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Fix incorrect pool state after import 

Import a raidz pool which has a vdev with a bad label, zpool status
shows the right state of the dev, but the wrong state of the pool.
The pool state should be DEGRADED, not ONLINE.

We examine the label in vdev_validate while in spa_load_impl, the bad
label can be detected but doesn't propagate its state to the parent.
There are other chances to propagate state in the following vdev_load
if we failed to load DTL, but our pool is raidz1 which can tolerate a
faulted disk.  So we lost the last chance to correct the pool state.

Propagate the leaf vdev's state to parent if its label was corrupted,
as is done elsewhere in vdev_validate.

Signed-off-by: GeLiXin <ge.lixin@zte.com.cn>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@intel.com>
Closes #4948
This commit is contained in:
GeLiXin 2016-08-09 17:49:51 +08:00 committed by Ned Bass
parent 74acdfc682
commit c23686524f
1 changed files with 1 additions and 1 deletions
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module/zfs/vdev.c
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@ -1407,7 +1407,7 @@ vdev_validate(vdev_t *vd, boolean_t strict)
spa_last_synced_txg(spa) : -1ULL; spa_last_synced_txg(spa) : -1ULL;
if ((label = vdev_label_read_config(vd, txg)) == NULL) { if ((label = vdev_label_read_config(vd, txg)) == NULL) {
vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, vdev_set_state(vd, B_FALSE, VDEV_STATE_CANT_OPEN,
VDEV_AUX_BAD_LABEL); VDEV_AUX_BAD_LABEL);
return (0); return (0);
} }