https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.3/html/configuring_red_hat_virtualization_with_red_hat_gluster_storage/chap-enabling_red_hat_storage_in_red_hat_enterprise_virtualization_manager Current guide for enabling Gluster in RHV still refers to RHEL 6 and links to RHV 3.6. Links should be updated to current RHEL and RHV versions.
Kindly note that all links in the current version of gluster docs point to the updated to RHEL and RHV versions. Preview link: https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.4/html/configuring_red_hat_virtualization_with_red_hat_gluster_storage/chap-enabling_red_hat_storage_in_red_hat_enterprise_virtualization_manager
Tested with the latest document as provided in comment2 and it points to the latest RHGS 3.4 & RHV 4.2