From owner-freebsd-hackers Wed May 1 22:48:34 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id WAA22140 for hackers-outgoing; Wed, 1 May 1996 22:48:34 -0700 (PDT) Received: from ref.tfs.com (ref.tfs.com [140.145.254.251]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id WAA22132 for ; Wed, 1 May 1996 22:48:32 -0700 (PDT) Received: (from julian@localhost) by ref.tfs.com (8.7.3/8.6.9) id LAA07762; Wed, 1 May 1996 11:38:21 -0700 (PDT) Message-Id: <199605011838.LAA07762@ref.tfs.com> Subject: Re: SCSI super device? To: grog@lemis.de (Greg Lehey) Date: Wed, 1 May 1996 11:38:21 -0700 (PDT) From: "JULIAN Elischer" Cc: hackers@freebsd.org In-Reply-To: <199605011349.PAA28119@allegro.lemis.de> from "Greg Lehey" at May 1, 96 03:49:07 pm X-Mailer: ELM [version 2.4 PL25 ME8b] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > I'm playing around with the 'scsi' command, and find an option: > > scsi -f device -p [-b bus] [-l lun] # To probe all devices > > According to the man page scsi(8), > > The -p option can be used against the "super scsi" device /dev/scsi/super > to probe all devices with a given SCSI lun on a given SCSI bus. The bus > can be selected with the -b option and the default is 0. The lun can be > selected with the -l option and the default is 0. See scsi(4) for a de- > scription of the "super scsi" device. > > Well, scsi(4) doesn't know about a "super scsi" device, I don't have > one on my system, and MAKEDEV doesn't seem to know either. Can > anybody tell me what device I need here? If I find out, I promise to > update the man page. the option in the kernel is (I believe) the 'ssc' device # These are only for watching for bitrot in old SCSI code. pseudo-device su #scsi user pseudo-device ssc #super scsi as the comments suggest they haven't been tested very recently but they DID work the last time I DID try them. julian