Abstract: This paper analyzes the net topology of FC-SW Storage Area Network(SAN), advances the I/O addressing flow in FC-SW SAN, and predicts the performance of storage subsystem in FC-SW SAN based on queue theory. It describes the impact on I/O response time made by disk cache hit rate, probability of read/write disk, and network FC switch performance.

Key words: Storage Area Network(SAN), Redundant Array of Independent Disks(RAID), storage system

摘要： 分析FC-SW存储区域网络(SAN)的网络拓扑结构以及RAID等相关内容，描述在FC-SW SAN中的数据访问流程，在抽象FC-SW SAN的基础上利用排队理论对FC-SW SAN中的存储性能进行分析。阐述磁盘高速缓存命中率、I/O访问读写概率以及网络交换机FC-SW对I/O响应时间的影响。

关键词: 存储区域网络, 磁盘冗余阵列, 存储系统

CLC Number: 

• TP311