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Re: Grub drive assignments

David Niemi wrote:

How do the drive assignments work in Grub?

I have 4 hard drives in a computer:
hda - ntfs data disk
hdb - ntfs data disk
sda - FC3, Grub, used LVM default installation with SELinux
sdb - ntfs, WinXP

During the install initially grub was going to be installed to hda which
I didn't want so I unplugged the 2 drives and installed with the 2 SATA
active.  Because of this sda is hd0 in Grub and sdb is hd1.  Once I
plugged the other 2 drives back in Grub wouldn't boot to WinXP.

At the moment I change the boot priority to sdb in the bios to boot to
WinXP. This is the pertinent sections of my grub.conf:
title Fedora Core (2.6.9-1.667)
root (hd0,0)
kernel /vmlinuz-2.6.9-1.667 ro root=/dev/VolGroup00/LogVol00
rhgb quiet
initrd /initrd-2.6.9-1.667.img
title Other
rootnoverify (hd1,0)
chainloader +1
I tried some Google searches, man grub, and fought with info grub to no

How do I change the drive assignments to get Grub to point to the right
drive to boot WinXP also?

If you have access to the /boot/grub/device.map file, take a look at that, editit and run grun-install /dev/(boot device).

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