The steps described in the following KB are critical for a successful Ceph 3 minor update: https://access.redhat.com/solutions/6987369 This should not be described as a side documentation only, but should be included as official steps, or at least a warning, in the official documentation, specifically the chapter below: https://access.redhat.com/documentation/en-us/red_hat_ceph_storage/3/html/installation_guide_for_red_hat_enterprise_linux/upgrading-a-red-hat-ceph-storage-cluster
Please specify the severity of this bug. Severity is defined here: https://bugzilla.redhat.com/page.cgi?id=fields.html#bug_severity.