ceph-osd:
    charm: cs:trusty/ceph-osd
    series: trusty
    num_units: 3
    options:
      ceph-public-network: 10.16.100.0/24
      ceph-cluster-network: 10.16.102.0/24
      osd-devices: /dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg /dev/sdh
      osd-format: xfs
      osd-journal-size: 10240
      osd-reformat: 'true'
      source: cloud:trusty-kilo
    to:
      - '4'
      - '5'
      - '6'