I'd say completely the opposite. If you're operating at Backblaze scale doubling your operations workload can be expensive. If you're at home doubling or tripli

I'd say completely the opposite. If you're operating at Backblaze scale doubling your operations workload can be expensive. If you're at home doubling or tripling your chance of having to do some maintenance for an hour a year is trivial compared to the benefit of significantly reducing the chance that your whole array will fail from a common fault of all drives.