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DISK/SHELF COUNT MISMATCH due to single failed disk

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ontap-9
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hw
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Applies to

ONTAP 9

Issue

  • EMS report HA GROUP ERROR: DISK/SHELF COUNT MISMATCH.
  • The ADP configured disks are distributed separately to two nodes.
    DISK_P1 is not responding and is a broken disk,but DISK_P2 remains included in the AGGR.

NodeA：
Broken disks

RAID Disk    Device      HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
---------    ------     ------------- ---- ---- ---- ----- --------------    --------------
not responding    0b.00.18P1    0b    0   18  SA:A   0   SAS 10000 1689530/3460157952 1689538/3460174336 (fast zeroed)

NodeB：
Aggregate nodeB_aggr0 (online, raid_dp, fast zeroed) (block checksums)
  Plex /nodeB_aggr0/plex0 (online, normal, active, pool0)
    RAID group /nodeB_aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk    Device      HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
 ---------    ------      ------------- ---- ---- ---- ----- --------------    -------------- 
　     data        0b.00.12P2    0b    0 12  SA:B   0   SAS 10000 23956/49062912    23964/49079296 (fast zeroed)
      data        0b.00.16P2    0b    0   16  SA:B   0   SAS 10000 23956/49062912 23964/49079296 (fast zeroed)
      data        0b.00.18P2    0b    0   18  SA:B   0   SAS 10000 23956/49062912    23964/49079296 (fast zeroed)

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