Red Hat Bugzilla – 1964986 – [FFU OSP13 to 16.2] During FFU in overcloud enabled, nova scheduler failed to start after the upgrade due to RamFilter, DiskFilter got removed in 16
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 (Release of components for Red Hat OpenStack Platform 16.2.2), 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-2022:1001