ceph:
      charm: ceph
      num_units: 3
      options:
        fsid: 11111111-2222-3333-4444-555555555555
        monitor-secret: XXXXXXXXXX
        osd-devices: /dev/vdb /dev/sdb
        osd-reformat: "yes"
      to:
        - "nova-compute=0"
        - "nova-compute=1"
        - "nova-compute=2"