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Evaluating the cooling subsystem availability on a Cloud data center

  • Demis Moacir Gomes
  • , Patricia Takako Endo
  • , Glauco Goncalves
  • , Daniel Rosendo
  • , Guto Leoni Santos
  • , Judith Kelner
  • , Djamel Sadok
  • , Mozghan Mahloo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

13 Scopus citations

Abstract

A data center is divided into three basic subsystems: information technology (IT), power, and cooling. Cooling plays an important role related to data center availability, and a failure in this subsystem may cause an interruption of services. Generally, a redundant cooling subsystem is implemented based on replacing the failed component by the standby one. However, it also can be based on a rotation of computer room air conditioners (CRACs). This paper proposes scalable models that represent the cooling subsystem behavior to evaluate the impact of cooling failures on the data center availability. Models are based on the TIA-942 standard and represent Tiers I and II. We validate our model by comparing our results with the literatures. Our results show that the CRACs' rotation has similar results in availability when compared to the replace strategy.

Original languageEnglish
Title of host publication2017 IEEE Symposium on Computers and Communications, ISCC 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages736-741
Number of pages6
ISBN (Electronic)9781538616291
DOIs
StatePublished - Sep 1 2017
Event2017 IEEE Symposium on Computers and Communications, ISCC 2017 - Heraklion, Greece
Duration: Jul 3 2017Jul 7 2017

Publication series

NameProceedings - IEEE Symposium on Computers and Communications
ISSN (Print)1530-1346

Conference

Conference2017 IEEE Symposium on Computers and Communications, ISCC 2017
Country/TerritoryGreece
CityHeraklion
Period07/3/1707/7/17

Funding

ACKNOWLEDGMENT This work was supported by the RLAM Innovation Center, Ericsson Telecomunicações S.A., Brazil. We would like to thank the design team of Networking and Telecommunication Research Group (GPRT) for the support.

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