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zed: mark disks as REMOVED when they are removed

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ZED does not take any action for disk removal events if there is no
spare VDEV available. Added zpool_vdev_remove_wanted() in libzfs
and vdev_remove_wanted() in vdev.c to remove the VDEV through ZED
on removal event.  This means that if you are running zed and
remove a disk, it will be propertly marked as REMOVED.

Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>
This commit is contained in:
Ameer Hamza
2022-09-27 04:32:42 +05:00
committed by Brian Behlendorf
parent 5219a2691e
commit bd9a9a4e1a
24 changed files with 395 additions and 51 deletions
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module/zfs/spa_config.c
+13 -1
View File
@@ -238,7 +238,8 @@ spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl)
* would be required.
*/
void
spa_write_cachefile(spa_t *target, boolean_t removing, boolean_t postsysevent)
spa_write_cachefile(spa_t *target, boolean_t removing, boolean_t postsysevent,
boolean_t postblkidevent)
{
spa_config_dirent_t *dp, *tdp;
nvlist_t *nvl;
@@ -344,6 +345,16 @@ spa_write_cachefile(spa_t *target, boolean_t removing, boolean_t postsysevent)
if (postsysevent)
spa_event_notify(target, NULL, NULL, ESC_ZFS_CONFIG_SYNC);
/*
* Post udev event to sync blkid information if the pool is created
* or a new vdev is added to the pool.
*/
if ((target->spa_root_vdev) && postblkidevent) {
vdev_post_kobj_evt(target->spa_root_vdev);
for (int i = 0; i < target->spa_l2cache.sav_count; i++)
vdev_post_kobj_evt(target->spa_l2cache.sav_vdevs[i]);
}
}
/*
@@ -598,6 +609,7 @@ spa_config_update(spa_t *spa, int what)
*/
if (!spa->spa_is_root) {
spa_write_cachefile(spa, B_FALSE,
what != SPA_CONFIG_UPDATE_POOL,
what != SPA_CONFIG_UPDATE_POOL);
}