I was tasked a while ago with rebuilding our home made NAS server. Given my options, I went with a RAID-6 config. Why? Here’s why:
http://www.zdnet.com/blog/storage/why-raid-5-stops-working-in-2009/162
RAID 6 is the way to go these days. Minimum. And thankfully we did, as one of the hard drives went bad within a month.
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