The basic idea of RAID (Redundant Array of Inexpensive Disks) storage is combining multiple small, cheap disk drives into an array of disk drives (appearing to the computer as a single logical storage unit) that yields performance exceeding that of a SLED (Single Large Expensive Drive).

RAID offers many advantages over the use of single hard disks, including higher data security, fault tolerance, improved availability, and integrated capacity.

That said, RAID was invented more than 30 ...