diff options
| author | George Wilson <[email protected]> | 2012-07-11 13:02:44 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2012-07-11 13:33:31 -0700 |
| commit | c7f2d69de397b02cc803f541dd2d405e0c284e76 (patch) | |
| tree | a82bc0cff470a814cb5fb8a1d05c6fdb17934988 /module/zfs/vdev.c | |
| parent | 3541dc6d02592bd0939ea2d35b50c2bbdcc4cd0e (diff) | |
Illumos #1949, #1953
1949 crash during reguid causes stale config
1953 allow and unallow missing from zpool history since removal of pyzfs
Reviewed by: Adam Leventhal <[email protected]>
Reviewed by: Matt Ahrens <[email protected]>
Reviewed by: Eric Schrock <[email protected]>
Reviewed by: Bill Pijewski <[email protected]>
Reviewed by: Richard Lowe <[email protected]>
Reviewed by: Garrett D'Amore <[email protected]>
Reviewed by: Dan McDonald <[email protected]>
Reviewed by: Steve Gonczi <[email protected]>
Approved by: Eric Schrock <[email protected]>
References:
https://www.illumos.org/issues/1949
https://www.illumos.org/issues/1953
Ported by: Brian Behlendorf <[email protected]>
Closes #665
Diffstat (limited to 'module/zfs/vdev.c')
| -rw-r--r-- | module/zfs/vdev.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c index 18d2d5ca6..0c8ce1b1c 100644 --- a/module/zfs/vdev.c +++ b/module/zfs/vdev.c @@ -1310,13 +1310,18 @@ vdev_open(vdev_t *vd) * contents. This needs to be done before vdev_load() so that we don't * inadvertently do repair I/Os to the wrong device. * + * If 'strict' is false ignore the spa guid check. This is necessary because + * if the machine crashed during a re-guid the new guid might have been written + * to all of the vdev labels, but not the cached config. The strict check + * will be performed when the pool is opened again using the mos config. + * * This function will only return failure if one of the vdevs indicates that it * has since been destroyed or exported. This is only possible if * /etc/zfs/zpool.cache was readonly at the time. Otherwise, the vdev state * will be updated but the function will return 0. */ int -vdev_validate(vdev_t *vd) +vdev_validate(vdev_t *vd, boolean_t strict) { spa_t *spa = vd->vdev_spa; nvlist_t *label; @@ -1325,7 +1330,7 @@ vdev_validate(vdev_t *vd) int c; for (c = 0; c < vd->vdev_children; c++) - if (vdev_validate(vd->vdev_child[c]) != 0) + if (vdev_validate(vd->vdev_child[c], strict) != 0) return (EBADF); /* @@ -1355,8 +1360,9 @@ vdev_validate(vdev_t *vd) return (0); } - if (nvlist_lookup_uint64(label, ZPOOL_CONFIG_POOL_GUID, - &guid) != 0 || guid != spa_guid(spa)) { + if (strict && (nvlist_lookup_uint64(label, + ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || + guid != spa_guid(spa))) { vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN, VDEV_AUX_CORRUPT_DATA); nvlist_free(label); @@ -1519,7 +1525,7 @@ vdev_reopen(vdev_t *vd) !l2arc_vdev_present(vd)) l2arc_add_vdev(spa, vd); } else { - (void) vdev_validate(vd); + (void) vdev_validate(vd, B_TRUE); } /* |