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Re: Grub Failure when HDD descriptor changes

From: Molle Bestefich
Subject: Re: Grub Failure when HDD descriptor changes
Date: Tue, 22 Mar 2005 22:12:10 +0100

Yoshinori K. Okuji wrote:
> I am not in Japan. :p

Where then?  Slightly off-topic, humn...

> The reason why it works in 99.99% is very simple: Even if the device mapping
> is wrong, GRUB boots up correctly if it is installed into the same drive as
> stage2. This is because GRUB receives a drive number dynamically at boot
> time, if it is the same drive. And, the guessing process does a good job as
> long as the user does not change a BIOS setting and have usual devices (such
> as IDE disks).

Ok, fair 'nuff.
I'll have to go look at actual code before I say any more.

>> I have one machine where it's worked, and I've tried on at least 7.
> You are very unlucky... What kind of hardware have you ever used? Always HPT
> devices?

3 of them had HPT controllers.  2, perhaps 3 had a combination of SCSI
and IDE disks.
Can't remember what went wrong with the last one..

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