Facebook stores "cold data" on 10,000 Blu-ray discs

When the average person thinks about 10,000 Blu-ray discs, they likely imagine an impressive movie collection, but when Facebook Vice President of Infrastructure Engineering Jay Parikh and Director of Infrastructure Jason Taylor thought about 10,000 Blu-ray discs, data storage came to mind. The social network is currently testing a prototype storage system made up of 10,000 Blu-ray discs, which it revealed at OCP Summit V in San Jose, Calif., Tuesday, PCWorld reported.

If you thought Netflix and iTunes would make optical discs a thing of the past, think again. Facebook has built a storage system from 10,000 Blu-ray discs that holds a petabyte of data and is highly energy-efficient, the company said Tuesday. Facebook said last year that it was exploring Blu-ray for its data-center storage needs, and on Tuesday it showed a prototype system at the Open Compute Project summit meeting in San Jose, California. It designed the system to store data that hardly ever needs to be accessed, or for so-called “cold storage.” That includes duplicates of its users’ photos and videos that Facebook keeps for backup purposes, and which it essentially wants to file away and forget.

Read full article