Write heavy, high performance applications should probably use RAID 0 or
avoid RAID altogether and consider using a larger n_val and cluster size.
Read heavy applications have more options, and generally demand more fault
tolerance with the added benefit of easier hardware replacement procedures.
Saying it’s a great post is an understatement. Go read it. Now.
Original title and link: How RAID fits in with horizontal scalability ( ©myNoSQL)