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Re: [Xen-devel] HOWTO use Virtual Hard Disk - VHD with Xen domUs?

To: Thiago Camargo Martins Cordeiro <thiagocmartinsc@xxxxxxxxx>
Subject: Re: [Xen-devel] HOWTO use Virtual Hard Disk - VHD with Xen domUs?
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Thu, 6 Aug 2009 11:32:45 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>
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On Thu, 6 Aug 2009, Thiago Camargo Martins Cordeiro wrote:
> Hi guys!
>  I want to use the Virtual Hard Disk format, I mean, I want a 40G base image 
> and 10 Windows servers on top of this image,
> using the differential feature for save space on my storage... how to do that?
>  What version of open source Xen supports VHD file format?
>  Have Citrix XenServer 5.5 (Free) support for it?

Using blktap2 is possible to use vhd files, you just need to use the
tap:aio:vhd prefix in the config file, for example:

disk = [ 'tap:aio:vhd:/root/images/winxp.vhd,hda,w' ]
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