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Greening the Data Center: A Pocket Guide by George Spafford

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INTRODUCTION

Organizations around the world rely on data centers to house their IT services in a manner that optimizes confidentiality, integrity and availability in support of the entity’s goals. The growth in the number of servers and data centers in the past five years has been nothing short of amazing.

An accelerating demand for power is coinciding with an increasing demand for computing and storage capacity. In 2006, data centers consumed 61 billion kilowatt hours (kWh) of electricity, with growth projected at 12% per year.1 Unfortunately, only 30% of the power that enters a data center is actually consumed by IT hardware.2 Of that, an even smaller fraction of that power is used to do anything productive.

Not only must the IT hardware ...

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