diff --git a/docs/linux/kvm/vm71.md b/docs/linux/kvm/vm71.md
index 328b39a..6e35c0d 100644
--- a/docs/linux/kvm/vm71.md
+++ b/docs/linux/kvm/vm71.md
@@ -43,18 +43,29 @@ File `/etc/libvirt/qemu/vm71.xml`
   </pm>
   <devices>
     <emulator>/usr/bin/qemu-kvm</emulator>
+    <disk type="block" device="disk">
+      <driver name="qemu" type="raw" cache="none"/>
+      <source dev="/dev/fdr/vm71"/>
+      <target dev="sdb" bus="scsi"/>
+      <address type="drive" controller="0" bus="0" target="1" unit="0"/>
+    </disk>
+    <!--
     <disk type="file" device="disk">
       <driver name="qemu" type="raw" cache="none"/>
       <source file="/mnt/dmp/3/sda.img"/>
       <target dev="sda" bus="scsi"/>
       <address type="drive" controller="0" bus="0" target="0" unit="0"/>
     </disk>
-    <disk type="block" device="disk">
-      <driver name="qemu" type="raw" cache="none"/>
-      <source dev="/dev/sdc"/>
-      <target dev="sdb" bus="scsi"/>
-      <address type="drive" controller="0" bus="0" target="1" unit="0"/>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2' />
+      <source file='/mnt/data/domain.qcow2' comment='Create: qemu-img create -F raw -f qcow2 -o backing_file=/dev/fdr/vm71 /mnt/data/domain.qcow2'/>
+      <backingStore type='block'>
+        <format type='raw'/>
+        <source dev='/dev/fdr/vm71'/>
+      </backingStore>
+      <target dev='sda' bus='scsi'/>
     </disk>
+    -->
     <disk type="file" device="cdrom">
       <driver name="qemu" type="raw"/>
       <source file="/mnt/data/systemrescue-11.00-amd64.iso"/>