rook重新安装ceph时，osd的pod总是重启

解决方法：
在delete pod之前，执行“delete deployment”

#执行这个命令之后,osd回不断地换ID重启
kubectl delete pod rook-ceph-osd-0-5b46b67549-87h6v --force --grace-period=0 -n rook-ceph

这时就需要先deployment才行。

[root@kub1 ceph]#  kubectl get deployment -n rook-ceph
NAME                           READY   UP-TO-DATE   AVAILABLE   AGE
csi-cephfsplugin-provisioner   2/2     2            2           2d6h
csi-rbdplugin-provisioner      2/2     2            2           2d6h
rook-ceph-mgr-a                1/1     1            1           2d
rook-ceph-operator             1/1     1            1           2d18h
rook-ceph-osd-0                0/1     1            0           2d
[root@kub1 ceph]# kubectl delete deployment rook-ceph-osd-0 -n rook-ceph
deployment.extensions "rook-ceph-osd-0" deleted