<disk device='disk' type='block'>
  <driver name='qemu' type='raw'/>
  <source dev='/dev/blah'>
    <reservations enabled='yes' managed='yes'/>
    <privateData>
      <nodenames>
        <nodename type='storage' name='node-a-st'/>
        <nodename type='format' name='node-a-fo'/>
      </nodenames>
      <reservations mgralias='node-a-st-pr-alias'/>
    </privateData>
  </source>
  <target dev='vda'/>
</disk>
