DRPM: Dynamic speed control for power management in server class disks

Sudhanva Gurumurthi, Anand Sivasubramaniam, Mahmut Kandemir, Hubertus Franke

Research output: Contribution to journalConference articlepeer-review

309 Scopus citations


A large portion of the power budget in server environments goes into the I/O subsystem - the disk array in particular. Traditional approaches to disk power management involve completely stopping the disk rotation, which can take a considerable amount of time, making them less useful in cases where idle times between disk requests may not be long enough to outweigh the overheads. This paper presents a new approach called DRPM to modulate disk speed (RPM) dynamically, and gives a practical implementation to exploit this mechanism. Extensive simulations with different workload and hardware parameters show that DRPM can provide significant energy savings without compromising much on performance. This paper also discusses practical issues when implementing DRPM on server disks.

Original languageEnglish (US)
Pages (from-to)169-179
Number of pages11
JournalConference Proceedings - Annual International Symposium on Computer Architecture, ISCA
StatePublished - 2003
Event30th Annual International Symposium on Computer Architecture - San Diego, CA, United States
Duration: Jun 9 2003Jun 11 2003

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture


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