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是否可以在级联配置中使用 SVM-DR ?

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Category:
ontap-9
Specialty:
dp
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适用场景

  • SnapMirror
  • ONTAP 9
  • ONTAP 9.1
  • ONTAP 9.2
  • Data ONTAP Simulator
  • ONTAP 9.3

问题解答

不可以, SVM-DR 设计为在 A -> B 配置中使用。类型 DP 和 XDP SVM-DR 要求传输的源 SVM 包含子类型 "default" 。

场景:

  • A -> B -> C

( a )生产集群:集群 A

( a )生产 SVM :生产

—镜像 / 类型: dp--

( b ) DR 集群: cluster-b

( B ) DR SVM :二级

—建议的存储 / 类型: XDP —

( C )存储集群: cluster-c

( C )存储 SVM :三级
 

  • A -> B 使用类型 DP 进行镜像

cluster-b::> snapmirror show

                                                                       Progress

Source            Destination Mirror  Relationship   Total             Last

Path        Type  Path        State   Status         Progress  Healthy Updated

----------- ---- ------------ ------- -------------- --------- ------- --------

production: DP   secondary:   Snapmirrored

                                      Idle           -         true    -

在 cluster-c 上尝试创建 SnapMirror 时,如果将 "second" 设置为 "tertiary : " ,则会显示以下错误:

cluster-c::> snapmirror create -source-path secondary: -destination-path tertiary: -type XDP

Error: command failed: Vserver "secondary" is not a Vserver of subtype "default".

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