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NetApp Knowledge Base

A raid group in aggregate is degraded but not offline

Views:
823
Visibility:
Public
Votes:
1
Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9.1 and later

Issue

A raid group of the aggregate is online but degraded. To identify run the command sysconfig -r on each node within the MetroCluster.

node run -node * -command sysconfig -r
Aggregate aggr0 (online, raid4, degraded, mirrored) (block checksums)
  Plex /aggr0/plex0 (online, normal, active, pool0)
    RAID group /aggr0/plex0/rg0 (normal, block checksums)

      RAID Disk	Device                   	HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------	------                   	------------- ---- ---- ---- ----- --------------    --------------
      parity  	switch1:8.217L2         	1a    10  1   FC:A   0   SSD   N/A 915465/1874872832 915715/1875385008 
      data    	switch3:8.217L3 	        1a    10  2   FC:A   0   SSD   N/A 915465/1874872832 915715/1875385008 

  Plex /aggr0/plex1 (online, normal, active, pool1)
    RAID group /aggr0/plex1/rg0 (degraded, block checksums)

      RAID Disk	Device                   	HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------	------                   	------------- ---- ---- ---- ----- --------------    --------------
      parity  	switch2:8.217L2             1c    20  7   FC:B   1   SSD   N/A 915465/1874872832 915715/1875385008 
      data    	switch4:8.217L3             1a    20  6   FC:A   1   SSD   N/A 915465/1874872832 915715/1875385008 (offline)

In the above example aggr0 has a degraded plex1.

Event log will show messages like below at the time of the issue starting
::> event log show
Wed Oct 23 21:13:48 CEST [node-01: bg_disk_fw_update_admin: bdfu.selected:info]: Disk switch1:164.217L7 [NETAPP X371_S1643960ATE NA52] S/N [S3SENY0K214701] selected for background disk firmware update.

 

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