GRUB with IDE and SCSI disk

[akonstam at trinity.edu]

On Wed, Mar 22, 2006 at 11:29:59PM -0500, Matthew Saltzman wrote:
> One of my systems has an IDE disk and a SCSI disk.  I upgraded the IDE 
> disk and I need to reinstall grub.  /boot is in /dev/sda1, but the system 
> boots off of /dev/hda.
> 
> I've tried various things to install GRUB on the new /dev/hda, but 
> everything results in a complaint during boot that
> 
> Error 21: Selected disk does not exist.
> 
> For example, in GRUB shell, I installed using:
> 
> 	> root (hd1,0)
> 	> setup (hd0)
> 
> The installation seems to work fine, but boot fails as above. I had this 
> working before, but for my life I can't recall how I did it differently 
> from this.
> 
> What am I missing?
> 
> Thanks.
> 
In general by default the scsi disks are considered hd0. Did you try
to change that in the device.map file in /boot/grub directory.
-- 

-------------------------------------------
Aaron Konstam
Computer Science
Trinity University
telephone: (210)-999-7484