Distributed File System has been widely applied in High Performance Computation fields such as militaris tstrategist, weather forecast. These fields’speciality needs the distributed file system being of highly throughput and availability. The distributed file system has been the main storage architrave of HPC environment.It has two characteristics: one is the bigger capability and higher aggregation
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As a new model of network computing based on C/S architecture, Transparent computing can effectively reduce the using and maintaining cost of computer systems, what’s more, its clients’performance is close to some personal computers with the same hardware configurations, consequently widely applied in so many places, such as school, internet bar, government and so on.
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In the system of network storage, optimizing the data organization is one of the effective methods used to improve the system performance. A suitable algorithm to organize data can improve the performance of the storage system and provide with reliability, availability and scalability. The data organization of the network storage system includes two aspects: the
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The ever-increasing gap between CPU and I/O speed has created the most outstanding imbalance in computer systems.The improvement of disk throughput has been unable to keep up with the rapidly speeding-up CPU,and the I/O delay has been lagging behind seriously.Prefetching is a vital technique for improving disk I/O performance.It can transform small synchronous I/O requests
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With the explosive growth of the data and the importance of the information, more and more challenges on capacity, I/O performance, availability, reliability, security of the storage system have been put forward. The solution to this issue is to establish the hierarchical storage system with standard interface so as to integrate abundant software and hardware
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With the rapid development of computer network and the increasing data requirements by users, it brings more opportunities to advance network storage technology, while dis-tributed storage systems have to face more and more challenges. In these challenges, how to improve the I/O performance of storage systems and how to manage large-scale complex storage systems, which
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