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Remote disks missing after switch firmware upgrade

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Category:
metrocluster
Specialty:
MetroCluster
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Applies to

  • AFF-A220
  • MetroCluster IP
  • Backend switch upgrade
  • ONTAP <9.7P15
  • ONTAP <9.8P6
  • ONTAP <9.9.1P1

Issue

After switch firmware upgrade aggregate is showing as degraded and disks are reported as missing/failed on remote plex
 
cluster::>aggr show-status
 
Aggregate aggr1 (online, raid_dp, mirror degraded, fast zeroed) (block checksums)
Plex /aggr1/plex0 (online, normal, active, pool0)
RAID group /aggr1/plex0/rg0 (normal, block checksums)

RAID Disk    Device        HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
---------    ------        ------------- ---- ---- ---- ----- --------------    --------------
dparity     0b.50.0P2     0b    50  0   SA:B   0   SSD   N/A 445732/912859136  445740/912875520 (fast zeroed)
..
data        0b.50.22P1    0b    50  22  SA:B   0   SSD   N/A 445732/912859136  445740/912875520 (fast zeroed)

Plex /aggr1/plex1 (offline, failed, inactive, pool1)
RAID group /aggr1/plex1/rg0 (partial)

RAID Disk    Device        HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
---------    ------        ------------- ---- ---- ---- ----- --------------    --------------
dparity    FAILED            N/A                        445732/ -
parity    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
data    FAILED            N/A                        445732/ -
Raid group is missing 23 disks.

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Case Citation
624ebaa0-7332-414a-89c1-229ff77a42b2