From owner-freebsd-questions@FreeBSD.ORG Wed Dec 31 17:29:51 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E441A16A4CE for ; Wed, 31 Dec 2003 17:29:51 -0800 (PST) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id BFCB243D2D for ; Wed, 31 Dec 2003 17:29:50 -0800 (PST) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.12.10/8.12.10) id i011TnjS024767; Wed, 31 Dec 2003 19:29:49 -0600 (CST) (envelope-from dan) Date: Wed, 31 Dec 2003 19:29:49 -0600 From: Dan Nelson To: Eric F Crist Message-ID: <20040101012949.GA72724@dan.emsphone.com> References: <200312311655.20307.ecrist@adtechintegrated.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200312311655.20307.ecrist@adtechintegrated.com> X-OS: FreeBSD 5.2-CURRENT X-message-flag: Outlook Error User-Agent: Mutt/1.5.5.1i cc: freebsd-questions@freebsd.org Subject: Re: Tape backup solution? [OT] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jan 2004 01:29:52 -0000 In the last episode (Dec 31), Eric F Crist said: > I have a question that's slightly off-topic, but not. I install > high-end surveillance equipment for CCTV and such. I have a rather > large client in Minneapolis who's using Dedicated Micros digital > video recorders. The particular model we're using has a 500 GB hdd, > but this client would like to archive images to tape for longer > storage. As of now, we're only getting about 2 months of recording > time. For off-site viewing, this unit can off-load images to a SCSI > cd recorder. Does anyone suggest a tape backup device that would be > SCSI and external, with a fairly high-capacity? I'm thinking around > 50 GB? I can't find a good web page to refer you to, but here's a quick summary of what's available. Capacity and transfer rate are native; if your data is 2:1 compressible, double both columns. Drive Capacity Xfer rate (GB) (MB/Sec) DLT 40 6 sDLT 110-300 11-36 LTO 100 15 LTO2 200 30 AIT3 100 12 SAIT1 500 30 -- Dan Nelson dnelson@allantgroup.com