disk_snapshot.xml

<domainsnapshot>
  <name>my snap name</name>
  <description>!@#$%^</description>
  <state>disk-snapshot</state>
  <parent>
    <name>earlier_snap</name>
  </parent>
  <creationTime>1272917631</creationTime>
  <disks>
    <disk name='hda' snapshot='no'/>
    <disk name='hdb' snapshot='no'/>
    <disk name='hdc' snapshot='internal'/>
    <disk name='hdd' snapshot='external'>
      <driver type='qed'/>
      <source file='/path/to/generated4'/>
    </disk>
    <disk name='hde' snapshot='external'>
      <driver type='qcow2'/>
      <source file='/path/to/new'/>
    </disk>
    <disk name='hdf' snapshot='external'>
      <driver type='qcow2'/>
      <source file='/path/to/generated5'/>
    </disk>
  </disks>
  <domain type='qemu'>
    <name>QEMUGuest1</name>
    <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
    <memory>219100</memory>
    <currentMemory>219100</currentMemory>
    <vcpu cpuset='1-4,8-20,525'>1</vcpu>
    <os>
      <type arch='i686' machine='pc'>hvm</type>
      <boot dev='hd'/>
    </os>
    <clock offset='utc'/>
    <on_poweroff>destroy</on_poweroff>
    <on_reboot>restart</on_reboot>
    <on_crash>destroy</on_crash>
    <devices>
      <emulator>/usr/bin/qemu</emulator>
      <disk type='block' device='disk'>
        <source dev='/dev/HostVG/QEMUGuest1'/>
        <target dev='hda' bus='ide'/>
        <address type='drive' controller='0' bus='0' unit='0'/>
      </disk>
      <disk type='block' device='disk'>
        <source dev='/dev/HostVG/QEMUGuest2'/>
        <target dev='hdb' bus='ide'/>
        <address type='drive' controller='0' bus='1' unit='0'/>
      </disk>
      <disk type='block' device='disk'>
        <source dev='/dev/HostVG/QEMUGuest3'/>
        <target dev='hdc' bus='ide'/>
        <address type='drive' controller='0' bus='2' unit='0'/>
      </disk>
      <disk type='block' device='disk'>
        <source dev='/dev/HostVG/QEMUGuest4'/>
        <target dev='hdd' bus='ide'/>
        <address type='drive' controller='0' bus='3' unit='0'/>
      </disk>
      <disk type='block' device='disk'>
        <source dev='/dev/HostVG/QEMUGuest5'/>
        <target dev='hde' bus='ide'/>
        <address type='drive' controller='0' bus='4' unit='0'/>
      </disk>
      <disk type='block' device='disk'>
        <source dev='/dev/HostVG/QEMUGuest6'/>
        <target dev='hdf' bus='ide'/>
        <address type='drive' controller='0' bus='5' unit='0'/>
      </disk>
      <controller type='ide' index='0'/>
      <memballoon model='virtio'/>
    </devices>
  </domain>
  <active>1</active>
</domainsnapshot>