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

[<ben_ian@xxxxxxxxxxxx>]

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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