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How to monitor Aggregate Space when a SyncMirror is not updating

Applies to

  • MetroCluster
  • SyncMirror

Issue

A mirrored aggregate can run out of space if the SyncMirror is in a degraded state and the aggregate is near capacity.

Example of a degraded mirrored aggregate:

Aggregate aggr1_ClusterA_01 (online, raid_dp, mirror degraded) (block checksums)
  Plex /aggr1_ClusterA_01/plex0 (online, normal, active, pool0)
    RAID group /aggr1_ClusterA_01/plex0/rg0 (normal, block checksums)

      RAID Disk	Device              	HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------	------              	------------- ---- ---- ---- ----- --------------    --------------
      dparity 	switch1:7.126L1   	5a    14  0   FC:A   0  FSAS  7200 3807816/7798408704 3815447/7814037168 
      parity  	switch1:7.126L27  	9a    15  0   FC:A   0  FSAS  7200 3807816/7798408704 3815447/7814037168 
      data    	switch1:7.126L53  	5a    16  0   FC:A   0  FSAS  7200 3807816/7798408704 3815447/7814037168 

  Plex /aggr1_ClusterA_01/plex2 (offline, failed, inactive, pool1)
    RAID group /aggr1_ClusterA_01/plex2/rg0 (partial)

      RAID Disk	Device              	HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------	------              	------------- ---- ---- ---- ----- --------------    --------------
      dparity	FAILED              		N/A                        3807816/ -
      parity	FAILED              		N/A                        3807816/ -
      data	    FAILED              		N/A                        3807816/ -
      Raid group is missing 3 disks.

 

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