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Fix import wrong spare/l2 device when path change 

If, for example, your aux device was /dev/sdc, but now the aux device is
removed and /dev/sdc points to other device. zpool import will still
use that device and corrupt it.

The problem is that the spa_validate_aux in spa_import, rather than
validate the on-disk label, it would actually write label to disk. We
remove them since spa_load_{spares,l2cache} seems to do everything we
need and they would actually validate on-disk label.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes #6158
This commit is contained in:
Chunwei Chen 2017-05-25 15:56:12 -07:00 committed by Tony Hutter
parent 412e3c26a9
commit 69494c6aff
1 changed files with 0 additions and 6 deletions
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6
module/zfs/spa.c
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@ -3962,12 +3962,6 @@ spa_import(char *pool, nvlist_t *config, nvlist_t *props, uint64_t flags)
VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
&nvroot) == 0);
if (error == 0)
error = spa_validate_aux(spa, nvroot, -1ULL,
VDEV_ALLOC_SPARE);
if (error == 0)
error = spa_validate_aux(spa, nvroot, -1ULL,
VDEV_ALLOC_L2CACHE);
spa_config_exit(spa, SCL_ALL, FTAG);
if (props != NULL)