PATCH: http://patches.gluster.com/patch/4338 in master (mgmt/glusterd: fixes in volgen file paths)
create gluster volume with some bricks and start the volume using gluster. Now df command hangs before showing the gluster mount.
PATCH: http://patches.gluster.com/patch/4356 in master (mgmt/glusterd: Fix some more options in volgen.)