From owner-freebsd-current Sun Nov 24 10:49:35 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id KAA04888 for current-outgoing; Sun, 24 Nov 1996 10:49:35 -0800 (PST) Received: from mole.mole.org (marmot.mole.org [204.216.57.191]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id KAA04882; Sun, 24 Nov 1996 10:49:29 -0800 (PST) Received: (from mail@localhost) by mole.mole.org (8.6.12/8.6.12) id SAA12033; Sun, 24 Nov 1996 18:49:01 GMT Received: from meerkat.mole.org(206.197.192.110) by mole.mole.org via smap (V1.3) id sma012031; Sun Nov 24 18:48:58 1996 Received: (from mrm@localhost) by meerkat.mole.org (8.6.11/8.6.9) id KAA19240; Sun, 24 Nov 1996 10:49:06 -0800 Date: Sun, 24 Nov 1996 10:49:06 -0800 From: "M.R.Murphy" Message-Id: <199611241849.KAA19240@meerkat.mole.org> To: jkh@time.cdrom.com, rgrimes@gndrsh.aac.dev.com Subject: Re: 2.2-ALPHA install failure Cc: fenner@parc.xerox.com, freebsd-current@freebsd.org, jkh@freebsd.org, msmith@atrad.adelaide.edu.au, phk@freebsd.org Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > > > Humm... let me see... if I get this right (I don't use sysinstall, but > > > I have seen this X/1/1 translation thing it does) sysinstall defaults to > > > a X/1/1 translation, and even goes so far as to write that into the > > > MBR on a ``dangerously dedicated'' install. > > > > This was what phk recommended as proper "hint" values for libdisk in > > the dangerously-dedicated case. What would you suggest instead? > > As ``hint'' values I would suggest X/64/32 (C/H/S) for SCSI drives, > for IDE, well, hummmm... I don't really have a lot to say there, as > every single scsi controller I can think of _can_ deal with that translation, > and it gives you at least 1G of area. Bruces suggested values of > X/64/255 cause problems for the controllers that use a different extended > tranlation set (ie, X/63/256, X/64/256, and some other strange ones). > As a hint I suggest 0/0/0 AND force the user to declare C/H/S on the dangerously-dedicated case for ALL drive types. That's part of "dangerous"; with the freedom comes the responsibility. -- Mike Murphy mrm@Mole.ORG +1 619 598 5874 Better is the enemy of Good