To prepare customers for 13-16.1 upgrades, we need to add this pre-upgrade validation to osp13. It landed upstream, but doesn't appear to have made it into 13 https://bugs.launchpad.net/tripleo/+bug/1776721
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 (Red Hat OpenStack Platform 13.0 bug fix and enhancement 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-2021:0932