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Achieving Bigger Benefits from Virtualization with Optimized Power and Cooling


IT virtualisation, the engine behind cloud computing, can have significant consequences on the data centre physical infrastructure (DCPI).  Higher power densities that often result can challenge the cooling capabilities of an existing system.  Reduced overall energy consumption that typically results from physical server consolidation may actually worsen the data centre’s power usage effectiveness (PUE).  Dynamic loads that vary in time and location may heighten the risk of downtime if rack-level power and cooling health are not understood and considered.  Finally, the fault-tolerant nature of a highly virtualised environment could raise questions about the level of redundancy required in the physical infrastructure.  These particular effects of virtualisation will be discussed and possible solutions or methods for dealing with them are offered.


Patrick Donovan Senior Research Analyst

Patrick Donovan  is a Senior Research Analyst with Schneider Electric’s Data Center Science Center.  He has over 16 years of experience developing and supporting critical power and cooling systems for Schneider Electric’s IT Business unit including several award-winning power protection, efficiency and availability solutions. 

Schneider Electric
May 31, 2012

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