With rapid increasing of the speed of CPU and the mismatch between CPU and I/O,the bottleneck phenomenon of the computer system with high performance becomes even more serious day by day. Disk array technique is a new and bright way to solve this problem.

• 随着CPU速度的迅速提高，I/O与之不匹配加剧，高性能计算机面临愈来愈严重的I/O瓶颈问题，磁盘阵列作为解决这一难题的新路线有着光明的发展前景。