Abstract
Achieving power efficiency is a very critical issue in today's data centers and other information processing and storage facilities. In this paper we focus on data layout strategies for conserving energy in de-duplication storage systems. We introduce a method to find the least-cost configuration that meets known targets for de-duplication performance (as well as fault-tolerance) while archiving energy efficiency. We have built the Power-Aware De-duplication System (PADS) to reduce energy use of conventional disk based de-duplication storage systems. PADS turns on just enough disk spindles by properly estimating average chunk size, that is, we can modulate the storage disk provision according to the load fluctuation. Simultaneously, by using S-RAID[10] based data layout, disk accesses are concentrated in a part of the disks in a long time which is conducive to scheduling other disks into standby or shutdown mode. Without specialized hardware, the system can still meet performance demands. Our proposed approach reduces energy consumption of de-duplication storage system, makes de-duplication to fully integrated with the underlying storage mechanism.
| Original language | English |
|---|---|
| Title of host publication | Proceedings - 13th International Conference on Parallel and Distributed Computing, Applications, and Technologies, PDCAT 2012 |
| Pages | 511-516 |
| Number of pages | 6 |
| DOIs | |
| Publication status | Published - 2012 |
| Event | 13th International Conference on Parallel and Distributed Computing, Applications, and Technologies, PDCAT 2012 - Beijing, China Duration: 14 Dec 2012 → 16 Dec 2012 |
Publication series
| Name | Parallel and Distributed Computing, Applications and Technologies, PDCAT Proceedings |
|---|
Conference
| Conference | 13th International Conference on Parallel and Distributed Computing, Applications, and Technologies, PDCAT 2012 |
|---|---|
| Country/Territory | China |
| City | Beijing |
| Period | 14/12/12 → 16/12/12 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Energy Aware
- data de-duplicaiton
- data layout
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