Openshift 3.6 allows mounting RWO volumes to multiple nodes. In environments like AWS this causes unnecessary errors and API usage. Fixing this will bring the behaviour on par with Openshift-3.7
Fixed - https://github.com/openshift/ose/pull/877
Verified on v3.6.173.0.63
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/RHSA-2017:3389