[lug] grub.conf and BIOS drive specifications

[Lee Woodworth]

D. Stimits wrote:
> Sean Reifschneider wrote:
> 
>> On Sun, Oct 16, 2005 at 04:20:36PM -0600, D. Stimits wrote:
>>
>>> each drive is? If I could query it maybe I could figure out a 
>>> workable combination. I know there is a config option to assign a 
>>> given bios hex value (like 0x80) to be hd0 or hd1 or whatever...but I 
>>> don't know how to 
>>
>>
>>
>> I'd expect that the BIOS hex value would change when you change which 
>> drive
>> gets booted first.  Isn't that the whole point of changing the boot order
>> in the BIOS?
> 
> 
> Ahh, but that also means two different MBR's that can each point 
> anywhere. The trick is to find a scheme that lets me point at the same 
> /boot/. I could possibly use two /boot/'s, but it's unappealing. But I 
> suppose I could make two entries for each boot to point at the same 
> bootup partition, but only one would be valid and really work, naming 
> would always be correct for 1 entry and incorrect for the other...and 
> that assumes I'm able to point at the one /boot/. I think if I want to 
> do this I'm going to have to have independent /boot/ for each MBR, one 
> on scsi, one on ide. And thus also two copies of initrd, two copies of 
> kernels, so on. Which might not be a bad idea considering that one of 
> them can be used as a rescue system.
FWIW, my /boot has about 13MB used. 5 kernel versions, & grub. no initrds.

> 
> D. Stimits, stimits AT comcast DOT net
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