Cooling is responsible for the greatest energy waste. The problem is that most don’t know where all the hot spots are, and instead cool the entire data center to a certain level. The reality is that the hottest servers probably consume a minority of floor space, so you can focus cooling on those that need it most. Once you’ve isolated your most power-hungry servers, turn up the thermostat on the rest of them. Most servers can operate perfectly well at temperatures of as much as 100° (be sure to check with your supplier) and each 1° increase in temperature can save about 4percent in energy costs.Several vendors also now sell server racks that are optimized for cooling.
The Raised Floor
If you look under the raised flooring in your data center, you’ll probably find pockets of cables clustered together. [Read more...]