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Integrating Pre-Cooling of Data Center operated with Renewable Energies

Abstract : Recently, integrating renewable energies in data centers has gained interest in the research community. Most researchers focus on the joint management of the IT and electrical infrastructures, few integrate cooling explicitly in their studies. One path that has been mostly forgotten so far is the potential for pre-cooling the data center when renewable energies are available. Recent works address this potential from an economical perspective to avoid peak prices, but none from an ecological perspective to reduce CO2 emissions. In our work, we fill the gap by investigating to which extent reducing the temperature when renewable energies are available has a potential interest, and how it compares to other temperature control strategies. We build on a strong physical model of heat dispersion and a MILP formulation of the problem at hand, and we propose heuristics to handle the cooling device at best with renewable energy. Finally, we run experiments on real data traces (IT and renewable energy) to derive the conclusions that pre-cooling has indeed an interest for reducing carbon emissions.
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https://hal.archives-ouvertes.fr/hal-02970488
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Submitted on : Sunday, October 18, 2020 - 2:12:58 PM
Last modification on : Wednesday, October 27, 2021 - 7:27:23 AM
Long-term archiving on: : Tuesday, January 19, 2021 - 6:23:48 PM

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  • HAL Id : hal-02970488, version 1
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Maël Madon, Jean-Marc Pierson. Integrating Pre-Cooling of Data Center operated with Renewable Energies. IEEE International Conference on Green Computing and Communications (GreenCom 2020), Nov 2020, Rhodes Island, Greece. ⟨hal-02970488⟩

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