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Telefonica says it decided to build the datacenter in Alcala de Henares — birthplace of Don Quixote author Miguel de Cervantes — partly as a sign of confidence in Spain, and Madrid in particular, as it recovers from the crippling financial crisis.
Each room has its own diesel generator for backup in case the primary electrical supply goes down.
The modular design means each room is independent, an incident in one room will not impact any other room. Each room also has two electrical supplies, and if one goes down the other is capable of running the room on its own. This is partly what helps the datacenter achieve 99.995 percent availability, Telefonica says. PUE is around 1.4, it said.