Openshift 4.12 FILESYSTEM PVC expansion failed with no error

[Greco21298]

Openshift 4.12+ hpe csi driver 2.3.0

1、we have a storage class:
ind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: nfs-sas
annotations:
storageclass.kubernetes.io/is-default-class: 'false'
provisioner: csi.hpe.com
parameters:
csi.storage.k8s.io/fstype: xfs
csi.storage.k8s.io/provisioner-secret-namespace: hpe-storage
csi.storage.k8s.io/provisioner-secret-name: primera-secret-dc1
remoteCopyGroup: rcg-ocp-sas
csi.storage.k8s.io/node-stage-secret-name: primera-secret-dc1
nfsResources: 'true'
provisioning_type: tpvv
csi.storage.k8s.io/controller-expand-secret-name: primera-secret-dc1
csi.storage.k8s.io/node-publish-secret-namespace: hpe-storage
replicationDevices: crd-sas
csi.storage.k8s.io/controller-publish-secret-name: primera-secret-dc1
csi.storage.k8s.io/controller-publish-secret-namespace: hpe-storage
nfsProvisionerImage: 'registry.bhc-ocp4-bda.bbac.local/hpestorage/nfs-provisioner:v3.0.0'
csi.storage.k8s.io/node-publish-secret-name: primera-secret-dc1
csi.storage.k8s.io/controller-expand-secret-namespace: hpe-storage
cpg: YZ-DC1-Stor-BHC-CPG-SAS
accessProtocol: fc
description: Volume created using Peer Persistence with the HPE CSI Driver for Kubernetes
allowOverrides: 'description,provisioning_type,cpg,remoteCopyGroup'
csi.storage.k8s.io/node-stage-secret-namespace: hpe-storage
reclaimPolicy: Delete
allowVolumeExpansion: true
volumeBindingMode: Immediate
2、we create a NFS -PVC ,and we want to expansion,but failed with no error

[datamattsson]

This is not supported today. Please see NFS limitations here: https://scod.hpedev.io/csi_driver/using.html#limitations_and_considerations_for_the_nfs_server_provisioner