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