<volume type='file'>
  <name>f9e0c925-47d3-43b1-a72a-f4cc9f12a54c-primary</name>
  <allocation unit='MB'>7372</allocation>
  <capacity unit='MB'>8192</capacity>
  <target>
    <format type='qcow2'/>
    <permissions>
      <owner>107</owner>
      <group>107</group>
    </permissions>
  </target>
  <backingStore>
    <format type='qcow2'/>
    <path>/var/lib/libvirt/images/template-centos-7</path>
  </backingStore>
</volume>