[root@jh-rh dev-opencip]# oc patch storageclass nfs-csi -p '{"metadata": {"annotations": {"storageclass.kubernetes.io/is-default-class": "true"}}}'
storageclass.storage.k8s.io/nfs-csi patched
[root@jh-rh dev-opencip]#
[root@jh-rh dev-opencip]# oc get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
local-sc-alert kubernetes.io/no-provisioner Delete WaitForFirstConsumer false 94d
local-sc-logs kubernetes.io/no-provisioner Delete WaitForFirstConsumer false 94d
local-sc-prome kubernetes.io/no-provisioner Delete WaitForFirstConsumer false 94d
nfs-csi (default) nfs.csi.k8s.io Delete Immediate false 88d
[root@jh-rh dev-opencip]#