[root@testdb1  ~]# vi /etc/fstab

storage1:/dbasharedvol /mnt/dbasharedvol glusterfs defaults,_netdev 0 0

[root@testdb1 ~]# mount -a
Mount failed. Please check the log file for more details.

[root@testdb1 ~]# tail -100 /var/log/glusterfs/mnt-dbasharedvol.log
[2017-03-17 14:58:34.225615] I [glusterfsd.c:1910:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.4.1 (/usr/sbin/glusterfs --volfile-id=/dbasharedvol --volfile-server=storage1 /mnt/dbasharedvol)
[2017-03-17 14:58:34.225874] E [mount.c:267:gf_fuse_mount] 0-glusterfs-fuse: cannot open /dev/fuse (No such file or directory)
[2017-03-17 14:58:34.225888] E [xlator.c:390:xlator_init] 0-fuse: Initialization of volume 'fuse' failed, review your volfile again
[2017-03-17 14:58:59.468108] I [glusterfsd.c:1910:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.4.1 (/usr/sbin/glusterfs --volfile-id=/dbasharedvol --volfile-server=storage1 /mnt/dbasharedvol)
[2017-03-17 14:58:59.468362] E [mount.c:267:gf_fuse_mount] 0-glusterfs-fuse: cannot open /dev/fuse (No such file or directory)
[2017-03-17 14:58:59.468376] E [xlator.c:390:xlator_init] 0-fuse: Initialization of volume 'fuse' failed, review your volfile again
[2017-03-17 15:00:25.063138] I [glusterfsd.c:1910:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.4.1 (/usr/sbin/glusterfs --volfile-id=/dbasharedvol --volfile-server=storage1 /mnt/dbasharedvol)
[2017-03-17 15:00:25.063375] E [mount.c:267:gf_fuse_mount] 0-glusterfs-fuse: cannot open /dev/fuse (No such file or directory)
[2017-03-17 15:00:25.063390] E [xlator.c:390:xlator_init] 0-fuse: Initialization of volume 'fuse' failed, review your volfile again

Solution:
[root@testdb1 ~]# mknod -m 666 /dev/fuse c 10 229
[root@testdb1 ~]# mount -a