<pool type="rbd">
  <name>rbd-pool</name>
  <capacity unit="bytes">47256127143936</capacity>
  <allocation unit="bytes">5537792235090</allocation>
  <available unit="bytes">35978000121856</available>
  <source>
    <host name="ceph-mon-1.example.com" port="1234"/>
    <host name="foo.bar" port="6789"/>
    <host name="ceph-mon-3.example.com" port="1000"/>
    <name>rbd</name>
    <host name="frobber" port="5555"/>
  </source>
</pool>