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NetApp Stage KB

Trident is Unable to delete snapshot from backend, causing PVC to hang in terminating

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0
Category:
astra_trident
Specialty:
SNAPX
Last Updated:

Applies to

  • Trident for Kubernetes/Openshift up to 21.07.1
  • Astra Trident for Kubernetes/Openshift 21.10.0 and higher
  • CommVault for Kubernetes
  • VSERVER-DR or MCC (Metrocluster)

Issue

The following errors occur while Trident is attempting to delete the snapshots on the PV volume, so the volume can be deleted:
time="<DATETIME>" level=info msg="Determined topology labels for node: map[]" node=<K8S_NODE_N> requestID=<UUID> requestSource=REST
time="<DATETIME>" level=error msg="Could not begin splitting clone from snapshot."
    cloneVolumeName=<FLEXCLONE_PVC_NAME>
    error="error splitting clone: API status: failed,
    Reason: This volume cannot be split as it is configured for protection using Vserver level snapmirror.
        Change the protection type using \"volume modify\" command to make it unprotected., Code: 13001"
    parentVolumeName=<VOLUME_PVC_NAME> requestID=<UUID>
    requestSource=CSI   snapshotName=snapshot-<UUID>
time="<DATETIME>" level=error msg="Unable to delete snapshot from backend." backend=<BACKEND_NAME>
    error="snapshot snapshot-<UUID> backing volume <VOLUME_PVC_NAME> is busy" requestID=<UUID>
    requestSource=CSI snapshot=snapshot-<UUID>   volume=<PVC-NAME>

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