About CTA

The CERN Tape Archive (CTA) is the archival storage system for the custodial copy of all physics data at CERN.

CTA is implemented as the tape back-end to EOS. EOS + CTA will replace CASTOR as the CERN archival solution for LHC Run–3 and beyond.

CERN data storage gets ready for Run 3

Extensive consolidation of the data storage infrastructure culminated in 2020 when the new CERN Tape Archive software (CTA) entered production

Installation of Spectra Logic TFinity tape library

Time-lapse video of the installation of the Spectra Logic TFinity tape library in the CERN Data Centre (5 days in 60 seconds)

LHC: pushing computing to the limits

The Large Hadron Collider produced unprecedented volumes of data during its two multi-year runs, and, with its current upgrades, more computing challenges are in store

CERN Data Centre passes the 200-petabyte milestone

The CERN Data Centre passed a major milestone on 29 June 2017 with more than 200 petabytes of data now archived on tape


CTA Support


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