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Building Strongly-Reliable and High-Performance Storage Cluster with Network Attached Storage Disks Using PCs

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3 Author(s)
CaiBin ; Dept. of Comput. Sci., Huazhong Univ. of Sci. & Technol., Wuhan ; Changsheng Xie ; Huaiyang Li

Decentralized, cooperative and large-scale distributed storage systems that consist of a cluster of storage nodes attached with local disks can deliver high resource utilization, high availability and easy scalability. This paper describes the design and prototype implementation of a strongly reliable and high-performance storage cluster using commodity components, where each node is equipped with local storage disks. We present a self-adaptive redundancy scheme for file data access that uses a combination of RAID5 and RAID1 writes to store data. To solve the disks latency issue, we adopt a novel cluster caching scheme that shares memories between nodes in cluster to construct an efficient and cooperative cache-to-disk accesses policy. Performance measurements of such a system are encouraging showing that such a storage cluster dynamically provides the high throughput and the strong reliability

Published in:

Computer and Information Technology, 2005. CIT 2005. The Fifth International Conference on

Date of Conference:

21-23 Sept. 2005