I already knew about these problems and had used LILO with the original
7.2 install. Neither system had any MD devices, just regular fs
partitions. I wanted to see if during the upgrade from 7.2 to 7.3 I
could successfully switch from LILO to GRUB, knowing that there were not
any MD, and one of the systems had only 1 disk.
My answer: switching from LILO to GRUB during the upgrade from 7.2 to
7.3 did not work for me.
Should anyone run into this problem, the solution is simple: Boot off
the SGI installer CD, then chroot /mnt/sysimage, edit /etc/lilo.conf,
run lilo (then I like to "sync" just to be sure) then reboot.
I also did a fresh install of 7.3 on a laptop and tried to install GRUB
(no MD devices here either), and that process complained that a file was
missing and dropped out to the grub> prompt and the install process
failed. I redid the install with LILO and it worked fine.
On Mon, 2002-06-10 at 02:08, Simon Matter wrote:
> "Jonathan F. Dill" schrieb:
> >
> > I tried switching from LILO to GRUB on 2 upgrades from RH 7.2 to RH 7.3
> > and it didn't work for me.
>
> I don't know how it is with 7.3 but with 7.2, using GRUB could be a bad
> idea. GRUB does not install correctly if you're using software raid. RH
> has added 'special code' to anaconda to install GRUB on MD anyway. If
> you try it later 'by hand' you'll fail. The other problem is that even
> with the RedHat trick, GRUB is only installed in the MBR on the first
> disk. If this one fails, you can not boot from the second like you can
> when using LILO
--
Jonathan F. Dill <dill@xxxxxxxxxxxx>
UMBI CARB
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