overrides:
    ceph:
        conf:
            mds:
                mds standby replay: true

roles:
- [mon.a, mds.a, mds.b-s-0, osd.0, osd.1]
- [mon.b, mds.c-s-0, mds.d-s-0, mon.c, osd.2, osd.3]
- [client.0]