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聚合脱机,但 AWS 中的单节点 Cloud Volumes ONTAP 中缺少磁盘

适用场景

  • Cloud Volumes ONTAP ( CVO )
  • AWS

问题描述

  • 聚合在 failed AWS Cloud Volumes ONTAP 环境中显示:
 
clipboard_ee9a7659612a9b69a62aa21e986ddc90e.png

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.

 
  • 在 EMS 中会显示以下消息:
 
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 输出不会按预期列出构成聚合的所有磁盘。在此示例中, aggr1 只能看到 5 个磁盘,但我们从先前的 AutoSupport 中知道聚合中应有 6 个磁盘:

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.

 

在此示例disk show 中,我们可以看到,在将当前输出与先前的 AutoSupport 进行比较时,磁盘 NET-1.6 丢失。

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