[plug] Grub and RAID-1

[Russ Pitman]

Brad Campbell wrote:
> G'day all,
> 
> Calling all GRUB guru's....
> 
> Setting up a box here with mirrored 120GB drives. I used to do this with 
> lilo, and it was clever enough to sort it all out pretty automaticly.
> 
> I found a howto somewhere on the net and followed it, but when I unplug 
> hda and fire it up, I just get a grub error message telling me it's 
> misconfigured.
> 
> My /boot/grub/menu.conf	
> 
> default         2
> fallback        3
> 
> timeout         2
> 
> color cyan/blue white/blue
> 
> title           Debian GNU/Linux, kernel 2.4.18-bf2.4
> root            (hd0,0)
> kernel          /boot/vmlinuz-2.4.18-bf2.4 root=/dev/hda1 ro
> savedefault
> 
> title           Debian GNU/Linux, kernel 2.4.18-bf2.4 (recovery mode)
> root            (hd0,0)
> kernel          /boot/vmlinuz-2.4.18-bf2.4 root=/dev/hda1 ro single
> savedefault
> 
> title           2.4.22 (hda)
> kernel (hd0,0)/usr/src/linux/arch/i386/boot/bzImage root=/dev/md0
> 
> title           2.4.22 (hdc)
> Kernel (hd1,0)/usr/src/linux/arch/i386/boot/bzImage root=/dev/md0
> 
> My /boot/grub/device.map
> 
> (fd0)   /dev/fd0
> (hd0)   /dev/hda
> (hd1)   /dev/hdc
> 
> I set grub up with a grub-install, then ran grub
> 
> grub> root (hd0,0)
> grub> setup (hd0)
> grub> root (hd1,0)
> grub> setup (hd1)
> 
> as per the howto, and it boot's fine off hda, but when hda is unplugged, 
> I can't get it to boot off hdc. The bios will do it, but I have 
> misconfigured grub somewhere.
> 
> Any suggestions?
> Cheers,
> Brad
> 
Know nothing about Raid,Normally (hd0)= /dev/hda
				 (hd1)= /dev/hdb
				 (hd2)= /dev/hdc
Perhaps I'm confused :-)	
-- 
Cheers
Russ.