Server sprawl is taking up precious data center space and consuming a lot of power, resulting in high utility bills.The combination of memory, disks and network interfaces can exceed the power consumption of a CPU.Plus, excess hardware capacity can lead to significant energy waste.The good news is that many technologies commercially available or soon to be available could improve the energy efficiency of data centers.Advances in virtualization technology allow data centers to pool multiple applications, servers and storage into a single source of shared resources, saving space and power. They can be as much as 40 times more energy-intensive as conventional office buildings, according to a study by Lawrence Berkeley National Laboratories for the American Council for an Energy-Efficient Economy.And a lot of that power is consumed by information technology equipment. In January, the White House issued an executive order calling for each agency to improve energy efficiency and reduce greenhouse gas emissions either by 3 percent annually through the end of fiscal year 2015 or 30 percent by the end of fiscal 2015, depending on its current energy use profile (GCN.com/872).Data centers would be a good place to start.
Want to make your data center more environmentally friendly? Or just cut the power bills for your agency? The path to either goal is the same: Greater energy efficiency.With the general public becoming more aware of energy efficiency and with the cost of the kilowatt hour creeping up, the government data center certainly could stand to sharpen its energy usage profile.For one thing, President Bush has mandated reductions in energy usage.
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