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Readings in Multimedia Computing and Networking by Hong Jiang Zhang, Kevin Jeffay

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Random RAIDs with Selective Exploitation of Redundancy for High Performance Video Servers*

Yitzhak Birk,     +972 4 829 4637, Electrical Engineering Department, Technion – Israel Institute of Technology, Haifa 32000, ISRAEL. E-mail address: birk@ee.technion.ac.il

Abstract

This paper jointly addresses the issues of load balancing, fault tolerance, responsiveness, agility, streaming capacity and cost-effectiveness of high-performance storage servers for data-streaming applications such as video-on-demand. Striping the data of each movie across disks in a “random” order balances the load while breaking any correlation between user requests and the access pattern to disks. Parity groups are of fixed-size, comprising consecutive blocks of a movie ...

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