From owner-freebsd-current Mon Dec 10 16:42:25 2001 Delivered-To: freebsd-current@freebsd.org Received: from monorchid.lemis.com (monorchid.lemis.com [192.109.197.75]) by hub.freebsd.org (Postfix) with ESMTP id C318937B416 for ; Mon, 10 Dec 2001 16:42:14 -0800 (PST) Received: by monorchid.lemis.com (Postfix, from userid 1004) id E78AE786E7; Tue, 11 Dec 2001 11:12:03 +1030 (CST) Date: Tue, 11 Dec 2001 11:12:03 +1030 From: Greg Lehey To: Peter Wemm Cc: Joerg Wunsch , freebsd-current@FreeBSD.ORG Subject: "Dangerously Dedicated" (was: cvs commit: src/sys/kern subr_diskmbr.c) Message-ID: <20011211111203.N63585@monorchid.lemis.com> References: <200112092200.fB9M0J660085@uriah.heep.sax.de> <20011210005928.9538A3810@overcee.netplex.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20011210005928.9538A3810@overcee.netplex.com.au> User-Agent: Mutt/1.3.23i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sunday, 9 December 2001 at 16:59:28 -0800, Peter Wemm wrote: > Joerg Wunsch wrote: >> Mike Smith wrote: >>> I'd love to never hear those invalid, unuseful, misleading opinions >>> from you again. >> >> ETOOMANYATTRIBUTES? :-) >> >> As long as you keep the feature of DD mode intact, i won't argue. If >> people feel like creating disks that aren't portable to another >> controller, they should do. I don't like this idea. > > We can just as easily have bootable-DD mode with a real MBR and have > freebsd start on sector #2 instead of overlapping boot1 and mbr. This would seem to be a reasonable alternative. > This costs only one sector instead of 64 sectors (a whopping 32K, > I'm sure that is going to break the bank on today's disks). Well, the real question is the space wasted at the end, which can be up to a megabyte. Still not going to kill you, but it's aesthetically displeasing. > I'd rather that we be specific about this. If somebody wants ad2e > or da2e then they should not be using *any* fdisk tables at all. > Ie: block 0 should be empty. The problem is that if you put > /boot/boot1 in there, then suddenly it looks like a fdisk disk and > we have to have ugly magic to detect it and prevent the fake table > from being used. I would prefer that the fdisk table come out of > /boot/boot1 so that we dont have to have it by default, and we use > fdisk to install the "DD magic table" if somebody wants to make it > bootable. So where would you put the bootstrap? In sector 2? Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message