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Facebook Using 10,000 Blu-ray Discs for 1PB Cold Storage

Housed in rack of 24 magazines, each holding 36 cartridges, and each with 12 discs
By Jean Jacques Maleval on 2014.02.03

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To read this article from Ars Technica, click on:
Why Facebook thinks Blu-ray discs are perfect for the data center
Cheap storage with a 50-year life span? Facebook spreads the gospel of Blu-ray.

Facebook has developed a prototype storage system that uses 10,000 Blu-ray discs to hold a petabyte of data.

The discs are housed in a fancy rack that holds 24 magazines, with each magazine holding 36 cartridges, and each cartridge holding 12 Blu-ray discs, for a total of 10,368. A robot lives and works inside the rack.

Facebook,100000 Blu-ray Discs der