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Getting a datacentre's infrastructure right is a huge part of the battle - but it goes hand in hand with better monitoring.
IBM developed its Measurement & Management Technologies (MMT) to better understand power usage in its datacentres. Naturally enough, it's now them to clients.
MMT comes in a manual version and a robot version - pictured above is the manually-guided sensor trolley, which gathers data from sensors placed all around the room to create a 3D heat map.
"Measure chiller power, measure cooling tower power, measure pump power, measure the IT – and then plot it," says Schmidt.