Trident can not create the PV volume
Applies to
- Cloud Volumes ONTAP (CVO)
- NetApp Trident for Kubernetes
- Persistent Volume (PV)
- Persistent Volume Claims (PVC)
Issue
- Can not create the PV following the errors in the “trident-controller” log.
Example:
time="2021-05-07T06:49:09Z" level=info msg="No backends currently satisfy provided storage class." requestID=d7d2130d-b43d-4965-89ae-670d12035f05 requestSource=Kubernetes storageClass=standardcvo
time="2021-05-07T06:49:09Z" level=info msg="K8S helper added a storage class." name=standardcvo parameters="map[backendType:cvobackend]" provisioner=csi.trident.netapp.io requestID=d7d2130d-b43d-4965-89ae-670d12035f05 requestSource=Kubernetes
time="2021-05-07T06:50:45Z" level=info msg="Found PVC for requested volume pvc-d90649bd-e472-4d2b-a1a0-afa0465678bb." UID=d90649bd-e472-4d2b-a1a0-afa0465678bb name=test1 namespace=default requestID=0d016237-d520-4f7e-a819-3827d7de6ea8 requestSource=CSI size="{{1073741824 0} {
} 1Gi BinarySI}" storageClass=standardcvo
time="2021-05-07T06:50:45Z" level=info msg="Found storage class for requested volume pvc-d90649bd-e472-4d2b-a1a0-afa0465678bb." name=standardcvo requestID=0d016237-d520-4f7e-a819-3827d7de6ea8 requestSource=CSI
time="2021-05-07T06:50:45Z" level=info msg="no backend pools support the requisite protocol" requestID=0d016237-d520-4f7e-a819-3827d7de6ea8 requestSource=CSI
time="2021-05-07T06:50:45Z" level=info msg="no backend pools support any requisite topologies" requestID=0d016237-d520-4f7e-a819-3827d7de6ea8 requestSource=CSI
time="2021-05-07T06:50:45Z" level=error msg="GRPC error: rpc error: code = Unknown desc = no available backends for storage class standardcvo" requestID=0d016237-d520-4f7e-a819-3827d7de6ea8 requestSource=CSI
- The aggregate is created on the CVO.
- The NFS volume can be created manually in the aggregate of the CVO for the Kubernetes.