Re: [Xen-users] Multiple cdrom file-based drives in windows xp hvm?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Apr 08, 2010 at 12:57:55PM -0700, Brandon Lamb wrote:
> In my vm2 config i have:
> 
> disk = [
>     'phy:/dev/volumes/vm2-disk,hda,w',
>     'phy:/dev/volumes/vm2-swap,hdb,w',
>     'phy:/dev/volumes/vm2-data,hdc,w',
>     'file:/xen/images/office2007basic.iso,hdd,r',
>     'file:/xen/images/printshopinstall.iso,hde,r',
>     'file:/xen/images/printshopprog.iso,hdf,r',
> ]
> 
> However only one disk will show up. If I comment 2 out and pick any
> one, it will show up singly, but I cannot get these to all show up as
> 3 cdrom drives. Am I doing something wrong, or is xen somehow limited
> to a single cdrom drive or what?
> 
> Using xen 3.4 and 2.6.31.12 kernel
> 

I think HVM guests are limited to 4 emulated IDE devices.

You might want to use GPLPV drivers in Windows.. that should release some IDE 
devices.
(I'm not sure if GPLPV devices support cdroms).

-- Pasi


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