Re: [Xen-users] Xen 3.1 DVD writer usage

[afoo <afoo42@xxxxxxxxx>]

Hey,

On Feb 7, 2008 7:33 PM, Sadique Puthen <sputhenp@xxxxxxxxxx> wrote:
> afoo wrote:
> > On Feb 7, 2008 6:52 PM, Sadique Puthen <sputhenp@xxxxxxxxxx> wrote:
> >> afoo wrote:
> >>> I have a problem trying to get my DVD-RAM writer to work for a particular 
> >>> domU
> >>> on my Xen 3.1 system. The domU boots fine, xend.log shows createDevice and
> >>> DevController entries for the device and xm list --long shows the device, 
> >>> too,
> >>> yet I can not access the device from inside the domU. When I try to
> >>> mount it, the
> >>> following happens:
> >>>
> >>> mount: /dev/hdc is not a valid block device
> >>>
> >>> or a variation thereof, see below.
> >>>
> >>> I tried several things in the domu.cfg file's disk stanza:
> >>>
> >>> 'phy:/dev/hda:hda:cdrom,w',
> >>> 'phy:hda:sdb,w'
> >>>
> >>> and I think every combination thereof (like 'phy:/dev/hda:sdb:cdrom,w'
> >>>
> >>>
> >> Fully virt or paravirt? If fully virt try 'phy:/dev/hda,hdb:cdrom,w'
> >>
> >
> > Paravirt. I tried this combination (again) anyway, to no avail.
> >
>
> Then try 'phy:/dev/hda,xvdb:cdrom,w' and mount /dev/xvdb in the guest.

Same thing:

dom0:~# grep cdrom /etc/xen/domu.cfg
            'phy:/dev/hda,xvdb:cdrom,w']

domu:~# mknod /dev/xvdb b 202 32
domu:~# mount -t iso9660 /dev/vxdb /
domu: special device /dev/vxdb does not exist
domu:~# ls /sys/block
ram0  ram1  ram10  ram11  ram12  ram13  ram14  ram15  ram2  ram3
ram4    ram5  ram6  ram7  ram8  ram9  sda1  sda2  sda3


Cheers,

Jan

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