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MetroCluster 自动计划外切换 - AutoSupport 消息

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状态信息

适用场景

  • MetroCluster
  • ONTAP 9
  • 自动切换完成
  •  callhome.mcc.auso.complete:alert 

事件摘要

  • MetroCluster 自动计划外切换操作完成后、将显示此消息。
  • 导致切换的最常见情形是:

    • 断电
    • 与存储后端的连接丢失
    • 硬件问题
    • 软件问题

验证

事件日志

event log show -event *auso.complete*

ClusterA-01 ALERT         callhome.mcc.auso.complete: Call home for METROCLUSTER AUTOMATIC UNPLANNED SWITCHOVER COMPLETE

event log show -event *triggered* -severity *notice*

Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
mm/dd/yyyy hh:mm:ss  ClusterA-01     NOTICE        mcc.auso.triggered: The node has triggered an Automatic Unplanned Switchover of the DR partner. Reason: DR Partner Panic. If Automatic Unplanned Switchover was triggered because of heartbeat loss, any ongoing dump on the partner may be aborted.

命令行

从触发切换的集群检查切换状态:

metrocluster operation show

       Operation: switchover

           State: successful
      Start Time: mm/dd/yyyy hh:mm:ss
        End Time: mm/dd/yyyy hh:mm:ss
          Errors: -

metrocluster node show

DR                               Configuration  DR
Group Cluster Node               State          Mirroring Mode
----- ------- ------------------ -------------- --------- --------------------
1     ClusterA
              ClusterA-01   configured     enabled  switchover completed
      ClusterB
              ClusterB-01   unreachable    -         switched over

解决方法

  1. 确定意外切换的发生原因。

  2. 了解发生原因 后、根据以下链接执行相应的恢复步骤:

  3. 如果 需要进一步帮助、请联系NetApp技术支持并参考此文章。

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