An implementation of power-aware storage architecture

Authors:
Tianzhou Chen;Yan Like;Xie Bin
Affiliations:
Zhejiang University, Hangzhou, Zhejiang, P. R. China;Zhejiang University, Hangzhou, Zhejiang, P. R. China;Zhejiang University, Hangzhou, Zhejiang, P. R. China
Venue:
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Year:
2006

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Abstract

Nowadays, large storage is becoming an important feature of mobile embedded systems as their media functions are getting increasingly powerful and popular. However, no low power cost memory can provide sufficient capacity at low cost. And much higher power consumption of large capacity storage devices such as Microdrive is hard to be accepted. In this paper, we propose a logical storage layer over hybrid storage device composed of flash memory and Microdrive to provide file systems to embedded systems with minimal impact on battery runtime and power consumption. The result shows that the architecture can provide 32 times as much capacity with 10-15% battery runtime impact.