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Will ONTAP upgrade affect SnapMirror relationship?

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Applies to

  • ONTAP 9
  • SnapMirror

Answer

  • Yes, SnapMirror transfers can fail if the source and destination are not compatible versions
    • For example, upgrading the SnapMirror source before the destination could result in SnapMirror updates failing with: Failed to create Snapshot copy [snapshot name] on volume [volume name. (Failed to start operation on source.)
  • It is recommended to suspend SnapMirror activities during an upgrade
  • These two requirements must be always satisfied:
  • The destination needs to be upgraded first
  • Ontap version on source and destination need to be compatible according to SnapMirror compatibility table
 

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