Stefano Stabellini wrote:
On Fri, 20 Jun 2014, Jim Fehlig wrote:
> The libxl driver currently sets the disk backend to
> LIBXL_DISK_BACKEND_TAP when <driver name='file'> is specified
> in the <disk> config. qdisk should be prefered with this
> configuration, otherwise existing configuration such as the
> following, which worked with the old Xen driver, will not work
> with the libxl driver
>
> <disk type='file' device='cdrom'>
> <driver name='file'/>
> <source file='/path/to/some/iso'/>
> <target dev='hdc' bus='ide'/>
> <readonly/>
> </disk>
>
> In addition, tap performs poorly compared to qdisk.
>
> Signed-off-by: Jim Fehlig <jfehlig(a)suse.com>
>
Acked-by: Stefano Stabellini <stefano.stabellini(a)eu.citrix.com>
Thanks Stefano. This is a change that needed blessing from one of the
Xen tools devs IMO. I've pushed the patch.
Regards,
Jim