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What is the difference of retention between mirror-vault and vault of snapmirror?

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Applies to

  • ONTAP 9
  • SnapMirror

Answer

  • Mirror-Vault:
    • A new sm_created snapshot is created and replicated along with any snapshots that have a SnapMirror label matching any SnapMirror policy rules will be replicated to the destination cluster
    • Retain the number of snapshots as rule set, but for snapshots created by SnapMirror (sm_created), the destination may have 1 more than the specified number.
  • Vault:
    • Snapshots created manually or using a snapshot policy that have a SnapMirror label matching any SnapMirror policy rules will be replicated to the destination cluster,
    • Retain the number of snapshots as rule set.

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