[CentOS] sda of CentOS 4 and hda Windows dual boot possible?

Fri Jul 29 19:30:48 UTC 2005
Phil Schaffner <Philip.R.Schaffner at nasa.gov>

On Fri, 2005-07-29 at 15:17 -0400, Jim Perrin wrote:
> > 
> > Now if you want to be able to choose both without going into
> > the BIOS, you're going to have to setup GRUB to map
> > (/boot/grub/device.map):
> >   (hd0) /dev/hda
> >   (hd0) /dev/sda

Something is a bit strange here.  Can't have but one (hd0).  Should
presumably be:
   (hd1) /dev/sda

I've run into trouble in the past if grub's device.map differed from the
BIOS boot order on IDE/SCSI machines.

> > 
> You don't have to mess with grub's device map. You can do it all from
> the windows section in the config
> 
> title Windows
>         map (hd0) (hd1)
>         map (hd1) (hd0)
>         rootnoverify (hd0,0)
>         makeactive
>         chainloader +1
> 
> At least that's how I've got it set up in the office. If there's some
> arcane reason for this to be a bad thing, I'm all ears.

That approach works for me also. [Although I still consider using dual-
boot with Windoze to be evil. :-) VMware is a mitigation. ]

Phil