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[Xen-users] Re: [Xen-devel] HOWTO use Virtual Hard Disk - VHD with Xen d

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Subject: [Xen-users] Re: [Xen-devel] HOWTO use Virtual Hard Disk - VHD with Xen domUs?
From: Thiago Camargo Martins Cordeiro <thiagocmartinsc@xxxxxxxxx>
Date: Fri, 7 Aug 2009 00:59:29 -0300
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Xen List <xen-users@xxxxxxxxxxxxxxxxxxx>
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Really nice!

 As the VHD format seems to be the default for Hyper-V and it is open source, is good to now that this is working smoothly.
 I'll try it!



2009/8/6 Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
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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