Whether your company has already started down the path to make your data center more power-efficient, or if it doesn't even know where to begin, I'd like to share with you 10 techniques we have used to enhance our data center's infrastructure. I think you'll be pleasantly surprised to find out that these techniques are simple, affordable and easy to implement.

Customers both large and small tell us that power consumption and the resulting costs are a huge concern. By 2008, Gartner estimates that 48% of all IT budgets will be spent on energy alone. That's an astronomical percentage.

In an August 2007 report, the Environmental Protection Agency (EPA) painted a bleak picture. EPA estimates showed that if efficiency trends continue at their current rate, national energy consumption by data centers will nearly double by 2011.

Over the years, collaboration among cross-functional teams within NetApp and our local utility have resulted in significant gains in the power efficiency of our data centers.

Thanks to the improvements in our main corporate data center in Sunnyvale, Calif., we have already achieved energy-efficiency savings that the EPA is saying would be "state-of-the-art" for a data center in 2011. The same goes for some of our facilities in Research Triangle Park, N.C. Furthermore, we expect that our new data centers under construction in Research Triangle Park and Sunnyvale will all match the EPA's “maximum achievable” scenario for 2011, three years ahead of schedule and using only today’s technologies.

Here are the 10 tips for achieving the same efficiencies:

1. Measure to control

“You can’t control what you can’t measure” is an old maxim of operational efficiency. We’ve discovered that efforts to reduce power inefficiencies need to begin with baseline measurements. If you don’t know where your power is going, you can’t know where to focus your attention. To help measure our power consumption, we break it down into each of these categories:
• IT Systems
• UPS
• Chillers
• Lighting

2. Virtualize and consolidate IT systems

The EPA estimates that 50% of all data center power usage comes from servers and storage, which makes them logical targets for power savings. A hot trend right now is server virtualization, an effective strategy that produces savings in space, power and cooling.

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