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Can I use SVM-DR in a cascade configuration?

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ontap-9
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core
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Applies to

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

Answer

No, SVM-DR is designed to be used in an A --> B configuration. Type DP and XDP SVM-DR require the source SVM of the transfer to contain subtype 'default'.

Scenario:

  • A  -->  B  -->  C

(A) Production Cluster:  cluster-a

(A) Production SVM:  production

--Mirrored/Type: DP--

(B) DR Cluster:  cluster-b

(B) DR SVM:  secondary

--Proposed vault/Type: XDP--

(C) Vault Cluster:  cluster-c

(C) Vault SVM:  tertiary
 

  • A -->  B are Mirrored using Type: DP

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    -

When a SnapMirror create is attempted for 'secondary:' to 'tertiary:' on cluster-c, the following error displays:

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

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

Additional Information

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