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SMHV keeps expired backup Snapshot after failing to delete

Last Updated:

Applies to

  • SnapManager for Hyper-V (SMHV) 2.1.4
  • SnapDrive for Windows 7.1.5
  • ONTAP 9.5


  • SMHV keeps backup Snapshot which is over the retention period.
  • SMHV backup report shows that deleting backup Snapshot fails.

Processing deletion of backup snapshots..
Deleting snapshot: [Snapshot: <SNAPSHOT_NAME>,VolumeID: <VOLUME_ID>,Storage system: <SVM_NAME>,Volume: <VOLUME_NAME>,LunPath: <LUNPATH> ]
An error occurred while deleting snapshots  <SNAPSHOT_NAME>

  • SnapDriveDebug.log shows that Remove-NcSnapshot command fails by the following error.

General Verbose Command starts: Remove-NcSnapshot -Volume <VOLUME_NAME> -Snapshot <SNAPSHOT_NAME>
General Verbose ++PSHelper::RunCommand
General Critical Failed to run a command Remove-NcSnapshot.
 Exception : Message    : The running command stopped because the preference variable "ErrorActionPreference" or common parameter is set to Stop: Snapshot is in use
Source     : System.Management.Automation
StackTrace :    at System.Management.Automation.Internal.PipelineProcessor.SynchronousExecuteEnumerate(Object input, Hashtable errorResults, Boolean enumerate)
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeHelper()
   at System.Management.Automation.Runspaces.LocalPipeline.InvokeThreadProc()
Data :
General Verbose --PSHelper::RunCommand

  • The following error is returned as a result of snapshot-delete ZAPI in ONTAP /mroot/etc/log/mlog/audit.log.

<netapp version='1.7' xmlns='' vfiler='<SVM_NAME>'><snapshot-delete>   <snapshot><SNAPSHOT_NAME></snapshot>   <volume><VOLUME_NAME></volume> </snapshot-delete></netapp>  :: Pending
Snapshot copy "<SNAPSHOT_NAME>" of volume "<VOLUME_NAME>" on Vserver "<SVM_NAME>" has not expired or is locked. Use the "snapshot show -fields owners, expiry-time" command to view the expiry and lock status of the Snapshot copy. :: ONTAPI :: Error



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