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并行文件系统是提高大规模并行计算机I／O速度的有效途径之一，但构造一个并行文件系统往往是件复杂的工作。文中对并行文件的概念、结构作了深入的探讨，提出了在传统文件系统基础上构造并行文件系统的简单而有效的方法，并介绍了YLT并行文件系统的实现策略，最后在理论上对YLT的性能作出了评估。
Parallel file system is one of the effective ways to improve I / O speed of large-scale parallel computer. However, constructing a parallel file system is often a complicated task. In this paper, the conception and structure of parallel file are discussed deeply. A simple and effective method of constructing parallel file system based on traditional file system is put forward. The implementation strategy of YLT parallel file system is introduced. Finally, in theory, The performance was evaluated.