tasks:
- cephadm.shell:
    host.a:
      - ceph orch status
      - ceph orch ps
      - ceph orch ls
      - ceph orch host ls
      - ceph orch device ls
roles:
- - host.a
  - osd.0
  - osd.1
  - osd.2
  - osd.3
  - client.0
- - host.b
  - osd.4
  - osd.5
  - osd.6
  - osd.7
openstack:
- volumes: # attached to each instance
    count: 4
    size: 10 # GB
overrides:
  ceph:
    conf:
      osd:
        osd shutdown pgref assert: true