Description of problem: Validating only clients for the SERVER_REEF bit is not enough; we need to check also mons & osds in case somebody tries to add primary upmappings during e.g. upgrade.
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 (Important: Red Hat Ceph Storage 8.1 security, bug fix, and enhancement updates), 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-2025:9775