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何时删除可重新启动的SnapMirror检查点

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适用场景

  • ONTAP 9及更高版本
  • ONTAP 8.3
  • SnapMirror

问题解答

  • 在目标集群中、使用 带有 -snapshot-checkpoint  参数的SnapMirror show 命令查看基线传输的状态和重新启动检查点。

示例

cluster2::> snapmirror show -destination-path dest_vserver:vol3 -fields snapshot-checkpoint source-path destination-path snapshot-checkpoint -------------------- ---------------- ------------------- src_system:vol3 dest_vserver:vol3 50MB
  • 如果存在SnapMirror检查点、请使用SnapMirror initialize  命令恢复基线传输。

示例

cluster2::> snapmirror initialize -destination-path dest_vserver:vol3

但是、有时可以根据以下条件之一删除可恢复检查点

  1. 卷被标记为脱机并以任何方式删除时。
  2. 对关系发出"SnapMirror break' 命令时。
  3. 如果发出带有硬中止开关的SnapMirror。执行硬中止将删除检查点。

如果删除了可重新启动的检查点,则重新启动传输将从头开始,而不是从检查点开始。

 

 

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