From owner-freebsd-current Sat May 1 12:17:30 1999 Delivered-To: freebsd-current@freebsd.org Received: from uni4nn.gn.iaf.nl (osmium.gn.iaf.nl [193.67.144.12]) by hub.freebsd.org (Postfix) with ESMTP id 1956715239 for ; Sat, 1 May 1999 12:17:26 -0700 (PDT) (envelope-from wilko@yedi.iaf.nl) Received: (from uucp@localhost) by uni4nn.gn.iaf.nl (8.9.2/8.9.2) with UUCP id TAA21451; Sat, 1 May 1999 19:50:05 +0200 (MET DST) Received: (from wilko@localhost) by yedi.iaf.nl (8.9.3/8.6.12) id RAA00823; Sat, 1 May 1999 17:59:19 +0200 (CEST) From: Wilko Bulte Message-Id: <199905011559.RAA00823@yedi.iaf.nl> Subject: Re: Further on tape & CAM problems In-Reply-To: <19990501092120.A13451@luke.pmr.com> from Bob Willcox at "May 1, 1999 9:21:20 am" To: bob@pmr.com Date: Sat, 1 May 1999 17:59:19 +0200 (CEST) Cc: bob@pmr.com, cjohnson@neunacht.netgsi.com, shocking@prth.pgs.com, current@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-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG [ should we keep this on -current ?? ] As Bob Willcox wrote ... > On Fri, Apr 30, 1999 at 12:36:25AM +0200, Wilko Bulte wrote: > > As Bob Willcox wrote ... > > > On Thu, Apr 29, 1999 at 10:26:36PM +0200, Wilko Bulte wrote: > > > > As Bob Willcox wrote ... > > > > > On Wed, Apr 28, 1999 at 08:45:36PM +0200, Wilko Bulte wrote: > > > Hmm, why is that? The newest of the IBM branded Exabyte 8200's that I > > > > That is what I've been told by an Exabyte engineer years back. I can only > > guess that some OEMs need adaptations to the firmware behaviour that are > > incompatible with what the rest of the world needs (or has standardised > > on, e.g. in the ANSI SCSI standard). Again, guessing. > > Well, I can only speak for the IBM OEM'd drives that I have (as a > retired IBMer, I've been picking them up at their employee surplus > store here in Austin, TX). For these drives the generic firmware works > just fine. I can see why Exabyte wouldn't openly recommend the change > though. The hardware is probably the same, so an EPROM swap brings them to the generic model. > recall that we did have some customizations in the firmware for the > RS/6K AIX systems. In addition to changing the Inquiry command Vendor > ID data, I believe there were some functional changes (I don't recall > the details). I have always suspected that the functional changes are > likely what made the IBM OEM'd drives fail on FreeBSD! The upgraded > firmware IBM drives work on both (as "Other SCSI Tape Drive"). That is quite possible. And it matches the recommendation of the Exabyte engineer. > > Mine works OK with that f/w. Not that I use the 8200 often anymore, > > I like my DLT4000 much better than the 8200. ;-) > > I much prefer my Exabyte Mammouth drives as well :-) > > (But I do seem to get some fun out of playing with the 8200's I get for > $10 apiece from the surplus store :-) Absolutely right. And I got my DLT4000 for US$ 25 so you can guess where I got it from 8-) Groeten / Cheers, | / 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-current" in the body of the message