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A little water goes a long way
Nothing inside the data center's cooling mechanism is custom made, including this Munters mesh that uses water to regulate the temperature and refresh the air. The system creates a climate with an optimized combination of temperature and humidity — while also using 80 percent less energy than traditional cooling methods. McCammon said the system has also allowed them to eliminate the need for reverse osmosis and cut down on water usage, as water collected from the system is continually reused.
Redundancy, redundancy, redundancy
Facebook likes to think it broke the theory of typical data center design with its high levels of redundancy. Much like with the cooling fans, where one clicks on if another fails, the same goes with the power. The facility has a reserve bus in the power system that allows them to switch between primary and reserve power. In previous data centers that had to be done by switching to generators.
Community can accelerate the pace of innovation
This is the Open Compute database server, one of the latest Open Compute projects. The new design uses flash for storage and is a 40-percent efficiency win compared to previous database devices. It's all solid state with no moving parts, giving it faster response and easier storability. Facebook officials said that open sourcing the things the company's built interally — and then building a community around those designs — has made them better, faster.