Re: [Xen-devel]xl create PV guest with qcow/qcow2 disk images fail

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2011-10-14 at 09:25 +0100, Chun Yan Liu wrote:
> Hi, List,
> 
> I'm trying xl create a pv guest with qcow/qcow2 image, it always fails
> at libxl_device_disk_local_attach. 
> #xl create pv_config_file
> libxl: error: libxl.c:1119:libxl_device_disk_local_attach: cannot
> locally attach a qdisk image if the format is not raw
> libxl: error: libxl_create.c:467:do_domain_create: failed to run
> bootloader: -3

Unfortunately non-raw disks are currently incompatible with using pygrub
in xl.

I expect that the correct solution would be to patch
libxl_device_disk_local_attach() to start qemu-nbd and make that device
available in the local domain.

Ian.

> 
> disk configuration is:
> disk=[ 'tap:qcow2:/var/lib/xen/images/sles11pv/disk0.qcow2,xvda,w', ]
> 
> Is there any way to make it work?
> 
> Thanks,
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
> 
> 
> 



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