Re: [Xen-users] Using diskOnKey as additional disk - is it possible with default configuration?

["Ian Brown" <ianbrn@xxxxxxxxx>]

Mats,
 Thanks for your trial; following your mail I tried it with hda; it
is the same, it does not work -
"fdisk -l" does not show hda.

Regards,
Ian


On 4/2/07, Petersson, Mats <Mats.Petersson@xxxxxxx> wrote:
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ian Brown
> > Sent: 02 April 2007 10:57
> > To: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-users] Using diskOnKey as additional disk - is
> > it possible with default configuration?
> >
> > Hello,
> >  I try the following:
> > I have in the configDomU file the following:
> >
> > disk = [ 'tap:aio:/var/lib/xen/images/guest10/guest10File]
> >
> > which works OK; I can start domU by "xm create -c configDomU.
> >
> >
> > Now, my question is: can I add an additional USB DiskOnKey as a
> > physical device ?
> > What I tried is:
> > First I added mknod /dev/sda6 b 8 6 in domU.
> > Then I added to the configDomU file:
> > disk = [ 'tap:aio:/var/lib/xen/images/guest10/guest10File,xvda,w'
> > ,'phy:/dev/sdb,sda6,w' ]
> >
> > /dev/sdb is the device of teh USB DiskOnKey and **it is unmounted**.
> > and start domU.
> > "fdisk -l" does not show any new device. (I expected to see
> > /dev/sda6).
> >   (Of course that the /dev/xvda for guest10File exists)
> >
> > When I try to do the following:
> >
> >       disk = [
> > 'tap:aio:/var/lib/xen/images/guest10/guest10File,xvda,w'
> > ,'phy:/dev/sda7,sda6,w' ]
> >
> > where /dev/sda7 is an unmounted partition in dom0, than after
> > starting domU I am **able** to see with
> >
> > "fdisk -l " the /dev/sda6 device.
> >
> > Is it something to do with that it can't add additional disk
> > if it is a USB ?
> >
> > Regards,
> > Ian
> >
> I'm by no means an expert on this, but is it by any chance that you
> shouldn't use "sda" but rather "hda" for the export name? Bear in mind
> that the guest doesn't actually know (or cares) what PHYSICAL device it
> is talking to, but it has to hook onto it in some way, and I seem to
> remember something similar before. Worth a try, I should think.
>
> --
> Mats
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