Disk subsystem bottlenecks cause more performance problems than server - side cpu or ram deficiencies , and a poorly designed disk subsystem can leave your organization vulnerable to hardware malfunctions 磁盘子系统瓶颈所产生的性能问题超过了服务器端cpu或ram不足所产生的性能问题,而且设计不佳的磁盘子系统使组织容易受到硬件故障的影响。