This bug has been copied from bug #471258 and has been proposed
to be backported to 5.4 z-stream (EUS).
*** Bug 612624 has been marked as a duplicate of this bug. ***
5.4.z build with patch included is here:
Technical note added. If any revisions are required, please edit the "Technical Notes" field
accordingly. All revisions will be proofread by the Engineering Content Services team.
When SELinux was in permissive mode, a race condition during file creation was able to cause one or more cluster nodes to be fenced and lock the remaining nodes out of the GFS file system. This race condition no longer occurs with this update.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.