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Extra Baseline snapshots within a cascade snapmirror relationship

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snapmirror
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dp
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Applies to

  • ONTAP 9
  • SnapMirror
  • Cascade relationships

Answer

  • SnapMirror cascade is able to reconfigure relationships of one of the cascade participants becomes unavailable, without requiring a new baseline transfer.
  • This capability is implemented by ensuring that there is a common snapshot across all the volumes in a cascade relationship.
  • This may require the transmission of extra snapshots above and beyond those relationships specified by the policy attached to each hop of a cascade.

Additional Information