How to delete unknown aggr
Applies to
- ONTAP 9
Description
- System have unused aggr and not sure when and how to generate aggr.
Aggregate aggr2 (failed, raid_dp, partial, fast zeroed) (block checksums)
Plex /aggr2/plex0 (offline, failed, inactive)
RAID group /aggr2/plex0/rg1 (partial, block checksums)
RAID Disk Device Model Number Serial Number VBN Start VBN End
--------- ------ ------------ ------------- --------- -------
data 0c.21.6 X341_TA15E900A10 1090A02GF4YR 3510188032 3729574783 (fast zeroed)
Raid group is missing 15 disks.
Plex is missing 10 RAID groups.
- Event log show have below message.
Wed Nov 13 10:16:30 +0900 [nodename: config_thread: raid.assim.rg.missingChild:debug]: Aggregate aggr2, rgobj_verify: RAID object 1 has only 1 valid children, expected 16.
Wed Nov 13 10:16:30 +0900 [nodename: config_thread: raid.assim.plex.missingChild:debug]: Aggregate aggr2, plexobj_verify: Plex 0 only has 0 working RAID groups (11 total) and is being taken offline
Wed Nov 13 10:16:30 +0900 [nodename: config_thread: raid.assim.mirror.noChild:debug]: Aggregate aggr2, mirrorobj_verify: No operable plexes found.