Douglas, would you supply an SQL script to show, and another one to remove, fencing config that happen to have a null agent_user ?
(not sure why a needinfo was set on me)
ok, rhevm-3.6.12.1-0.1.el6.noarch update was ok
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2017:3128
*** Bug 1489251 has been marked as a duplicate of this bug. ***