【摘要】 在大规模集群系统的并行运算环境中,I/O效率一直是影响系统整体性能的关键因素,并行文件系统技术是目前解决I/O性能瓶颈的有效途径之一。介绍当前并行文件系统的发展现状以及并行文件系统的类型,阐述SNFS并行文件系统的架构以及负载均衡DLC(分布式LAN客户端)技术的实现原理,并给出大规模集群系统环境中SNFS文件系统负载均衡技术的实现方法,最后,通过实际应用分析说明该技术在提升I/O性能上的优势。更多还原

【Abstract】 In parallel computing environment in a large-scale cluster system,I/O efficiency is always a key factor that affects the system’s overall performance.Parallel file system technology provides an effective way to solve I/O bottlenecks.The article describes the current status of the development of parallel file systems and parallel file system types,elaborates the architecture of SNFS parallel file system and load balance DLC(distributed LAN client)technology implementation principles,and presents an implement approach for SNFS file system load balance technology in large-scale cluster system environment.Finally,through application analysis the paper illustrates the advantage of the technology in improving I/O performance.更多还原