Date: 06 Jan 2003 09:04:19 -0500 From: Lowell Gilbert <freebsd-chat-local@be-well.no-ip.com> To: Jamie Bowden <ragnar@sysabend.org> Cc: Brad Knowles <brad.knowles@skynet.be>, chat@FreeBSD.ORG Subject: Re: Backup Solutions Message-ID: <444r8mnzmk.fsf@be-well.ilk.org> In-Reply-To: <20030106051858.U33984-100000@moo.sysabend.org> References: <20030106051858.U33984-100000@moo.sysabend.org>
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Jamie Bowden <ragnar@sysabend.org> 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
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