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如何计算SnapMirror滞后时间?

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适用场景

  • ONTAP 9
  • SnapMirror

问题解答

  • SnapMirror滞后时间是在源上创建快照的时间与在目标上创建系统时间之间的差值
  • 还有其他一些因素可能会影响滞后、包括 
    • 上次成功传输快照的时间戳
    • 目标上的系统时间
    • 将快照从源传输到目标所需的时间
  • 如何计算滞后的示例
    • 快照将在08:00创建
    • 计划的SnapMirror更新将在12:00运行
    • 完成传输需要15分钟
    • 滞后时间为4小时15分钟
      • 如何计算?快照创建时间与启动传输之间的差值为4小时、外加15分钟、以便完成传输

 

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