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Long-Term Retention Snapshots may break retention in SnapMirror cascades

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Applies to

  • ONTAP 9
  • Cascade SnapMirror configurations

Issue

  • When using Long-Term Retention (LTR) Snapshots with SnapMirror cascades, SnapMirror may not reliably back up all Snapshots
  • LTR Snapshots are Snapshots created directly on a SnapMirror destination volume through a schedule in the SnapMirror policy rule, rather than replicated from the source volume
  • For more details on LTR Snapshots, see How does the schedule parameter in an ONTAP 9 SnapMirror policy rule work?

 

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