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ONTAP Select failover is disabled as some aggregates are degraded or unmirrored

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Applies to

  • ONTAP 9
  • ONTAP Select
  • Storage Failover

Issue

  • ONTAP Select two-node reports below error that show takeover is not possible:

Node::> storage failover show
                              Takeover
Node           Partner        Possible State Description
-------------- -------------- -------- -------------------------------------
Node-01    Node-02    false    Connected to Node-02, Takeover is not possible: Aggregates are degraded or unmirrored
Node-02    Node-01    false    Connected to Node-01, Takeover is not possible: Aggregates are degraded or unmirrored
2 entries were displayed.

  • Command 'run node * -command sysconfig' indicates that some aggregates are not configured as mirrored aggregates: 

Example: two disks are configured into one raid group(rg0) which is no mirror

Aggregate aggr02 (online, raid0) (advanced_zoned checksums)
  Plex /aggr02/plex0 (online, normal, active, pool0)
    RAID group /aggr02/plex0/rg0 (normal, advanced_zoned checksums)

      RAID Disk    Device    HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------    ------------- ---- ---- ---- ----- --------------    --------------
      data        0b.11    0b    -   -   SA:A   0 VMDISK   N/A 3612664/7398737792 3670015/7516192760 
      data        0b.10    0b    -   -   SA:A   0 VMDISK   N/A 3612664/7398737792 3670015/7516192760 

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