From owner-freebsd-chat Mon Jan 6 6: 4:24 2003 Delivered-To: freebsd-chat@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AB5DC37B401 for ; Mon, 6 Jan 2003 06:04:22 -0800 (PST) Received: from rwcrmhc52.attbi.com (rwcrmhc52.attbi.com [216.148.227.88]) by mx1.FreeBSD.org (Postfix) with ESMTP id 25D2443EB2 for ; Mon, 6 Jan 2003 06:04:22 -0800 (PST) (envelope-from freebsd-chat-local@be-well.no-ip.com) Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com[24.147.188.198]) by rwcrmhc52.attbi.com (rwcrmhc52) with ESMTP id <2003010614042105200qkv50e>; Mon, 6 Jan 2003 14:04:21 +0000 Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com [24.147.188.198] (may be forged)) by be-well.ilk.org (8.12.6/8.12.6) with ESMTP id h06E4KBq021929; Mon, 6 Jan 2003 09:04:20 -0500 (EST) (envelope-from freebsd-chat-local@be-well.no-ip.com) Received: (from lowell@localhost) by be-well.ilk.org (8.12.6/8.12.6/Submit) id h06E4J5h021926; Mon, 6 Jan 2003 09:04:19 -0500 (EST) X-Authentication-Warning: be-well.ilk.org: lowell set sender to freebsd-chat-local@be-well.ilk.org using -f To: Jamie Bowden Cc: Brad Knowles , chat@FreeBSD.ORG Subject: Re: Backup Solutions References: <20030106051858.U33984-100000@moo.sysabend.org> From: Lowell Gilbert Date: 06 Jan 2003 09:04:19 -0500 In-Reply-To: <20030106051858.U33984-100000@moo.sysabend.org> Message-ID: <444r8mnzmk.fsf@be-well.ilk.org> Lines: 39 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Jamie Bowden writes: > On Sun, 5 Jan 2003, Brad Knowles wrote: > > > At 11:00 PM -0500 2003/01/05, Benjamin Lewis wrote: > > [AMANDA, and its major flaw] > > > > It can use more > > > than one tape during a backup *run*, but if any of the backups is > > > larger than the tape the backup will fail. At work we use Amanda > > > extensively and we're just careful about keeping filesystems smaller > > > than tapes (or else buying drives with higher capacity) but if you've > > > got a bunch of 80gig drives and only a 4mm tape drive then you're likely > > > to hit this restriction big time. > > > > Especially since I'm just about to really get into editing home > > video digitally, and I need to dump all the video I've captured > > (several 80 minute MiniDV tapes) and then start putting all that > > together. > > > > I may need a terabyte of storage or more, but so long as I buy > > ultra-high capacity and relatively inexpensive drives, I think I can > > RAID them at the server and still keep the costs within reasonable > > limits. > > Repeat after me: > > RAID is NOT a backup. > > You're smarter than this Brad, there are many reasons to do backups, and > disk failure is one of the least common reasons (ie, how many times have > you had to restore user files deleted accidentally vs. due to hardware > failure?) You misunderstood him. Because he's adding RAID storage, he will have larger filesystems, and larger amounts of data to back up to tape. Thus, overrunning a single tape will be more of a problem for him than in the past. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message