The software described in this documentation is either no longer supported or is in extended support.
Oracle recommends that you upgrade to a current supported release.

2.2 Operating System Requirements

Gluster Storage for Oracle Linux Release 4.1 is available for Oracle Linux 7 (x86_64) running the Red Hat Compatible Kernel (RHCK), the Unbreakable Enterprise Kernel Release 4 (UEK R4) or the Unbreakable Enterprise Kernel Release 5 (UEK R5). A minimum of Oracle Linux 7 Update 4 is required.