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SyncMirror Snapshots Not Rotating Properly on root aggregate

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Category:
metrocluster
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MetroCluster
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Applies to

  • ONTAP 9
  • MetroCluster

Issue

  • SyncMirror Snapshots not rotating properly reported by ActiveIQ Risks
  • Volume snapshot autodelete getting frequently triggered on root volume:
    Sat Aug 01 12:00:00+0200 [node1:snap_helper:wafl.volume.snap.autoDelete:info]: Deleting snapshot 'hourly.5' in volume 'vol0' to recover storage.
  • Aggregate autodelete getting frequently triggered on root aggregate:
    Sat Aug 01 12:01:00+0200 [node1:snap_helper:wafl.aggr.nospc.del.snapshot:notice]: Autodeletion of snapshots for aggregate "aggr0" was triggered due to: Exceeding Autodelete spill threshold. Available space: 21%, space used by snapshots: 11%.
  • Aggregate resnyc snapshot cannot be created:
    Sat Aug 01 12:02:00+0200 [node1:config_async_0:raid.mirror.resync.snapcrtfail:error]: Aggregate aggr0: could not create mirror resynchronization snapshot mirror_resync.0000111112(node1) (No space left on device)

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