We report on the design, implementation of a non-equal scheme in streaming media data storage. According to the characteristics of the streaming media and considering the human beings usage, our scheme combines n-way mirroring and erasure-coding together to storage streaming media data. It is make good tradeoffs between system fault-tolerance and sufficient quality of service streams. The system has the optimal storage efficiency and the remarkably fault-tolerant capability. At last the design of the non-equal streaming media data cluster storage system is introduced in detail, and an intensive performance evaluation study on it is performed.
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