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如何更改ONTAP SnapMirror关系更新重试次数

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适用场景

  • ONTAP 9
  • ONTAP Select

问题描述

  • 如果遇到中止情况、则SnapMirror更新(手动更新和计划更新)将重试
  • 根据初始更新尝试、默认尝试次数为8次、外加7次重试(默认)
  • 对重试次数和生成的消息进行故障排除时、可能会增加重现错误或查找根发生原因 所需的时间
  • SnapMirror重试次数是可配置的、减少重试次数将减少对SnapMirror问题进行故障排除所需的时间
    • 在收集数据包跟踪时、如果需要快速达到错误、则减少重试次数尤其有用
  • SnapMirror关系由其各自的SnapMirror策略进行管理
    • 重试由这些相同策略控制

在以下示例中、SnapMirror失败并出现网络错误、因此我们正在执行数据包跟踪。由于数据包跟踪的增长速度非常快、因此、理想情况下、我们希望启动跟踪、重现错误并停止跟踪、以使其大小可控。这是减少重试次数的理想情况。

  • SnapMirror故障: 
    • network error(CSM: Request was canceled because of a connection failure.)
    • network error(CSM: An operation did not complete within the specified timeout window.))
  • CSM故障: 
    • CSM: Connection aborted.
    • CSM_CANNABORTED

 

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