The Worldwide Large Hadron Collider Computing Grid consortium’s grid is ready to process an anticipated 15 million gigabytes per year of data from the collider. It’s composed of 100,000 processors distributed among 140 scientific institutions.
Read more about it at “CERN Officially Unveils Its Grid: 100,000 Processors, 15 Petabytes a Year” and “The Grid Powers Up to Save Lives and Seek the God Particle.”