Re: [Xen-users] Arch linux PV guest won't boot

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Wed, 2014-10-15 at 21:12 +0800, H C wrote:
> Ok, now that I'm looking at this here, i'm guessing you are going to say
> either pygrub doesn't work with lvm or at the least has no idea how to find
> the arch-root vg which contains  /boot/grub/grub.cfg.  I tired to google to 
> see
> how pygrub would be do that but didn't turn up anything.

Right AFAIK pygrub knows nothing about LVM.

I was also wondering about the use of GPT, but looking at the code that
should be ok.

> If what I suspect is correct, could you give me a pointer on how I
> would properly
> setup  /boot/grub/grub.cfg so it is reachable by pygrub?

I think a separate /boot which isn't on LVM is the only way to make this
work with pygrub.

If you are looking for something which works from LVM then I suspect
that pvgrub (nb "v" not "y", confusing!). In particular the upstream
grub2 port to run on pv Xen I think should be able to boot from LVM
(assuming I'm right that grub2 supports LVM in general, I think it
does).

Ian.



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