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SnapMirror活动同步中的主LUN会在网络故障期间标记为已降级

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适用场景

  • ONTAP 9
  • SnapMirror主动同步(以前称为SnapMirror业务连续性(SM-BC))

问题描述

  • 发生以下所有事件时、主站点会发生I/O中断 ：
    • 主站点和二级站点之间的网络故障
    • SnapMirror活动同步 一致性组处于"不同步"状态
    • [1]无法从主站点访问ONTAP调解器
  • EMS日志显示以下消息
    • [<NODE>: scsit_lu_0: scsiblade.san.ssm.lu.degraded:alert]: LUN <LUN_Serial> was marked as degraded due to a SnapMirror Automated Failover relationship going out of sync.
    • [<NODE>: mgwd: sm.mediator.misconfigured:alert]: ONTAP Mediator is not accessible on cluster "<CLUSTER_NAME>" with Mediator IP address "<ONTAP_MEDIATOR_IP>".

 

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