Deleted _netdev option and the updated documentation is available at: http://documentation-devel.engineering.redhat.com/docs/en-US/Red_Hat_Storage/2.0/html/Administration_Guide/chap-Administration_Guide-GlusterFS_Client.html#sect-Administration_Guide-GlusterFS_Client-GlusterFS_Client-Mounting_Volumes
Please note that the _netdev option should be ignored by the GlusterFS native client (see Bug 848320, Bug 827121 and Bug 858442). It is crucial for automated mounts on boot to have the _netdev option in /etc/fstab. Without the _netdev option in /etc/fstab the /etc/rc.d/rc.sysinit script will try to mount the volumes before starting the network, and fail. It is correct that any mount commands do not need the _netdev option, the only requirement is to have _netdev in /etc/fstab.
I have added _netdev option in the /etc/fstab entry for automated mount. The updated documentation is available at: https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Storage/2.0/html/Administration_Guide/chap-Administration_Guide-GlusterFS_Client.html#sect-Administration_Guide-GlusterFS_Client-GlusterFS_Client-Mounting_Volumes
Thanks Divya! That looks good to me.
Verified in the above link. Looks fine.