NDLI: An Energy-Efficient Reliability Model for Parallel Disk Systems

Content Provider	IEEE Xplore Digital Library
Author	Fangyang Shen Xiao Qin Salazar, A. Manzanares, A. Bellam, K.
Copyright Year	2009
Abstract	In the last decade, parallel disk systems have increasingly become popular for data-intensive applications running on high-performance computing platforms. Conservation of energy in parallel disk systems has a strong impact on the cost of cooling equipment and backup power-generation. This is because a significant amount of energy is consumed by parallel disks in high-performance computing centers. Although a wide range of energy conservation techniques have been developed for disk systems, most energy saving schemes have adverse impacts on the reliability of parallel disk systems. To address this deficiency, we must focus on reliability analysis for energy-efficient parallel disk systems. In this paper, we make use of a Markov process to develop a quantitative reliability model for energy-efficient parallel disk systems using data mirroring. With the new model in place, a reliability analysis tool is developed to efficiently evaluate reliability of fault-tolerant parallel disk systems with two power modes.
Starting Page	843
Ending Page	848
File Size	817124
Page Count	6
File Format	PDF
ISBN	9781424437702
DOI	10.1109/ITNG.2009.295
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Markov Chains Power system management Disk Reliability Power system modeling Concurrent computing Mean time to fail Energy conservation Fault tolerant systems Mean time to recover Markov processes Energy efficiency Parallel Disk Systems Power system reliability Energy management
Content Type	Text
Resource Type	Article

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