A Scalable Video Server Using Intelligent Network Attached Storage
MMNS '02 Proceedings of the 5th IFIP/IEEE International Conference on Management of Multimedia Networks and Services: Management of Multimedia on the Internet
OMFS: An Object-Oriented Multimedia File System for Cluster Streaming Server
HPCASIA '05 Proceedings of the Eighth International Conference on High-Performance Computing in Asia-Pacific Region
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Repository for multimedia data differs from that of the traditional text-based data in both 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 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 show that the file system can provide strict bandwidth guarantees for multimedia streams.