From owner-freebsd-arch Tue Jul 25 12:27:28 2000 Delivered-To: freebsd-arch@freebsd.org Received: from pluto.plutotech.com (mail.plutotech.com [206.168.67.137]) by hub.freebsd.org (Postfix) with ESMTP id 2F62A37BD77 for ; Tue, 25 Jul 2000 12:27:23 -0700 (PDT) (envelope-from gibbs@plutotech.com) Received: from caspian.plutotech.com (root@mail.plutotech.com [206.168.67.137]) by pluto.plutotech.com (8.9.2/8.9.1) with ESMTP id NAA48018; Tue, 25 Jul 2000 13:27:19 -0600 (MDT) (envelope-from gibbs@plutotech.com) Message-Id: <200007251927.NAA48018@pluto.plutotech.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: mjacob@feral.com Cc: "Justin T. Gibbs" , freebsd-arch@FreeBSD.ORG Subject: Re: How much do we need the all-singing, all-dancing devfs? In-Reply-To: Your message of "Tue, 25 Jul 2000 12:13:34 PDT." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 25 Jul 2000 13:28:06 -0600 From: "Justin T. Gibbs" Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > >But there is a fully qualified 128 bit WWN. It's type 6, and it's in page 0x83 >of VPD info for Inquiry in SPC2. But not all devices are SCSI and not all SCSI devices have WWNs, so calling the FreeBSD representation of a virtual device identifier a WWN will lead to confusion when the identifier doesn't come from a WWN. The CAM3 spec talks a bit about virtual device identifiers and leaves it up to the implementer to decide what data is appropriate to make it unique. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message