并行I/O 已經成為提高分布式計算系統性能的一種重要方式，論文在研究集群計算
系統并行I/O 數據調度策略的基礎上，提出了一種應用于分布式計算系統中的二次調度自主維護負載平衡的動態I/O 調度算法(DIO_TSMB)，實驗結果表明了算法的有效性，最后分析了并行I/O 數據調度的發展趨勢。
關鍵詞 并行I/O；數據調度；二次調度

Research of a Dynamic Parallel I/O Scheduling Algorithm Deng Hui-min1, ZENG Bi-qing2* 1 (Department of Computer Engineering, HuNan Institute of Technology, HengYang HuNan 421008) 2 (Department of Computer Engineering, NanHai Campus, South China Normal University, NanHai Guangdong 528225) Abstract: Parallel I/O is an important way to improve the performance of the distributing computer. Based on the research situation of the parallel I/O data scheduling policies, a new data scheduling policy named the dynamic I/O scheduling algorithm of two times scheduling and self-maintenance load balancing(DIO_TSMB) is proposed. The experimental result has shown the validity. At last, the future development of parallel I/O data scheduling is presented.
Key words: parallel I/O; data scheduling; two times scheduling