Loek Essers. Computerworld. July 11, 2011.
Sensors at the Large Hadron Collider at CERN generate around 1 petabyte of data per second. It is not possible to store that amount of data, nor is all of the data needed. They select the 'must-have' data: "The goal is to try not to drop anything interesting." After filtering, CERN has up to 25 petabytes of data to store each year, most of which is stored on tapes. They have a capacity of about 34 PB on tape and 45 PB on disk. Analyzing the data is done by their computer grid.
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