[1] http://gluster.readthedocs.io/en/latest/Quick-Start-Guide/Quickstart/

[2] https://www.server-world.info/en/note?os=CentOS_6&p=glusterfs

[3] http://www.sohailriaz.com/glusterfs-howto-on-centos-6-x/

[4] http://www.slashroot.in/gfs-gluster-file-system-complete-tutorial-guide-for-an-administrator

[5] https://blog.windfluechter.net/content/blog/2016/02/08/1717-rpcbind-listening-all-interfaces