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copied!<p>You can buy external eSATA RAID boxes in the 8TB capacity range <a href="http://www.newegg.com/Product/Product.aspx?Item=N82E16822101110" rel="nofollow noreferrer">for $2600</a>. I'm not saying that particular product is the right choice, but that's the kind of box that will do 6TB in RAID5 and still be portable enough to buy a couple of them and rotate them through the bank, like Stu says. </p> <p>Obviously if you have to have to keep 7 individual days worth, a 14 day, 30 and 90 day snapshot, etc. then things are going to be much more expensive, but it's certainly doable if what you're after is just disaster recovery.</p> <p>The biggest thing to make sure is part of your plan is actually testing the restoration from the backup. That seems to get overlooked WAY too often and turns out to be the weakest link in nearly all of the strategies.</p> <p>You should plan for scheduled restorations as often as is reasonable where you actually dump the real data and restore from the backup. Without that, you don't know that it will work when you NEED it too. </p> <p>I've lost track of the number of times I've been in a company where there's a big rack full of backup tapes/drives, all dutifully made according to the schedule only to find out that NONE of them have valid data when the server gets wiped out.</p> <p>The more ways you can verify the integrity of the backups the better, but nothing substitutes for doing an actual dump/load from one of your backups to really test the setup.</p>

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