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Date: Sat, 13 Nov 2004 16:16:34 +0100
From: Ruben de Groot <mail25@bzerk.org>
To: "Jay O'Brien" <jayobrien@att.net>
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cc: FreeBSD - questions <questions@freebsd.org>
Subject: Re: Help with boot0
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On Fri, Nov 12, 2004 at 06:59:56PM -0800, Jay O'Brien typed:
> I have two identical hard drives on the same IDE controller;
> The file systems are identical. I can move the "Master" jumper 
> from one HD to the other and the computer will boot on the 
> HD with the jumper. It becomes ad0 and the other HD is ad1. 
> 
> I have installed boot0cfg on both drives with the -B option. 
> 
> Booting with either drive gives me a F1 (FreeBSD) option and a 
> F5 (Disk1) option. F1 boots the drive set up with the hardware 
> jumper to be the IDE controller master. F5 gives another 
> selection, F1 (FreeBSD) and F5 (Disk2). F1 boots on the IDE 
> master, and F5 won't boot.

There's no need for boot0 on the second drive. Better put a default 
mbr on it like so:

boot0cfg -b /boot/mbr /dev/ad1

Ruben