What level of RAID would you use for an array involving a dozen 3Tb drives? If the drives can't be trusted, then you'd need some kind of error correction in so

What level of RAID would you use for an array involving a dozen 3Tb drives? If the drives can't be trusted, then you'd need some kind of error correction in software, I'd presume. I thought the drives should auto-correct any read errors. I'm not talking about in a radioactive environment, just normal usage.