GRUB to boot other disks

[David Timms]

Hadders wrote:
> Hi all,
>  I'm just wondering if I can use Grub to boot another disk.
> 
> I've got my primary boot drive as a RAID container. After install I've 
> plugged back in /dev/hda and /dev/hdb (paranoid in case something went 
> wrong) and now I'd like to have Grub which was installed onto the MBR of 
> the container boot /dev/hda partition (0), which is Windows XP.
> 
> I thought I could just go
> rootnoverify(hd1,0)
> chainloader +1
I tink (their4 I am :) that hd1 is second disk, but to tell for sure:
rootnoverify (hd0,0)/ {tab to show possible completions}
You should see files that you expect to find {for ext3 etc}.

There is also a command to swap two drives, that helps people trying to 
boot sooky win os's.

DaveT.