What steps need to be considered or aware of, to upgrade from 2.1 to 4.0 Is it accumulative or upgrade to 3 and then go to 4. OR STAY WITH 2.1. HT -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
