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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