[CentOS] Slightly OT: Debian and CentOS multiboot: menu.lst problem

Sun May 27 15:17:05 UTC 2007
Akemi Yagi <amyagi at gmail.com>

On 5/27/07, Niki Kovacs <contact at kikinovak.net> wrote:
> Hi,
>
> I want to slowly migrate from Debian to CentOS, so I setup a multiboot
> on my main machine. There's a Debian Etch install on /dev/hda, and GRUB
> is also installed on the Debian side.
>
> On /dev/hdb, I have CentOS 5. I fdisked the drive manually, then chose
> manual partitioning during install. The setup for CentOS is:
>
> hdb1 -> swap
> hdb2 -> /boot, ext2
> hdb3 -> /    , ext3
>
> After completing the install, I rebooted on the Debian side and edited
> menu.lst like this:
>
> <snip>
>
> title                   Debian GNU/Linux, kernel 2.6.18
> root                    (hd0,1)
> kernel                  /vmlinuz-2.6.18 root=/dev/hda3 vga=788 ro
> initrd                  /initrd.img-2.6.18
>
> title                   CentOS 5 sur hdb3
> root                    (hd1,1)
> kernel                  /vmlinuz-2.6.18-8.el5 root=/dev/hdb3 ro
> initrd                  /initrd-2.6.18-8.el5
>
> Now when I try to reboot on CentOS, I get an 'Error 15: file not found'.
> I add that I've done many multiboot configurations before, so it's not
> the first time I have such a scenario. I thought, aha, maybe a typo. So
> I entered the GRUB shell and booted CentOS without problems, using tab
> completion.
>
> I double- and triple-checked after this, but I can't seem to find the
> error. The stanza seems OK, but still it won't work.
>
> Do you see a mistake that I don't see?
>
> Niki Kovacs

What is the /etc/fstab line for /dev/hdb3 like?

Akemi