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Date: Mon, 18 Apr 2011 12:12:56 +0100
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From: Stefan Hajnoczi <stefanha@gmail.com>
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Subject: Re: [Qemu-devel] Enhancing qemu-img convert format compatibility
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To: "Richard W.M. Jones" <rjones@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, mdbooth@redhat.com, qemu-devel <qemu-devel@nongnu.org>, kvm <kvm@vger.kernel.org>

On Mon, Apr 18, 2011 at 12:03 PM, Richard W.M. Jones <rjones@redhat.com> wr=
ote:
> On Mon, Apr 18, 2011 at 11:18:42AM +0100, Stefan Hajnoczi wrote:
>> qemu-img is a pretty good Rosetta stone for image formats but it is
>> missing support some format versions. =A0In order to bring qemu-img
>> up-to-date with the latest disk image formats we will need to find
>> specific image files and/or software versions that produce image files
>> that qemu-img cannot understand today.
>>
>> If you have image files that qemu-img is unable to manipulate, please
>> respond with details of the software and version used to produce the
>> image. =A0If possible please include a link to a small example image
>> file.
>
> Stefan,
>
> We found that using the vSphere 4.x "Export to OVF" option would
> produce a VMDK file that qemu-img could not convert to raw.

Excellent, thanks for sharing this.  I hope we can build a picture of
where there is missing support and address this in the "Improved Image
Format Compatiblity" project for Google Summer of Code:
http://wiki.qemu.org/Google_Summer_of_Code_2011#Improved_image_format_compa=
tibility

Stefan