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Repairing AWS CVO instance with a failed disk (EBS volume)

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cloud-volumes-ontap-cvo
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cloud
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Applies to

  • Cloud Manager (Service Connector) 
  • ONTAP 9 
  • Cloud Volumes ONTAP (CVO)
  • Amazon Web Services (AWS)
  • AWS Elastic Block Store (EBS) volume

Issue

  • At times, disk failures occurs even in the cloud. The following is a guide to restoring a Cloud Volumes ONTAP HA instance to a healthy state after such a failure.
  • ONTAP will report the disk as failed, the plex containing it will be offline and the aggregate will be degraded.

HA Group Notification (FILESYSTEM DISK FAILED Shelf -, Bay -, Model [PHA-DISK ], S/N [xxxxxxxxxxxxxx]) ERROR
HA Group Notification (DISK FAILED Shelf -, Bay -, Model [PHA-DISK ], S/N [xxxxxxxxxxxxxxx]) ERROR

HA Group Notification (SYNCMIRROR PLEX FAILED) ALERT

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

      RAID Disk    Device    HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------    ------------- ---- ---- ---- ----- --------------    --------------
      data    FAILED        N/A                        8257528/ -
      data        0d.25    0d    -   -   SA:A   1 VMDISK   N/A 8257528/16911419264 8388607/17179869176 
      data        0d.4     0d    -   -   SA:A   1 VMDISK   N/A 8257528/16911419264 8388607/17179869176 
      data        0d.33    0d    -   -   SA:A   1 VMDISK   N/A 8257528/16911419264 8388607/17179869176 
      data        0d.16    0d    -   -   SA:A   1 VMDISK   N/A 8257528/16911419264 8388607/17179869176 
      data        0d.8     0d    -   -   SA:A   1 VMDISK   N/A 8257528/16911419264 8388607/17179869176 
      Raid group is missing 1 disk.

 

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