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支持的最小SnapMirror间隔是多少?

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适用场景

  • ONTAP 9
  • 仅限异步SnapMirror

问题解答

支持的最小异步SnapMirror间隔(即支持的最小RPO)取决于关系类型和正在使用的卷:

SnapMirror配置 支持的最小RPO
FlexVol 卷 5分钟
FlexGroup 卷 30 分钟
适用于FlexVol卷的SVM DR 15 分钟
适用于FlexGroup卷的SVM DR 30 分钟
一致性组(9.13.1 9.13.1及更高版本) 30 分钟
S3 SnapMirror 0秒*

注意:如果配置的计划不满足给定的最小RPO要求,则可以跳过计划的更新

*S3 SnapMirror
  • S3 SnapMirror无法保证零RPO
  • 即使在SnapMirror策略中-rpo 设置为0、对象更改仍会异步复制、并且需要一些非零时间才能复制并写入目标对象存储/存储分段

 

 

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