Re: [Qemu-devel] [Bug 893956] Re: qemu-img bug with dynamic vhd

[Stefan Hajnoczi]

On Mon, Sep 3, 2012 at 10:41 AM, franxico <address@hidden> wrote:
> Hi,
>
> I'm having the same problem. I'm using qemu-img 1.0, running from a
> Ubuntu Server 12.04 x64 on a SW RAID, ext4.
>
> The .VHD has 29GB and was made using disk2vhd.
>
> Here is the command and the results:
> sudo kvm-img convert -f vpc -O raw image.VHD image.img
> [sudo] password for sysop:
> kvm-img: Could not open 'image.VHD': File too large
> kvm-img: Could not open 'image.VHD'
>
> Same error doing a simple qemu-img info image.vhd

Serge Hallyn introduced the size check when VHD files are opened, you
can read about the background here:
http://patchwork.ozlabs.org/patch/106736/

I'm not sure if QEMU has a bug or lacks support for the file format
version used by disk2vhd.

>
> Thanks for your help
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/893956
>
> Title:
>   qemu-img bug with dynamic vhd
>
> Status in QEMU:
>   New
>
> Bug description:
>   Hye, i found a problem with qemu-img when trying to get info of a
>   dynamic vhd. I made imgae of my 60GB computer hard drive with
>   disk2vhd. The dynamic vhd is 21gb size.
>
>   With 1.0-rc3 version :
>   running command: qemu-img info 60_GB.VHD
>   qemu-img:  Could not open '60_GB.VHD' : File too large
>
>   0.14.1 version give me wrong information :
>   image: 60_GB.VHD
>   file format: vpc
>   virtual size: 127G (136899993600 bytes)
>   disk size: 21G
>
>   Thanks for reply.
>
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>