China Education Equipment Purchasing Network News: According to the computer room 360, Facebook said that they have proposed to increase the temperature of each server's entrance from 85 ° F to 85 °, this move is mainly to further reduce the impact on the environment.
According to the news, ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers), the leading heating and cooling industry organization in the United States, raised the temperature within the working range of the data center from 77 degrees to 81 degrees in 2008. Recent data from the most end-users indicates that many enterprise data centers are increasing their temperature.
At present, the relative temperature of the Facebook computer room has increased from 65% to 90%, and the Delta T is from 25 ° F to 35 °. Delta T refers to the temperature difference between the cold aisle and the hot aisle, which means that the hot aisle temperature in Facebook's new data center space can reach 120 °-this is not a pleasant working environment for data center administrators. Based on this, Facebook's design of its open computing server is to arrange the wiring in front of the server (cold aisle) instead of the hot aisle. All the lights in the hot aisle will be turned off-this area is not designed for staff.
Historically, the temperature tolerance control of most data centers is between 68 ° F and 72 ° F (20 ° C and 22 ° C). In recent years, large data center providers and industry organizations have advocated improving the Temperature to 80 ° F (about 27 ° C).
It is reported that as a known set point, raising the reference temperature in the data center can save costs on the cooling equipment in the computer room. According to statistics, data center managers can save 4% in energy costs by increasing and changing set points. But the upgraded thermostat also requires less time to recover from cooling failures, which can only be satisfied by companies with a strong cooling infrastructure.
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