6027-2613 Cannot restore snapshot. `fileSystem` is mounted on `number` node(s) and in use on `number` node(s).

Explanation
This message is issued by the tsressnapshot command.
User response
Unmount the file system and reissue the restore command.

6027-2613 Cannot restore snapshot. fileSystem is mounted on number node(s) and in use on number node(s).