(Can't push to stage atm) http://deathstar1.usersys.redhat.com:8080/TopicIndex/Books/Messaging_Installation_and_Configuration_Guide/index.html#Persistence_Options
http://documentation-devel.engineering.redhat.com/docs/en-US/Red_Hat_Enterprise_MRG/2.2/html-single/Messaging_Installation_and_Configuration_Guide/index.html#Persistence_Options
Released for MRG 2.2