You can interchange /dev/hda to /dev/hdb and viceversa, then you can
have grub in hda and windows in hdb. Be carefully in your /etc/fstab
that your device name must be label=(something) instead of /dev/hdbx.
If youn can't setup your BIOS in order to boot from /dev/hdb this is a
good idea, but, be carefully with booting Windows, becuse the boot
disk (from Windows point of view) is a C: driver (actualy /dev/hda
after you change disks) You probably need to remap disk in grub
configuration before you boot Windows in order to convert hdb in C:\.
I have this configuration in my grub.conf
title Windows XP
map (hd1) (hd0)
map (hd0) (hd1)
rootnoverify (hd1,0)
chainloader +1
Regards
Daniel
On Tue, 6 Jul 2004 13:17:03 -0400 (EDT), Matthew Saltzman
<mjs@xxxxxxxxxxxxxxx> wrote:
> On Tue, 6 Jul 2004, John Minson wrote:
>
> > Let me restate the question. The /boot dir on hd1 has all of the
> > stages,kernel,grub conf files but hd1 has no 'mbr/boot block ...' .
> > Currently the bios says to boot from hd0 . I want to change the bios
> > setting to boot from hd1 but hd1 is not currently 'bootable' . How do I
> > make hd1 'bootable' from a bios standpoint without running grub-install
> > .
>
> There are lots of things one can do with grub, but in the end, grub must
> be installed in the MBR or the active partition's boot record on the disk
> the BIOS wants to boot from. In addition, it takes some special hacking
> to make grub find its components and config file if they are not also on
> that drive.
>
> Within grub.conf, it is possible to specify that the drives be re-mapped
> so that they appear to the BIOS as reversed, which you may want to do if
> you have Windows on your second drive. Details at
> http://www.linuxgazette.com/issue64/kohli.html.
>
>
> > John Minson
> > Senior J.O.A.T.M.O.N
> > Scientific Research Corporation
> > 3860 Faber Place Drive
> > Suite 100
> > North Charleston,SC,29405
> >
> > jminson@xxxxxxxxxx
> > (843) 740-3336 (office)
> >
> > >>> akabi@xxxxxxxxxxxxx 07/06/04 10:32AM >>>
> > On Jul 6, 2004 at 09:54, John Minson in a soothing rage wrote:
> >
> > >My system has 2 drives. hd0 has win98, hd1 FC2. Currently I boot off of
> > >hd0 (mbr installed by FC2 installl process) .
> > >Is there a way to install the mbr onto hd1 without running install-grub ?
> > Sure, use grub-install instead (-:. But seriously, if you do
> > not like grub, you will have to use another boot loader. lilo
> > and boot magic come to mind. If you do like grub, I suggest
> > installing it on hd1.
> >
> > N.Emile...
> >
>
> --
> Matthew Saltzman
>
> Clemson University Math Sciences
> mjs AT clemson DOT edu
> http://www.math.clemson.edu/~mjs
>
>
>
>
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