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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。

追加信息

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.