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Re: [edlug] DVD RW disks for backup - advice

To: "A. Zelter" <azelter@xxx.xxx.xxx>
Subject: Re: [edlug] DVD RW disks for backup - advice
From: "Stephen C. Tweedie" <sct@xxx.xxx.xxx>
Date: 16 Mar 2004 22:42:43 +0000
Cc: asmith@xxx.xxx.xxx, EdLUG <edlug@xxx.xxx.xxx>
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Hi,

On Mon, 2004-03-15 at 20:56, A. Zelter wrote:
> Wouldn't software RAID be cheaper and easyer and better than a DVD every
> night?

Bad idea --- RAID is not good for backups.  Backups are there for all
sorts of disaster recovery: a RAID1 filesystem won't help you recover
from "rm -rf", for example.  A proper backup archive will.

And with DVD-RW disks supporting approx 1000 reuses of the media, at
4.7GB per disk, it's _really_ cheap compared to most backup
alternatives.

--Stephen

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