1、After performing a snapshot clone of the glusterfs vol,
the status of the vol is'Created', and the parameter
"gluster volume set nfs.rpc-auth-reject'*'" is required for
the vol in the'Started' state.
2、The cloned volume needs to activate the snapshot,
if the snapshot is already activated, you need to skip the activation step
(cherry picked from commit 63e255248b)
(cherry picked from commit 3635ade670)