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The Governance of Green IT by George Spafford

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CHAPTER 6: DATA CENTER TECHNICAL OPPORTUNITIES

Given the state of energy consumption in the data center, it is important to identify improvement opportunities to explore.

Prioritizing where to look

Based on studies by The Green Grid, the top four categories that account for 90% of power consumption are the chiller (33%), IT hardware (30%), uninterruptible power supply (18%) and the computer room air conditioner (nine per cent)12.

Given that data, these are the four general areas to investigate initially. As more data is collected and insight generated, there will be specific improvement opportunities that will need to be reviewed and prioritized accordingly.

Ghost equipment

Up to 30% of the servers in a data center may be abandoned yet continue ...

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