RPMs for RHEL and CentOS 6 and 7 are now provided by the CentOS
Storage SIG.

Install the SIG repo:
	`yum install centos-release-gluster36`

Install Gluster. While the packages are in testing (about two weeks):
	`yum --enablerepo=centos-gluster36-test install glusterfs-server`

After the packages emerge from testing:
	`yum install glusterfs-server`

For more information please see
https://wiki.centos.org/SpecialInterestGroup/Storage