一张图片让你明白 Raid 的含义

RAID(Redundant Array of Independent Disks 独立磁盘冗余阵列)的基本思想是:把多个相对便宜的小磁盘组合起来,成为一个磁盘组, 使性能达到甚至超过一个价格昂贵、容量巨大的磁盘。



from Vitao.com

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