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SnapMirror 关系报告准备关系状态

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状态信息

适用场景

  • ONTAP 9
  • SnapMirror
  • SnapVault
  • 统一复制
  • 存储虚拟机灾难恢复( SVM DR )

问题描述

  • SnapMirror 或 SVMDR 反向重新同步所需时间比预期要长,或者似乎非常慢
  • snapmirror show  或者 OnCommand System Manager 会报告“正在准备”的 SnapMirror 关系状态,并在相当长的时间内完成此操作。

ClusterA::> snapmirror show
                                     Progress
Source        Destination  Mirror  Relationship   Total       Last
Path      Type  Path      State   Status      Progress  Healthy Updated
-----------  ----  ------------ ------- -------------- --------- ------- --------
svmSource:volSource
       XDP   svmDest:volDest
                 Snapmirrored
                    Preparing    98.17GB  true   01/01 12:00:00

  • 之后,卷和 SVM 复制关系 都可能会经历长时间的准备状态 snapmirror resync
  • 典型更新操作相比,准备操作可能运行的时间更长,并且似乎传输的数据更多
  • 完成准备操作的延迟会snapmirror resync使卷 SnapMirror 或 SVMDR 的发生原因显示速度较慢

 

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