libvirt/tests/qemuxml2argvdata/disk-mirror.xml

<domain type='qemu' id='1'>
  <name>QEMUGuest1</name>
  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
  <memory unit='KiB'>219136</memory>
  <currentMemory unit='KiB'>219136</currentMemory>
  <vcpu placement='static'>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-system-i686</emulator>
    <disk type='block' device='disk'>
      <source dev='/dev/HostVG/QEMUGuest1'/>
      <backingStore/>
      <mirror type='block' job='copy' ready='yes'>
        <source dev='/dev/HostVG/QEMUGuest1Copy'/>
      </mirror>
      <target dev='hda' bus='ide'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <disk type='block' device='cdrom'>
      <source dev='/dev/HostVG/QEMUGuest2'/>
      <backingStore/>
      <target dev='hdc' bus='ide'/>
      <readonly/>
      <address type='drive' controller='0' bus='1' target='0' unit='0'/>
    </disk>
    <disk type='file' device='disk'>
      <source file='/tmp/data.img'/>
      <backingStore/>
      <mirror type='file' file='/tmp/copy.img' format='qcow2' job='copy'>
        <format type='qcow2'/>
        <source file='/tmp/copy.img'/>
      </mirror>
      <target dev='vda' bus='virtio'/>
    </disk>
    <disk type='file' device='disk'>
      <source file='/tmp/logs.img'/>
      <backingStore/>
      <mirror type='file' file='/tmp/logcopy.img' format='qcow2' job='copy' ready='abort'>
        <format type='qcow2'/>
        <source file='/tmp/logcopy.img'/>
      </mirror>
      <target dev='vdb' bus='virtio'/>
    </disk>
    <controller type='usb' index='0'/>
    <controller type='ide' index='0'/>
    <controller type='pci' index='0' model='pci-root'/>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <memballoon model='virtio'/>
  </devices>
</domain>