<domain type='vmware'>
  <name>scsi-writethrough</name>
  <uuid>564d9bef-acd9-b4e0-c8f0-aea8b9103515</uuid>
  <memory unit='KiB'>4096</memory>
  <os>
    <type>hvm</type>
  </os>
  <devices>
    <disk type='file' device='disk'>
      <driver name='buslogic' cache='writethrough'/>
      <source file='[datastore] directory/harddisk.vmdk'/>
      <target dev='sda' bus='scsi'/>
    </disk>
  </devices>
</domain>