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Trident error 'backend state failed' and unable to see volumes after upgrade to 20.07.1

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Applies to

NetApp Trident 20.07.1

Issue

  • After upgrading to Trident (20.07.1), volumes are inaccessible with error: backend state failed
  • Error shown in trident-controller.log:
    time="2020-10-02T14:34:50Z" level=warning msg="K8S helper could not add a storage class: Trident initialization failed;
    error attempting to clean up volume pvc-XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXX from backend <LIF_NAME>: error destroying volume : API status: failed, Reason: Volume name: The first character must be a letter or underscore., Code:
    13001" name=trident-csi parameters="map[backendType:ontap-nas]" provisioner=csi.trident.netapp.io

 

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