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Date Added: Apr 2013
The data center architecture and its IT load significantly affect the amount of time available for continued IT operation following a loss of cooling. Some data center trends such as increasing power density, warmer supply temperatures, the “right-sizing” of cooling equipment, and the use of air containment may actually increase the rate at which data center temperatures rise. However, by placing critical cooling equipment on backup power, choosing equipment with shorter restart times, maintaining adequate reserve cooling capacity, and employing thermal storage, power outages can be managed in a predictable manner. This paper discusses the primary factors that affect transient temperature rise and provides practical strategies to manage cooling during power outages.