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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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lib/libzfs/libzfs_pool.c
+37
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@@ -2370,6 +2370,43 @@ zpool_relabel_disk(libzfs_handle_t *hdl, const char *path, const char *msg)
return (0);
}
/*
* Convert a vdev path to a GUID. Returns GUID or 0 on error.
*
* If is_spare, is_l2cache, or is_log is non-NULL, then store within it
* if the VDEV is a spare, l2cache, or log device. If they're NULL then
* ignore them.
*/
static uint64_t
zpool_vdev_path_to_guid_impl(zpool_handle_t *zhp, const char *path,
boolean_t *is_spare, boolean_t *is_l2cache, boolean_t *is_log)
{
uint64_t guid;
boolean_t spare = B_FALSE, l2cache = B_FALSE, log = B_FALSE;
nvlist_t *tgt;
if ((tgt = zpool_find_vdev(zhp, path, &spare, &l2cache,
&log)) == NULL)
return (0);
verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &guid) == 0);
if (is_spare != NULL)
*is_spare = spare;
if (is_l2cache != NULL)
*is_l2cache = l2cache;
if (is_log != NULL)
*is_log = log;
return (guid);
}
/* Convert a vdev path to a GUID. Returns GUID or 0 on error. */
uint64_t
zpool_vdev_path_to_guid(zpool_handle_t *zhp, const char *path)
{
return (zpool_vdev_path_to_guid_impl(zhp, path, NULL, NULL, NULL));
}
/*
* Bring the specified vdev online. The 'flags' parameter is a set of the
* ZFS_ONLINE_* flags.