--- a/usr/src/cmd/mdb/common/modules/zfs/zfs.c	Wed Oct 24 19:08:06 2007 -0700
+++ b/usr/src/cmd/mdb/common/modules/zfs/zfs.c	Wed Oct 24 20:00:39 2007 -0700
@@ -905,7 +905,7 @@
 	spa_t spa;
 	char poolname[MAXNAMELEN];
 	const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED",
-		"UNINIT", "UNAVAIL" };
+		"SPARE", "UNINIT", "IOFAILURE", "UNAVAIL" };
 	const char *state;
 	int config = FALSE;
 	int vdevs = FALSE;