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AWS のシングルノード Cloud Volumes ONTAP にディスクがありません。アグリゲートがオフラインです

環境

  • Cloud Volumes ONTAP (CVO)
  • AWS

問題

  • failed AWS Cloud Volumes ONTAP環境でのアグリゲートの表示:
 
アグリゲートがオフラインであり、AWSのシングルノードCloud Volumes ONTAPにディスクがない

Your_AWS_node::> aggr show


Aggregate    Size Available Used% State   #Vols  Nodes       RAID Status
--------- -------- --------- ----- ------- ------ ---------------- ------------
aggr0_Your_AWS_node_01
      124.0GB   6.01GB   95% online     1 Your_AWS_node-01 raid0,
                                  normal
aggr1       0B     0B   0% failed     0 Your_AWS_node-01 raid0,
                                  partial
2 entries were displayed.

 
  • EMSには次のメッセージが表示されます。
 
12/9/2021 15:48:15  Your_AWS_node-01 ALERT      sk.panic: Panic String: aggr aggr1: raid volfsm, fatal disk error in RAID group with no parity disk..
Raid type - raid0
Group name plex0/rg0 state NORMAL. 1 disk failed in the group.
Disk 0b.6 S/N [00000000V-xNBTca/C86] UID [00000000V-xNBTca/C86] error: no valid path to disk. in SK process config_thread on
release 9.10.1RC1 (C)
 
 
12/9/2021 15:48:15  Your_AWS_node-01 ERROR      scsi.cmd.adapterHardwareErrorEMSOnly: Disk device 0b.6L0: Adapter detected hardware error: HA status 0x6: cdb 0x2a:00034c30:0078. Disk 0b.6 S/N [00000000V-xNBTca/C86] UID [00000000V-xNBTca/C86] Target Address [nvme (null)6]
12/9/2021 15:48:15  Your_AWS_node-01 ERROR      scsi.cmd.abortedByHost: Disk device 0b.6L0: Command aborted by host adapter: HA status 0x4: cdb 0x2a:00034c30:0078. Disk 0b.6 S/N [00000000V-xNBTca/C86] UID [00000000V-xNBTca/C86] Target Address [nvme (null)6]

 
  • disk show  アグリゲートを構成するすべてのディスクが想定どおりに表示されるわけではありません。この例では、aggr1のディスクが5本しか表示されませんが、以前の AutoSupportでは、アグリゲートに6本のディスクが必要であることがわかっています。

Your_AWS_node::> disk show
           Usable       Disk   Container   Container
Disk           Size Shelf Bay Type   Type     Name    Owner
---------------- ---------- ----- --- ------- ----------- --------- --------
NET-1.1        137.8GB    -   - VMDISK  aggregate   aggr0_Your_AWS_node_01
                                   Your_AWS_node-01
NET-1.3        1007GB    -   - VMDISK  aggregate   aggr1    Your_AWS_node-01
NET-1.4        1007GB    -   - VMDISK  aggregate   aggr1    Your_AWS_node-01
NET-1.5        1007GB    -   - VMDISK  aggregate   aggr1    Your_AWS_node-01
NET-1.7        1007GB    -   - VMDISK  aggregate   aggr1    Your_AWS_node-01
NET-1.8        1007GB    -   - VMDISK  aggregate   aggr1    Your_AWS_node-01
6 entries were displayed.

 

この例では、現在の disk show 出力を以前のAutoSupportと比較したときにNET-1.6ディスクが表示されていません。

 

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