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68F monolithic data centers becoming obsolete
68-degree data centers becoming a thing of the past, APC says
by Jon Brodkin, Network World, 2009-06-12
"Servers, storage and networking gear are often certified to run in temperatures exceeding 100 degrees, and with that in mind many IT pros are becoming less stringent in setting temperature limits..."
Design for future capacity, build for now in steps or modules.
"..enterprises can learn something from the giant SuperNAP co-location data center in Las Vegas.. ..While the site can support 60 megawatts, it's being built out in 20-megawatt chunks. 'That means they can maximize the energy consumption, the efficiency of the data center as they scale...' ..One of the biggest mistakes is to over-size power capacity, in anticipation of future growth that may never come. Companies have to plan for where they think they will be a few years from now, but build out in smaller increments"