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From: J Wunsch <j@uriah.heep.sax.de>
Message-Id: <199512132153.WAA23296@uriah.heep.sax.de>
Subject: Re: Wiring down scsi id's
To: tony@rtd.com (Tony Jones)
Date: Wed, 13 Dec 1995 22:53:13 +0100 (MET)
Cc: hackers@FreeBSD.ORG
Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch)
In-Reply-To: <199512131648.JAA25533@seagull.rtd.com> from "Tony Jones" at Dec 13, 95 09:48:49 am
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As Tony Jones wrote:
> 
> I asked this on -questions and didn't get any replies.
> Can anyone give me some suggestions ?

> Have 3 scsi discs
> 	id0	quantum (Win95)
> 	id1	dec (FreeBSD root/usr/var)
> 	id2	dec (FreeBSD src/home)

> So, I decided I'd fix down the scsi id's
> 
> 	config kernel root on sd0
> 
> 	disk sd0 at scbus0 target 1
> 	disc sd1 at scbus0 target 2
> 
> I _thought_ this would do the trick. 
> 
> Works OK if the Quantum is removed/powered off.
> 
> If I add the Quantum back in ...  System boots with the Quantum in place, 
> assigns id0 to sd2, id1 to sd0 and id2 to sd1.

> Then it sets root device to *sd1* and barfs trying to mount root as
> sd1a. Seems to be getting sd1 from the fact that I'm booting off
> id1.

Your problem is the BIOS, not FreeBSD.

You have to boot from different devices at the boot: prompt, since
they reflect the BIOS' idea, not FreeBSD's idea.  (That's why there is
the ``hd'' hint.)

-- 
cheers, J"org

joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)