From owner-freebsd-hardware Sun Jan 21 17:26:36 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA23919 for hardware-outgoing; Sun, 21 Jan 1996 17:26:36 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id RAA23911 for ; Sun, 21 Jan 1996 17:26:30 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id MAA16967; Mon, 22 Jan 1996 12:04:23 +1030 From: Michael Smith Message-Id: <199601220134.MAA16967@genesis.atrad.adelaide.edu.au> Subject: Re: QIC-3080: density & length To: office@bus.net (C. O'Donnell) Date: Mon, 22 Jan 1996 12:04:22 +1030 (CST) Cc: freebsd-hardware@FreeBSD.ORG In-Reply-To: <199601211711.MAA05995@comet.connix.com> from "C. O'Donnell" at Jan 21, 96 12:11:05 pm MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hardware@FreeBSD.ORG Precedence: bulk C. O'Donnell stands accused of saying: > I have purchased a Conner TSM4000R SCSI tape backup unit. I have > found this unit mentioned several times in questions in the mail > archives, but unfortunately the replies must have been sent > directly, and not forwarded to the list. Odd, I've read lots of people saying that they're lemons. Sorry. > Q: How do I derive the BPI and length of the tape for dump? Don't bother, count it in blocks. > Q: How can I tell if this is a rewinding or non-rewinding unit (i.e. > should I use /dev/nrst0 or /dev/rst0)? That depends. If you want it to rewind on close, use /dev/rst0, if you don't, use /dev/nrst0. Here's a script we use for weekly backups to a 2G SCSI DAT, you should be able to modify this to suit you : #!/bin/sh #dump_weekly dump 0fuB /dev/nrst0 2097000 /local0 dump 0fuB /dev/nrst0 2097000 /local2 mt rewoffl > Chuck O'Donnell -- ]] Mike Smith, Software Engineer msmith@atrad.adelaide.edu.au [[ ]] Genesis Software genesis@atrad.adelaide.edu.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control (ph/fax) +61-8-267-3039 [[ ]] "Who does BSD?" "We do Chucky, we do." [[