Re: Grub with2 disks. How to install on the 2 disks?

Jean Maupertuis wrote:

I have 2 disks one IDE with Windows XP one SATA (not raid) with Fedora core3.
Grub is installed on the mbr of the IDE disk (windows XP).
The problem is that i want to use grub to boot fedora even if the IDE disk become unavailable.
How to do that? With a grub on the mbr of the Sata drive but with what in the grub.conf?
With a diskette but one more times with what in the grub.conf?
Here my actual grub.conf
default=0
timeout=5
splashimage=(hd1,0)/boot/grub/splash.xpm.gz
hiddenmenu
title Fedora Core (2.6.9-1.667)
root (hd1,0)
kernel /boot/vmlinuz-2.6.9-1.667 ro root=LABEL=/1 rhgb quiet
initrd /boot/initrd-2.6.9-1.667.img
title Windows XP
rootnoverify (hd0,0)
chainloader +1

Thanks in advance.

I'm not 100% sure, so this might make your system unbootable. Check info pages for Grub (type "info grub" on command line), and understand what this commands will actually do. You need somethine like this (two install commands):

# grub

install --stage2=/boot/grub/stage2 (hd1,0)/boot/grub/stage1 (hd0) \
        (hd1,0)/boot/grub/stage2 p (hd1,0)/boot/grub/grub.conf

install --stage2=/boot/grub/stage2 (hd1,0)/boot/grub/stage1 (hd1) \
        (hd1,0)/boot/grub/stage2 p (hd1,0)/boot/grub/grub.conf

I'm not 100% sure if you can use "\" for line continuation. My advice, don't experiment, type each install line as single line (in which case, you'd ommit "\" character).

The first install command would install Grub into MBR of first drive (you can probably skip it, since you already have it). Second line would do the same thing for second disk.

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