[CentOS] CentOS 5 Beta Dual Boot Problem

Peter Kjellstrom cap at nsc.liu.se
Thu Mar 15 19:35:46 UTC 2007


Seems the grub that centos-5 installed didn't quite manage to get your fc7t2 
boot option right, see details inline below.

On Thursday 15 March 2007, Styma, Robert E (Robert) wrote:
> To test CentOS 5, I loaded from DVD adding it to
> a system at home running Fedora Core 7 T2.
>
> Partition Layout is:
> /dev/hda1   -  / for the RH7T2 system
> /dev/hda2   -  /home
> /dev/hda3   -  swap
> /dev/hda4   -  extended
>    /dev/hda5 - / for CentOS 5
...
> The CentOS grub.conf on /dev/hda5 looks like:
...
> title FC7T2
> 	rootnoverify (hd0,0)
> 	chainloader +1

This piece of grub config is not right for your FC7T2 install. It assumes that 
there is a 2nd boot-loader living on /dev/hda1 (hd0,0 in grub speak). Change 
it to something more like (you'll have to find the exact names and paths 
yourself):

 title FC7T2
	root (hd0,0)
	kernel /boot/vmlinux...fc7 ro root= ...
	initrd /boot/initrd-...img

good luck,
 Peter
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