Rename is not possible. One workaround i can think is, do a local replication via CLI where you can specify required FS name on the target FS and replication reversal afterwards, but depending upon your existing configuration, may be too much of work.
Hi  I need rename file system in unity. This file system is export with NFS. I rename mount point but i like rename file system. I can ?  regards and thanks
How to rename file system in unity ?