On Wed, 15 Jul 2009 12:41:02 BST, mrx said: > ii) Backed up and mirrored the content so that they could be back up in > 24 hours.
Strictly speaking, any site that gives a flying f**k in a rolling donut about their availability should be doing this *anyhow*, even if they aren't worried about getting hacked. Statistically, you're more likely to hear the sound of a disk drive head going into oxide-plow mode or the click-click-click of a dead servo platter than you are being hacked. And you're gonna want backups then. And no, doing RAID isn't a cure-all. If there's a fire, all the disks burn. If there's a plumbing leak upstairs that spills zillions of gallons of water through your hardware, all the disks spark and short out. Plus, I've seen enough RAID controllers take a crap all over all the disks far too many times in my career.
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