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A scalable bandwidth guaranteed distributed continuous media file system using network attached autonomous disks

IEEE TRANSACTIONS ON MULTIMEDIA 2003年第1期5卷 71-96页

作者： Akinlar, C Mukherjee, S Univ Maryland Dept Comp Sci College Pk MD 20742 USA Panason Technol Inc Princeton NJ 08540 USA

Repository for continous media data differs from that of the traditional text-based data both in storage space and streaming bandwidth requirements. The file systems used for continuous media streams need to support large volumes and high bandwidth. In this paper, we propose a novel scalable distributed continuous media file system built using autonomous disks. Autonomous disks are attached directly to the network and are able to perform lightweight processing. We discuss different ways to realize the autonomous disk, and describe a prototype implementation on Linux platform using PC-based hardware. We present the basic requirements of the continuous media file system and present the design methodology and a prototype Linux-based implementation of the distributed file system that supports the requirements. We present experimental results on the performance of the proposed file system prototyped using autonomous disks. We show that the performance of the file system scales linearly with the number of disks and the number of clients. The file system performs much superior to NFS running on the same hardware platform and can deliver higher raw disk bandwidth to the applications. We also present bandwidth and time sensitive read/write procedures for the file system and show that the file system can provide strict bandwidth guarantees for continuous media streams.

关键词： distributed file system file system Linux operating system network and disk scheduling network attached storage devices network file system quality of service

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A scalable distributed multimedia file system using network attached autonomous disks 8

A scalable distributed multimedia file system using network ...

引用

8th International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems

作者： Akinlar, C Mukherjee, S Univ Maryland Dept Comp Sci College Pk MD 20742 USA

ISBN: (纸本)076950728X

Repository for multimedia data differs from that of the traditional text-based data both in storage space and streaming bandwidth requirements. The file systems used in multimedia environment need to support large volumes and high bandwidth. In this paper, we propose a novel scalable distributed file system built using Autonomous disks. Autonomous disks are attached directly to the network and are able to perform lightweight processing. We discuss different ways to realize autonomous disk, and describe a prototype implementation on Linux platform using PC-based hardware. We present the design methodology and a prototype Linux-based implementation of the distributed file system that supports them We detail experimental results on the performance of the proposed file system prototyped using autonomous disks. We show that the performance of the fire system scales linearly with the number of disks and the number of clients. The file system performs much superior to NFS running on the same hardware platform and ran deliver higher raw disk bandwidth to the applications. We also show that the file system can provide strict bandwidth guarantees for multimedia streams.

关键词： file system distributed file system network file system network attached storage devices linux operating system quality of service network and disk scheduling

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