Alternative booting

David Krings ramons at gmx.net
Sat Aug 18 21:45:10 UTC 2007


Mikkel L. Ellertson wrote:
> David Krings wrote:
>>> If bios sees the drives as separate things, then that's how you have
>>> to install grub, since it has to call bios to load the kernel.  On a
>>> real hardware raid, bios will only see the array.
>> BIOS sees them as one drive. A working F7 sees them as two drives and as
>> one under the /mapper dir.
>> I could see this to be a BIOS problem if nothing loads, but GRUB does
>> load at least so far as that it gets to the grub> prompt. So it is not
>> that BIOS is confused. It is purely a GRUB issue.
>>
> It could be a grub configuration issue. It could be that it is using
> the wrong BIOS device number when it tries to load the files from
> the grub directory. It would be interesting to see the contents of
> /boot/grub/device.map and /boot/grub/grub.conf. It would be
> interesting if the BIOS mapped the PATA devices 80 through 83, and
> the SATA drives as 84 and 85. (I seam to remember some BIOS's that
> did something like that is the past.) I would think that would make
> the drive hd4 instead of hd0.
> 
> Mikkel
> 

Well possible, but for now I dumped the broken GRUB and made this box to 
  boot into XP only. I did not kill the F7 partition and may get back to 
it later. I just want to finally use my new system.

I leave it at that as there seems to be no way to get an answer to my 
original question. :(

David




More information about the fedora-list mailing list