From owner-freebsd-hackers  Sat Jan 28 10:41:59 1995
Return-Path: hackers-owner
Received: (from root@localhost) by freefall.cdrom.com (8.6.9/8.6.6) id KAA07309 for hackers-outgoing; Sat, 28 Jan 1995 10:41:59 -0800
Received: from cs.weber.edu (cs.weber.edu [137.190.16.16]) by freefall.cdrom.com (8.6.9/8.6.6) with SMTP id KAA07303; Sat, 28 Jan 1995 10:41:57 -0800
Received: by cs.weber.edu (4.1/SMI-4.1.1)
	id AA07357; Sat, 28 Jan 95 11:31:02 MST
From: terry@cs.weber.edu (Terry Lambert)
Message-Id: <9501281831.AA07357@cs.weber.edu>
Subject: Re: >1024 cyl IDE drive
To: bde@zeta.org.au (Bruce Evans)
Date: Sat, 28 Jan 95 11:31:00 MST
Cc: jkh@FreeBSD.org, hackers@FreeBSD.org, hoppy@appsmiths.com
In-Reply-To: <199501280256.NAA18071@godzilla.zeta.org.au> from "Bruce Evans" at Jan 28, 95 01:56:35 pm
X-Mailer: ELM [version 2.4dev PL52]
Sender: hackers-owner@FreeBSD.org
Precedence: bulk

> Someone told us long before that in the enclosed mail to freebsd-bugs.
> I thought it was well known to boot block hackers.

[ ... ]

> Bruce

[ ... ]

> This URGENT bug report describes a possible disk partitioning problem
> that might potentially trash large numbers of users hard disks. Please
> ensure it is examined BEFORE CD-ROMs are mastered. It may well be a
> false alarm but I think somebody who knows more about this than I
> do better take a look.
> 
> The problem is that disk geometry remapping is not only performed
> by the IDE controller or BIOS but also on many machines by special 
> boot programs in the MBR sector which might appear to be the same 
> as a BIOS remapping to FreeBSD utilities, but unlike a BIOS
> remapping would disappear when the MBR is re-written unless special 
> precautions, not mentioned in the INSTALL file, are taken.

THIS IS THE ARTICLE I HAVE BEEN REFERRING TO BUT UNABLE TO FIND!

THANK YOU!


					Terry Lambert
					terry@cs.weber.edu
---
Any opinions in this posting are my own and not those of my present
or previous employers.