Re: [ squeeze ] Grub2 RAID1 LVM2 boot failure

[Stan Hoeppner <stan@hardwarefreak.com>]

d.sastre.medina@gmail.com put forth on 5/30/2010 4:45 PM:
> On Sun, May 30, 2010 at 02:24:41PM -0500, Stan Hoeppner wrote:
>> What happens when you use LILO instead of Grub?
> 
> I haven't tried that yet. 
> 
> First thing would be to know if the bootloader is to blame for not
> having a bootable system. As of now, it would be some timming issues
> related to initramfs-tools' scripts (wild guess).
> 
> Then, I'd need to know if LILO supports the configuration described
> before, i.e., md0 contains /boot and md1 contains LVs, one of them
> being /dev/mapper/root_vg-root_lv.
> 
> After that, I'd need to test the proper way to install/uninstall
> software from an unbootable machine. I guess d-i allows installing
> LILO on top of grub.
> The purpose is either reinstalling grub-pc, downgrading to grub-legacy, 
> or installing LILO.
> Other option would be using rescueCD, chroot into my system and install 
> from there. Suggestions are welcome.
> 
> But first I'll need to refresh my LILO skills. It's been a while :)

This is very old, but I think the basic information is still valid.  BIOS has
changed considerably in the past 10 years, and I'd assume is smarter across
the sea of manufacturers.  This should be taken into account regarding the
enumeration of drives and the BIOS boot behavior.

http://www.faqs.org/docs/Linux-mini/Boot+Root+Raid+LILO.html#ss3.1

-- 
Stan