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Re: [Qemu-devel] [qemu-img] support for XVA

From: Richard W.M. Jones
Subject: Re: [Qemu-devel] [qemu-img] support for XVA
Date: Wed, 15 Nov 2017 19:43:47 +0000
User-agent: Mutt/1.5.20 (2009-12-10)

On Wed, Nov 15, 2017 at 04:52:56PM +0100, Gandalf Corvotempesta wrote:
> I'm thinking if support for XVA files could be added to qemu-img
> The file-format is well known (it's just a tar archive) and there are scripts
> that are able to convert an XVA file to a RAW image. (ie:
> https://gist.github.com/miebach/0433947bcf053de23159)
> Running these script on their own is very time consuming, as you have to
> extract the XVA, convert any disk image from "single chunks" to a raw image
> and then use qemu-img to convert from raw to qcow.
> Maybe a native support will be able to skip some steps. (like the
> conversion from
> "single chunks" to raw and raw to qcow2)

Why not use the offset/size support in the raw driver?

We use that to access files inside OVA files (also a tar file with a
funny extension) in virt-v2v:



Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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