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SnapMirror Update gets stuck and never completes

Last Updated:

Applies to

  • ONTAP 9
  • SnapMirror
  • Source volumes of all the impacted SnapMirror relationships reside in the same node


  • From some point, part of SnapMirror relationship update (including Scheduled Update) fails with error "Scheduled update was delayed because another SnapMirror operation for the relationship is in progress"
  • snapmirror show indicates the Relationship Status as Transferring but with no progress even extended time elapses.

            Source Path: svm_src:vol1
       Destination Path: svm_dst:vol1_dp
      Relationship Type: XDP
Relationship Group Type: none
    SnapMirror Schedule: SnapMirror(Day)
 SnapMirror Policy Type: async-mirror
      SnapMirror Policy: MirrorAllSnapshots
            Tries Limit: -
      Throttle (KB/sec): unlimited
           Mirror State: Broken-off
    Relationship Status: Transferring
File Restore File Count: -
 File Restore File List: -
      Transfer Snapshot: -
      Snapshot Progress: -
         Total Progress: 0B

  • snapmirror break fails with error.

Error: command failed: Another transfer is in progress.


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