Re: [Xen-users] Root fs on LVM on software RAID1?

[Marcin Owsiany <marcin@xxxxxxxxxx>]

On Wed, Feb 22, 2006 at 01:58:32PM +0000, Patrick Caulfield wrote:
> Marcin Owsiany wrote:
> > On Wed, Feb 22, 2006 at 01:08:49PM +0000, Mark Turner wrote:
> >> On 22 Feb 2006, at 12:20, Marcin Owsiany wrote:
> >>> If not, then how did you manage to boot the currently running system?
> >> The currently running system was booted using the 2.6.8-2-386 kernel  
> >> supplied with Debian 3.1r1a.
> >>
> >> That kernel appears to have LVM support compiled in rather than as a  
> >> module:
> >>
> >>    dom0a:~# find /lib/modules/ -print|grep -i lvm
> >>    dom0a:~#
> >>
> >>> Try sticking "set -x" into mkinitrd to see when it's failing.
> >> With "set -x":
> >>
> >>    dom0a:~# mkinitrd -o /boot/initrd.img-xen-2.6.12.6-xen0 2.6.12.6-xen0
> >>    [Lots of lines cut]
> >>    + module_exists drivers/md/lvm-mod
> >>    ++ find /lib/modules/2.6.12.6-xen0/kernel/drivers -name lvm-mod.ko
> >>    + '[' -n '' ']'
> > 
> > Ah, so it looks for lvm-mod for the target (2.6.12.6-xen0) kernel, and
> > it's not there. Are you using Ralph Passgang's xen packages? Those
> > somehow work for me with MD+LVM root, even though the module is not
> > there (apparently compiled in as well).
> > 
> 
> There's no such thing as lvm-mod for a 2.6 kernel. LVM2 on 2.6 uses device
> mapper, the module name is dm-mod.ko

Mark, maybe you could have a look at mkinitrd's code (BTW which version
are you using?) and find out why is it looking for the "old" lvm module?

Marcin
-- 
Marcin Owsiany <marcin@xxxxxxxxxx>              http://marcin.owsiany.pl/
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