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Force fault a vdev with 'zpool offline -f'

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This patch adds a '-f' option to 'zpool offline' to fault a vdev
instead of bringing it offline.  Unlike the OFFLINE state, the
FAULTED state will trigger the FMA code, allowing for things like
autoreplace and triggering the slot fault LED.  The -f faults
persist across imports, unless they were set with the temporary
(-t) flag.  Both persistent and temporary faults can be cleared
with zpool clear.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #6094
This commit is contained in:
Tony Hutter
2017-05-19 12:30:16 -07:00
committed by Brian Behlendorf
parent a32df59e18
commit 4a283c7f77
13 changed files with 266 additions and 29 deletions
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module/zfs/vdev_label.c
+9 -1
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@@ -519,6 +519,7 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
if (vd->vdev_ishole)
fnvlist_add_uint64(nv, ZPOOL_CONFIG_IS_HOLE, B_TRUE);
/* Set the reason why we're FAULTED/DEGRADED. */
switch (vd->vdev_stat.vs_aux) {
case VDEV_AUX_ERR_EXCEEDED:
aux = "err_exceeded";
@@ -529,8 +530,15 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
break;
}
if (aux != NULL)
if (aux != NULL && !vd->vdev_tmpoffline) {
fnvlist_add_string(nv, ZPOOL_CONFIG_AUX_STATE, aux);
} else {
/*
* We're healthy - clear any previous AUX_STATE values.
*/
if (nvlist_exists(nv, ZPOOL_CONFIG_AUX_STATE))
nvlist_remove_all(nv, ZPOOL_CONFIG_AUX_STATE);
}
if (vd->vdev_splitting && vd->vdev_orig_guid != 0LL) {
fnvlist_add_uint64(nv, ZPOOL_CONFIG_ORIG_GUID,