Energy consumption metric for data centres

Understanding how much power your data centre uses

Data centre industry group The Green Grid (TGG) recently put forward a metric for understanding data centre energy consumption, the Data Centre Infrastructure Efficiency (DCiE).

TGG says the metric is defined as the ratio of IT Equipment Power — the power consumed by equipment used to manage and process data — and Total Facilities Power — the power measured at the utility metre that decided solely to the data centre.

TGG recommends that DCiE be monitored over one year with ongoing measurements in order to compensate for peak and nominal loading changes that occur within the data centre.

The intent of DCiE is to assist decision makers for data centre operations, IT or facilities to improve data centre efficiency. It can be done at three levels, from basic to intermediate and advanced. For more information, visit the organisation's site.

Basic tips for green data centres >> Rack design should prevent the hot air from the back of each rack mixing with the cold air required in the front >> Energy efficient air conditioning >> Lighting control to turn lights off when not in use >> Configuration that requires less battery use UPS backup systems >> Insulation from outside temperature >> Energy efficient servers and virtual servers

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Tags data centresenergy consumptionThe Green Grid

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