James Green writing for ActualTech.io comments:

The industry has been talking about this for a few years now, but it’s becoming a real and present concern. RAID protection schemes have been used for a long time to protect data, either by mirroring the same data across redundant drives or by calculating parity across a collection of drives such that upon the failure of any drive (or drives), the data can be reconstructed with the remaining data.

RAID is as much a function of math as anything else. And when the math starts support failure, it’s time to look at your strategy.

Read more at: Have We Really Outgrown RAID?