From owner-freebsd-scsi Wed Apr 3 01:08:36 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id BAA16983 for freebsd-scsi-outgoing; Wed, 3 Apr 1996 01:08:36 -0800 (PST) Received: from robin.camelot.de (root@robin.camelot.de [194.97.87.3]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id BAA16833 for ; Wed, 3 Apr 1996 01:07:09 -0800 (PST) Received: by camelot.de via sendmail with stdio id for freebsd-scsi@FreeBSD.org; Wed, 3 Apr 96 11:06:41 +0200 (MET DST) (/\##/\ Smail3.1.30.13 #30.3 built 25-mar-96) Message-Id: From: knarf@camelot.de (Frank Bartels) Subject: Re: DAT problems To: lehey.pad@sni.de (Greg Lehey) Date: Wed, 3 Apr 1996 11:06:41 +0200 (MET DST) Cc: knarf@camelot.de, freebsd-scsi@FreeBSD.org In-Reply-To: <199603281621.RAA12009@nixpbe.pdb.sni.de> from Greg Lehey at "Mar 28, 96 05:18:56 pm" X-Mailer: ELM [version 2.4ME+ PL13 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk Heya! Greg Lehey wrote: > > After that the machine sometimes crashes a couple of minutes later. > > The tape seems to wind forward and then backward and then panics. > > How long does it do this for? More or less than a minute? Much more than one minute. > > I tried another tape in another SP3G with NCR. > > > > (ncr0:4:0): "HP HP35470A 9 09" type 1 removable SCSI 2 > > > > Same error. :/ > > > > So I bought a new machine: > > A new computer or a new DAT drive? Judging by the report, I'm > assuming a new computer. A new computer. :) > There are a couple of things you should check: > > 1. You don't have a 120m cartridge, do you? The 34580A can't read > them (but it should report the fact, and not go into deep > meditation mode). No, I have just 90m tapes. > 2. Have you cleaned the drive with a cleaning cartridge in the last > 25 hours of operation? No, I did not. Now I got a cleaning tape and used it, but it did not help. (Should I use cleaning cartridges or not? If, how often?) > 3. Does it work with a new cartridge? It looks as if you're trying > to read an existing cartridge, and if that's not in good > condition, it could cause these problems. This seems really possible. But _writing_ to an "old" tape (written on it once) should work as good as writing to a new tape, yes? Bye, Knarf -- Frank Bartels |UUCP/ZModem/Fax: + 49 89 5469593| "Captain, why not just knarf@camelot.de | http://www.camelot.de/~knarf/ | give the Borg Windows?"