Fix for 5.7.z is: https://github.com/ManageIQ/manageiq/pull/14340
Verified in 5.7.2. Volumes list does not grow and keeps correct number of PVs
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-2017:0898