Description of problem: Currently, gluster vfs plugin can take only one volfile server in config settings. Recently gfapi merged feature where in it allows one to specify multiple volfiles. We should make use of that feature in vfs plugin.
Corresponding fix[1] has been merged in Samba upstream sometime back. There changing the bug status. [1] https://git.samba.org/?p=samba.git;a=commit;h=857745655bd29656de3b0f96765d6b65221f3a3e
Samba 4.6.0 has been released[1] with the required fix mentioned in c#1 [1] https://www.samba.org/samba/history/samba-4.6.0.html