RAID is Redundant Array of Independent disk.support "short for Redundant Disk Array technology was born in 1987, by the university of California, Berkeley put forward. With a simple explanation, which will N Taiwan hard disk Controller (points by RAID Hardware, Software) combine into a virtual single big large-capacity hard disk usage. RAID of adopted for storage system (or server built-in memory) bring huge benefits, including improving transmission rate and provide fault-tolerant function is the biggest advantage.
introduction
RAID Redundant Array of disk Array (Independent Disks)