oc apply -f nfs-test-pvc.yaml
oc apply -f test-pod.yaml

oc exec -it nfs-test-pod -- sh
echo "NFS OKD OK" > /data/test.txt
exit

oc delete pod tets-pod

oc apply -f test-pod.yaml
oc exec -it nfs-test-pod -- cat /data/test.txt
NFS OKD OK