Candidate for addition to documentation: https://access.redhat.com/site/solutions/58081#comment-335473 (Tentatively assigned to the Reference Guide until further notice)
This bug can be worked on early during the planning stages for Satellite 5.7.
This has been added: https://access.redhat.com/documentation/en-US/Red_Hat_Satellite/5.7/html/Installation_Guide/Performing_Critical_Updates_to_the_Server.html Closing this bug as Athene is no longer at Red Hat.