Graceful operation of disk drives under thermal emergencies

Youngjae Kim, Jeonghwan Choi, Sudhanva Gurumurthi, Anand Sivasubramaniam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Thermal-aware design of disk-drives is an important concern because high temperatures can cause reliability problems. Hence, Dynamic Thermal Management (DTM) has been proposed to operate the disk at the average case, rather than the worst case by modulating the activities to avoid thermal emergencies at run time while pushing the performance. A delay-based approach to adjust the disk seek activities is one DTM solution for normal disk-drives. Even if it could overcome thermal emergencies without stopping disk activity, it suffers from long delays when servicing the requests. In this paper, we investigate the possibility of using a multi-speed disk-drive which dynamically modulates the rotational speed of the platter (called DRPM) for implementing DTM. Using a detailed performance and thermal simulator of storage system, we evaluate DTM policies and observe that the DRPM technique is the best to avoid thermal emergencies. However, we find that the time taken to transition between different rotational speeds of the disk is critical to the effectiveness of this DTM technique.

Original languageEnglish (US)
Title of host publication1st International Conference on Thermal Issues in Emerging Technologies, Theory and Applications; Proceedings - ThETA 1
Pages85-91
Number of pages7
DOIs
StatePublished - Dec 17 2007
Event1st International Conference on Thermal Issues in Emerging Technologies, Theory and Applications; Proceedings - ThETA1 - Cairo, Egypt
Duration: Jan 3 2007Jan 6 2007

Publication series

Name1st International Conference on Thermal Issues in Emerging Technologies, Theory and Applications; Proceedings - ThETA1

Other

Other1st International Conference on Thermal Issues in Emerging Technologies, Theory and Applications; Proceedings - ThETA1
CountryEgypt
CityCairo
Period1/3/071/6/07

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology

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    Kim, Y., Choi, J., Gurumurthi, S., & Sivasubramaniam, A. (2007). Graceful operation of disk drives under thermal emergencies. In 1st International Conference on Thermal Issues in Emerging Technologies, Theory and Applications; Proceedings - ThETA 1 (pp. 85-91). [4211092] (1st International Conference on Thermal Issues in Emerging Technologies, Theory and Applications; Proceedings - ThETA1). https://doi.org/10.1109/THETA.2007.363414