Re: [Xen-users] domu under sles10

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Janko Harej wrote:
> Hi,
>
> 2007/4/12, Petersson, Mats <Mats.Petersson@xxxxxxx>:
> > > Subject: [Xen-users] domu under sles10
> > >
> > > Hi,
> > >
> > > I'm trying to build non sles10 domU under sles10 dom0. I've downloaded
> > > centos and debian images from www.jailtime.org fixed the config file
> > > and try to start domU.
> > >
> > > After creating domU from images I get
> > >
> > > Kernel panic - not syncing: VFS: Unable to mount root fs on
> > > unknown-block(0,0)
> > >
> > > I'm running without problems two sles10 domU machines.
> > >
> > > After using google allot :-) I found something about creating initrd -
> > > how do I do that for debian or centos?
> >
> > It doesn't make any difference whether you use debian, centos or some
> > other OS. You need to create the initrd in the host-machine, using the
> > xen-kernel that you've got there. So, if you're using sles, it should be
> > something like this:
> >
> > mkinitrd somewhere/initrd-$ver-xenU $ver-xen --with=blkfront
> > [$ver would be something like 2.6.16.33, matching the version of your
> > xenified linux kernel].
> >
> > The location of "somwhere" could be /boot, but doesn't have to be.
> does this mean, that I only have one initrd on my host (dom0) for all
> my guest systems(domU)?
No, you have one initrd for each different guest kernel you've 
installed. You can run guests with different kernels, but their initrd 
and vmlinuz needs to be present on the Dom0. Their */lib/modules* need 
to be on the guest domains.
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