From owner-freebsd-hackers Sat Jun 26 10:44:27 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from uni4nn.gn.iaf.nl (osmium.gn.iaf.nl [193.67.144.12]) by hub.freebsd.org (Postfix) with ESMTP id 7582814F35 for ; Sat, 26 Jun 1999 10:44:24 -0700 (PDT) (envelope-from wilko@yedi.iaf.nl) Received: from yedi.iaf.nl (uucp@localhost) by uni4nn.gn.iaf.nl (8.9.2/8.9.2) with UUCP id TAA27801; Sat, 26 Jun 1999 19:32:22 +0200 (MET DST) Received: (from wilko@localhost) by yedi.iaf.nl (8.9.3/8.9.3) id SAA80561; Sat, 26 Jun 1999 18:42:16 +0200 (CEST) (envelope-from wilko) From: Wilko Bulte Message-Id: <199906261642.SAA80561@yedi.iaf.nl> Subject: Re: System unique identifier..... In-Reply-To: from Matthew Jacob at "Jun 26, 1999 8:38: 9 am" To: mjacob@feral.com Date: Sat, 26 Jun 1999 18:42:14 +0200 (CEST) Cc: justin@apple.com, tech-kern@netbsd.org, freebsd-hackers@FreeBSD.ORG X-Organisation: Private FreeBSD site - Arnhem, The Netherlands X-pgp-info: PGP public key at 'finger wilko@freefall.freebsd.org' X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG As Matthew Jacob wrote ... > > > On Sat, 26 Jun 1999, Wilko Bulte wrote: > > > As Matthew Jacob wrote ... > > > > > > Yes, you want the WWN to stay constant. That doesn't mean it should > > > necessarily be the same physical box. Nor does it mean it should be a > > > system that comes with a WWN assigned to by the manufacturer. > > > > Manufacturers have to register and 'get' a unique range they can assign > > to their products. How do you guarantee that your homegrown WWN is > > really unique? > > Witha a value in the top 4 bits that's not one of the currently defined > authoritative values. Not waterproof, at least to WW unique. What stops me from inventing exactly the same WWN as you do for your machine? Playing the devils (daemon's?) advocate, I admit.. > > > And to boot a Sun over fibre channel, you use the WWN. > > > > Well, we currently don't support that, but indeed that is what you would > > do. Tru64 Unix does something similar. > > > You can boot off of fibre channel now- but not using a WWN. Well, "we" is Compaq using a HSG80 FC raidbox on a Sun with a Jaycor adapter in the Sun. -- | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message