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Aggregate offline with out-of-date plex after a power outage

Last Updated:

Applies to

  • MetroCluster FC
  • Eseries backend storage
  • Switchover


Power outage triggered automatic unplanned switched
After restoring power on the disaster site aggregate is marked as failed with out-of-date plex

On the switchover node MC1
Aggregate mc2_data_aggr0 (online, raid0, mirror degraded) (block checksums)
  Plex /mc2_data_aggr0/plex0 (offline, failed, inactive)

  Plex /mc2_data_aggr0/plex6 (online, normal, active, pool1)
    RAID group /mc2_data_aggr0/plex6/rg0 (normal, block checksums)

      RAID Disk    Device                HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------                ------------- ---- ---- ---- ----- --------------    --------------
      data        sw2-mc1:1-4.126L20    1c    -   -          1   LUN   N/A 1565625/3206400000 1581440/3238789120
      data        sw2-mc1:1-4.126L45    1c    -   -          1   LUN   N/A 1525708/3124649984 1541120/3156213760

On disaster site MC2
Aggregate mc2_data_aggr0 (failed, raid0, out-of-date) (block checksums)
  Plex /mc2_data_aggr0/plex0 (offline, normal, out-of-date)
    RAID group /mc2_data_aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk    Device                HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------                ------------- ---- ---- ---- ----- --------------    --------------
      data        sw1-mc2:1-5.126L20    0c    -   -          0   LUN   N/A 1565625/3206400000 1581440/3238789120
      data        sw1-mc2:1-5.126L45    0c    -   -          0   LUN   N/A 1525708/3124649984 1541120/3156213760

  Plex /mc2_data_aggr0/plex6 (offline, failed, inactive)

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