The Gluster Community currently provides GlusterFS packages for the following distributions:
3.5 3.6 3.7
Fedora 21 ¹ × ×
Fedora 22 × ¹ ×
Fedora 23 × × ¹
Fedora 24 × × ¹
RHEL/CentOS 5 × ×
RHEL/CentOS 6 × × ×
RHEL/CentOS 7 × × ×
Ubuntu 12.04 LTS (precise) × ×
Ubuntu 14.04 LTS (trusty) × × ×
Ubuntu 15.04 (vivid) × ×
Ubuntu 15.10 (wily)
Debian 7 (wheezy) × ×
Debian 8 (jessie) × × ×
Debian 9 (squeeze) × × ×
SLES 11 × ×
SLES 12 × ×
OpenSuSE 13 × × ×
RHELSA 7 ×
(Packages are also available in NetBSD and maybe FreeBSD.)
Most packages are available from download.gluster.org
Ubuntu packages are available from Launchpad
As can be seen, the old distributions don’t have pkgs of the latest GlusterFS, usually due to dependencies that are too old or missing. Similarly, new distributions don’t have pkgs of the older versions, for the same reason.
[1] In Fedora, Fedora Updates, or Fedora Updates-Testing for Primary architectures. Secondary architectures seem to be slow to sync with Primary; RPMs for aarch64 are often available from download.gluster.org