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by Cuneyt Akinlar, Walid G. Aref, Ibrahim Kamel, Sarit Mukherjee
In Fifth International Workshop on Multimedia Information Systems, Palm Springs Desert
http://www.cs.umd.edu/users/saritm/papers/iwmis99.ps.gz
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Abstract:
Repository for multimedia data differs from that of the traditional text-based data both in storage space and streaming bandwidth requirements. Thus, the file systems used in multimedia environment need to support large volumes and high bandwidth. In this paper, we propose a novel concept called autonomous disks to build scalable distributed file systems. Autonomous disks are attached to the network and are able to do lightweight processing. We propose a file system architecture based on the autonomous disks. We discuss different ways to realize autonomous disk, and describe a prototype implementation on Linux platform using PC-based hardware. We present experimental results on the performance of the proposed file system implemented using the autonomous disks. We show that it scales linearly with number of disks and number of clients, and performs much superior to NFS running on the same hardware platform. 1
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