![v2-s-1.gif](https://i.loli.net/2021/07/26/ZP1WVgwEHb7KTil.gif)
[root@master ~]# kubectl get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
minio s3.csi.metal-stack.io Delete Immediate false 89d
nfs nfs-nfs Delete Immediate false 133d
nfs-nas nfs-nfs-nas Delete Immediate false 121d
[root@master ~]# kubectl annotate storageclass nfs-nas storageclass.kubernetes.io/is-default-class=true
storageclass.storage.k8s.io/nfs-nas annotated
[root@master ~]# kubectl get sc
NAME PROVISIONER RECLAIMPOLICY VOLUMEBINDINGMODE ALLOWVOLUMEEXPANSION AGE
minio s3.csi.metal-stack.io Delete Immediate false 89d
nfs nfs-nfs Delete Immediate false 133d
nfs-nas (default) nfs-nfs-nas Delete Immediate false 121d