From owner-freebsd-isp Fri Dec 13 13:20:10 2002 Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 47B1B37B476 for ; Fri, 13 Dec 2002 13:20:08 -0800 (PST) Received: from mail.tcworks.net (mail.tcworks.net [216.61.218.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id F278643EC5 for ; Fri, 13 Dec 2002 13:20:04 -0800 (PST) (envelope-from ccook@tcworks.net) Received: from tcworks.net (stp.tcworks.net [216.61.218.6]) by mail.tcworks.net (8.11.6/8.11.6) with ESMTP id gBDLIgx26704; Fri, 13 Dec 2002 15:18:42 -0600 (CST) Message-ID: <3DFA4F55.A70AF71F@tcworks.net> Date: Fri, 13 Dec 2002 15:21:25 -0600 From: Chris Cook X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.4.2 i386) X-Accept-Language: en MIME-Version: 1.0 To: Simon Cc: Dan Nelson , "freebsd-isp@FreeBSD.org" Subject: Re: network backup References: <20021213180527.6B64543EA9@mx1.FreeBSD.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-RAVMilter-Version: 8.4.1(snapshot 20020920) (mail.tcworks.net) Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Simon wrote: > > I don't *just* want to make a backup. I want to back it up using an > efficient method because I'm dealing with terabytes of data. I can't > just back so much data daily over network and compress it. I have > to do incremental backups and compression on the fly is a must to > save disk space. I understand that rsync needs to be able to read > local copy of the backup in order to sync files correctly, however, this > can be done using on-fly compression, I just don't have/know the right > tool. Tools like rar and zip can do this only locally and don't support > large archive files; you have to break them up into many smaller ones, > unless I missed something (i tried to zip/rar a lot of files and once the > archive grew over gig or so in size, it errored out on me). Dump is a > mess to work with, it doesn't work with directories nor with single > archive file. You need to keep creating new dumps using different > backup levels and I don't know how you will restore files for x user > using all those little dumps when you need to efficiently. > AMANDA (The Advanced Maryland Automatic Network Disk Archiver) http://www.amanda.org -- Chris o----< ccook@tcworks.net >------------------------------------o |Chris Cook - Admin |TCWORKS.NET - http://www.tcworks.net | |The Computer Works ISP |FreeBSD - http://www.freebsd.org | o-------------------------------------------------------------o To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message