According to https://os-reports.wikimedia.org/buster.html, the following cloud roles need migrated off buster:
role::wmcs::ceph::mon (6 host(s)) role::wmcs::ceph::osd (20 host(s)) role::wmcs::monitoring (2 host(s)) role::wmcs::openstack::codfw1dev::cloudweb (1 host(s)) role::wmcs::openstack::eqiad1::backy (2 host(s)) role::wmcs::openstack::eqiad1::labweb (2 host(s))
This equates to these physical hosts:
cloudbackup1003.eqiad.wmnet cloudbackup1004.eqiad.wmnet cloudmetrics1003.eqiad.wmnet cloudmetrics1004.eqiad.wmnet cloudweb1003.wikimedia.org cloudweb1004.wikimedia.org cloudweb2002-dev.wikimedia.org
Ceph hosts are already covered / tracked by T309789.