<pool type='gluster'>
  <name>mygluster</name>
  <uuid>65fcba04-5b13-bd93-cff3-52ce48e11ad8</uuid>
  <capacity unit='bytes'>0</capacity>
  <allocation unit='bytes'>0</allocation>
  <available unit='bytes'>0</available>
  <source>
    <host name='localhost'/>
    <dir path='/sub'/>
    <name>volume</name>
  </source>
</pool>