The OCP 3.5 backport PR # https://github.com/openshift/ose/pull/789
The subjected patch has been merged in OCP 3.5 tree.
Waiting on https://bugzilla.redhat.com/show_bug.cgi?id=1423640
Tested on openshift v3.5.5.28 I have verified the auto_unmount option is merged in openshift code. Gluster Storage team will ensure auto_unmount fixes the issue. From OpenShift perspective, this is verified.
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/RHBA-2017:1640