1
6393525 vdev_reopen() should verify that it's still the same device
eschrock
parents:
3290
diff
changeset
|
3721 |
|
| 2082 | 3722 |
return (B_FALSE); |
3723 |
} |
|
| 3912 | 3724 |
|
| 4451 | 3725 |
/* |
3726 |
* Post a sysevent corresponding to the given event. The 'name' must be one of |
|
3727 |
* the event definitions in sys/sysevent/eventdefs.h. The payload will be |
|
3728 |
* filled in from the spa and (optionally) the vdev. This doesn't do anything |
|
3729 |
* in the userland libzpool, as we don't want consumers to misinterpret ztest |
|
3730 |
* or zdb as real changes. |
|
3731 |
*/ |
|
3732 |
void |
|
3733 |
spa_event_notify(spa_t *spa, vdev_t *vd, const char *name) |
|
3734 |
{
|
|
3735 |
#ifdef _KERNEL |
|
3736 |
sysevent_t *ev; |
|
3737 |
sysevent_attr_list_t *attr = NULL; |
|
3738 |
sysevent_value_t value; |
|
3739 |
sysevent_id_t eid; |
|
3740 |
||
3741 |
ev = sysevent_alloc(EC_ZFS, (char *)name, SUNW_KERN_PUB "zfs", |
|
3742 |
SE_SLEEP); |
|
3743 |
||
3744 |
value.value_type = SE_DATA_TYPE_STRING; |
|
3745 |
value.value.sv_string = spa_name(spa); |
|
3746 |
if (sysevent_add_attr(&attr, ZFS_EV_POOL_NAME, &value, SE_SLEEP) != 0) |
|
3747 |
goto done; |
|
3748 |
||
3749 |
value.value_type = SE_DATA_TYPE_UINT64; |
|
3750 |
value.value.sv_uint64 = spa_guid(spa); |
|
3751 |
if (sysevent_add_attr(&attr, ZFS_EV_POOL_GUID, &value, SE_SLEEP) != 0) |
|
3752 |
goto done; |
|
3753 |
||
3754 |
if (vd) {
|
|
3755 |
value.value_type = SE_DATA_TYPE_UINT64; |
|
3756 |
value.value.sv_uint64 = vd->vdev_guid; |
|
3757 |
if (sysevent_add_attr(&attr, ZFS_EV_VDEV_GUID, &value, |
|
3758 |
SE_SLEEP) != 0) |
|
3759 |
goto done; |
|
3760 |
||
3761 |
if (vd->vdev_path) {
|
|
3762 |
value.value_type = SE_DATA_TYPE_STRING; |
|
3763 |
value.value.sv_string = vd->vdev_path; |
|
3764 |
if (sysevent_add_attr(&attr, ZFS_EV_VDEV_PATH, |
|
3765 |
&value, SE_SLEEP) != 0) |
|
3766 |
goto done; |
|
3767 |
} |
|
3768 |
} |
|
3769 |
||
3770 |
(void) log_sysevent(ev, SE_SLEEP, &eid); |
|
3771 |
||
3772 |
done: |
|
3773 |
if (attr) |
|
3774 |
sysevent_free_attr(attr); |
|
3775 |
sysevent_free(ev); |
|
3776 |
#endif |
|
3777 |
} |