NR-SS网络文件服务器的性能分析

Performance analysis of NR-SS network file sever

针对NR SS(Network attachedRaidStorageSystem)中采用存储设备与主机间的异构双通道连接模式 ,以及命令与数据分流的处理方式 ,向用户提供直接I/O数据路径的文件请求处理过程 ,建立了相应的Petri网模型 ,分析了NR

NR-SS system was designed with heterogeneous channel s between sever and storage devices. One channel is used for management of I/O dat a, the other for directly data transfer between storage devices and clients. By using the difference between commands and data, the server burden can be release d greatly. The Stochastic Petri-net model of its file request processing was es tablished and the effect of the improved performance was analyzed.