k8s mount nfs problem.

Error 1:
Please install on all k8s node nodes:
yum -y install nfs-utils
Error 2:
kubectl logs nfs-client-provisioner-59fd564b9b-zkpbn
Kubernetes PVC has been in Pending state
unexpected error getting claim reference: selfLink was empty, can’t make reference

Temporary solution:
1.20.4 version, solution
/etc/kubernetes/manifests/kube-apiserver.yaml add “–feature-gates=RemoveSelfLink=false”

Solution-use version v4.0.x
Use nfs-client-provisioner: v4.0.1 here
Related documents: https://github.com/kubernetes-sigs/nfs-subdir-external-provisioner/issues/25
Use easzlab/nfs-subdir-external-provisioner:v4.0.1 directly here