Alternative booting
Karl Larsen
k5di at zianet.com
Sat Aug 18 20:10:11 UTC 2007
Les Mikesell wrote:
> David Krings wrote:
>
>> OK, two things: I did not change any BIOS mapping or drive or boot
>> sequence. I install F7, GRUB installs fine, GRUB boots fine, I
>> install updates => GRUB is broken beyond repair.
>
> How is it failing? It may be that your update kernel is just in
> a location your bios can't load. This used to be common in old bios
> versions that couldn't go past 1024 cylinders and is probably possible
> again with more exotic drive configurations.
>
>> I did remove drives in order to get F7 to install at all and yes, I
>> added those drives on later, BUT even after doing that GRUB booted
>> fine. It is just that after updating the system the whole shebang
>> comes apart for no good reason. GRUB just ought to continue booting
>> from the same drive and same partition it booted from before...and it
>> just doesn't do that.
>>
>> Also, I do not have plain simple IDE drives, but a RAID array on the
>> nVidia SATA controller that I want to use to boot from. In that case,
>> when I specify a hdx device it will write the boot loader to only one
>> of the drives of the mirror array, which doesn't do any good.
>
> 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.
>
Les you have bios on the brain. My 1994 bios works fine with 2007
hard drives. You are trying to protect the grub people I think. It isn't
grub but it could be a kernel problem. I might boot to my old kernel and
see....
--
Karl F. Larsen, AKA K5DI
Linux User
#450462 http://counter.li.org.
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