[root@hostname]# vi /etc/fstab
/dev/some /partition_name
#####Edit to newname
#####press insert to edit
/dev/some /new_partition_name
###save the file.
:wq!
#####then
[root@hostname]# mount -a
[root@hostname]# df - h
[root@hostname]# reboot
[root@hostname]# df - h
