<domainsnapshot>
  <name>my snap name</name>
  <description>!@#$%^</description>
  <disks>
    <disk name='hdg' snapshot='external' type='network'>
      <source protocol='gluster' name='volume/path'>
        <host name='host' port='1234'/>
        <seclabel model='dac' relabel='no'/>
      </source>
    </disk>
  </disks>
</domainsnapshot>