Description of problem: Documents are needed since new playbooks have been added to scale down(i.e shrink mds, rgw and mgr) and scale up(i.e add mgr and rgw using --limit option) a cluster. I. scale up: -ceph-rgw: https://github.com/ceph/ceph-ansible/pull/3889 - ceph-mgr: https://github.com/ceph/ceph-ansible/pull/3931 II. scale down: - ceph-mds: https://github.com/ceph/ceph-ansible/pull/4083 - ceph-rgw: https://github.com/ceph/ceph-ansible/pull/4165 - ceph-mgr: https://github.com/ceph/ceph-ansible/pull/4150 Version-Release number of selected component (if applicable): ceph version 14.2.4-31.el7cp ansible-2.8.7-1.el7ae.noarch ceph-ansible-4.0.6-1.el7cp.noarch
*** Bug 1882366 has been marked as a duplicate of this bug. ***