Xen devel - Aug 2010 - [xen-users] does libvirt support VHD disk tpye?

Hi,everyone

I am trying to use VHD disk format on guestVM. 

 

My environment is  fedora12+ xen-4.0.1-rc6 + xen-stable/2.6.32.15+libvirt-0.8.3

 

I success on booting VM in VHD disk correctly using "xm create VM.cfg"
and everything runs alright

 

Where disk = [ "tap2:vhd:/root/tapdisk/vhd-f12,hda,w"]   in VM.cfg

And "vhd-f12" is a VHD type image file created by  vhd-util.

 

However, when I trying to use virsh dumpxml  to dump guestVM''s xml
file, there''s no any disk information in the xml.

 

 

On the other hand, I also tried to add the following part into xml manually and
then use "virsh create VM.xml" to create guestVM

 

<disk type=''file'' device=''disk''>

      <driver name=''tap'' type=''vhd''/>

      <source file=''/root/tapdisk/vhd-f12''/>

      <target dev=''hda'' bus=''ide''/>

</disk>

 

but guestVM can be started without error but guestVM cannot get disk device
correctly.

 

If I replace driver name=''tap'' to ''tap2'',
libvirt raise error:

(xend.err ''Error creating domain: Block device type "tap2" is
invalid.'')

 

 

Is anyone has idea how can I enable vhd format using libvirt? 

 

Thank very much!

 

Ben

 

 

 

 


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