LMV2 boot from another Volume Group?

[Mikkel L. Ellertson]

Tony Nelson wrote:
> I have two hard drives I want to boot from, each with its own LVM2 
> Volume Group.  I can boot from the one on the same drive as Grub, but 
> not from the other one.  Apparantly, only Logical Volumes from the boot 
> drive's Volume Group are detected before / is mounted (something about 
> "activation", perhaps?).  Googling only shows how to detect Volume 
> Groups and activate Logical Volumes after / is mounted.  I can't find 
> any kernel LVM parameters that would affect this (and I'd need the LVM 
> stuff built-in to the kernel, not as a module).
> 
> Can Linux use a Volume Group that isn't on Grub's boot volume?
> 
> Must I add a boot partition on the second disk and chainload to it?
> 
What do you mean by boot from each drive? Are you talking about
selecting what drive to boot from in the BIOS, or selecting what
drive is / by setting the root=<something> in /boot/grub.conf?

Second question - do the two VGs have different names?

Mikkel
-- 

  Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!

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