https://github.com/openshift/ose/pull/731
Verified on v3.1.1.11-32-gbed6861 1.Create nfs pv and pvc 2.Create pods using above pvc and set replicas=1 3.Write some files in the dir which nfs volume mounted in the pod 4.stop node service 5.Pod scheduled to other pods 6.On the origin node, check pod volume is successfully unmounted, the pod directory is removed while the files in the persistent volume are still there.
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-2018:3821