From owner-freebsd-hackers Thu Mar 28 17:39:55 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA26587 for hackers-outgoing; Thu, 28 Mar 1996 17:39:55 -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 RAA26496 for ; Thu, 28 Mar 1996 17:39:36 -0800 (PST) Received: from msmith@localhost by genesis.atrad.adelaide.edu.au (8.6.12/8.6.9) id MAA19305; Fri, 29 Mar 1996 12:28:08 +1030 From: Michael Smith Message-Id: <199603290158.MAA19305@genesis.atrad.adelaide.edu.au> Subject: Re: Can't read this stupid DAT tape - ARGH! To: gtc@aloft.att.com (gary.corcoran) Date: Fri, 29 Mar 1996 12:28:07 +1030 (CST) Cc: jkh@time.cdrom.com, lehey.pad@sni.de, hackers@FreeBSD.org In-Reply-To: <9603281921.AA16527@stargazer> from "gary.corcoran" at Mar 28, 96 02:21:49 pm 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 gary.corcoran stands accused of saying: > > I was under the impression that a DDS-2 drive actually writes at a > _higher density_ on *any* DAT than a DDS-1 drive. For example, if the ads > I see are correct, DDS-2 drives can put 4GB on a single tape without > compression. What they don't say, of course, is that 4GB is on a 120m > length tape. But, doesn't that imply that you can get 3GB on a 90m tape? > Whereas a DDS-1 drive can only put 2GB on a 90m tape (without compression). > > Please tell me this is true... ;-} Sorry, no. A DDS-2 drive will write in the DDS-1 format on the shorter tapes. > - I'm just about to order a DAT backup drive, and was planning on getting > a DDS-2 drive (HP C1533) so that I could fit more data on my 90m backup > tapes (the 120m tapes are too expensive). At <$15 each, just use more 2G tapes 8) > Gary -- ]] 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 [[ ]] Collector of old Unix hardware. "Where are your PEZ?" The Tick [[