Re: [Xen-users] Re: booting LVM

[Michael Hrivnak <mjhns@xxxxxxxxxxx>]

Thanks, I got it working with an initrd as you said.  Mandriva supports 
initrd creation with "mkinitrd".  I pointed it at the xen0 kernel, set 
the lvm2 and no-raid-modules options, and voila!  It created a perfect 
initrd that did the job fine.
Thanks,
Michael

Matthew Palmer wrote:

> On Sat, Jan 07, 2006 at 06:13:08AM -0500, Michael Hrivnak wrote:
>  
>
> > I'm using Mandriva 2006 with the latest xen 3.0 binaries (not the 
> > Mandriva packages which gave me problems).  I'm not sure how to get xen 
> > to see my logical volumes at boot, and I have / and /home both on 
> > logical volumes.  There is a raid1 array as a physical device in a 
> > volume group, vg0.  That group contains logical volumes "root" and 
> > "home".  Creative names, I know.
> > I am thus far unsuccessful at getting this setup to boot.  The challenge 
> > is getting xen to see the logical volumes before it tries to mount the 
> > root partition.  How is this normally done?  Does this function belong 
> > in an initrd?
> >    
> It's an initrd thing.  You need to make an appropriate one with the Xen
> kernel's modules, and then add it as an extra "module" line to your Grub
> config.  No idea how to make an initrd on Mandriva, but I'm sure it'll be
> documented somewhere.  There is the (remote) possibility that Mandriva
> doesn't support LVM-on-root, but it's a trivial test -- if you can boot the
> system using the Mandriva-supplied kernel/initrd, then you can do it with
> Xen.
>
> - Matt
>
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