Hi Emre. Yes, you are correct that this is a PV guest. OK, so I can't get
there from here... Should a USB DVD writer work if I can get the USB ports
pushed into the DomU? Thanks!
Paul
On Thursday 14 February 2008 8:14:22 pm Emre ERENOGLU wrote:
> Hi Paul,
>
> Maybe I'm wrong, but from the config file you wrote, I assume that you're
> using a PV guest. As far as I remember, you can not assign a "Device" as a
> CDROM or CDRW in a PV DomU. although you can assign a mounted cd drive as a
> "block disk drive". This will mean that you can never use a CD/DVD writer
> in a PV domU.
>
> In a HVM DomU, you can show a CDROM with your syntax in config file
> hdc:cdrom, but I've never seen anywhere that a "writer" device is emulated.
> Always read-only cd/dvd rom drive.
>
> What you can do is to possibly use iSCSI and/or Ata over Ethernet to try to
> push your cd writer to a virtual domain. I've never tested it nor I now if
> is't technically possible.
>
> I would kindly ask other users to comment and correct me if there's
> anything wrong.
>
> Regards,
>
> Emre
>
> On Thu, Feb 14, 2008 at 10:48 PM, Paul Waldo <paul@xxxxxxxxxxxxx> wrote:
> > Hi all,
> >
> > I'm trying to use an IDE DVD Writer in my domU. Here is the disk line
> > from my
> > config file:
> >
> > disk =
> > [ 'phy:hydra/perseus-disk,xvda1,w', 'phy:hydra/perseus-swap,xvda2,w',
> > 'phy:/dev/dvd1,hdc:cdrom,w' ]
> >
> > I think it is connected, because I get this:
> > # xm block-list perseus -l
> > [...]
> > (5632
> > ((backend-id 0)
> > (virtual-device 5632)
> > (device-type cdrom)
> > (state 6)
> > (backend /local/domain/0/backend/vbd/12/5632)
> > (ring-ref 10)
> > (event-channel 8)
> > (protocol x86_64-abi)
> > )
> > )
> >
> > There seems to be no device for the writer, though:
> > root@perseus:~# ls -l /dev/xvd* /dev/hd*
> > ls: /dev/hd*: No such file or directory
> > brw-rw---- 1 root disk 202, 1 Feb 14 16:36 /dev/xvda1
> > brw-rw---- 1 root disk 202, 2 Feb 14 16:36 /dev/xvda2
> >
> >
> > I'm running Xen 3.1.0 on a Kubuntu Gutsy Dom0 (AMD64).
> >
> > Thanks in advance for any tips!
> >
> > Paul
> >
> > PS
> > In my searching for a solution to this, I found some folks saying that I
> > need
> > to have media in the writer when booting the domU. Please say it isn't
> > so!!!! (I did try it, but still no luck)
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
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