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How to delete unknown aggr

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Category:
ontap-9
Specialty:
core
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Applies to

  • ONTAP 9

Description

  • System have unused aggr and not sure when and how it was created.
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 shows below messages.
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.

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