CERN Data Centre

CERN Data Centre
Name	CERN Data Centre
Caption	Main data centre complex
Established	1990s
Location	Meyrin, Geneva
Owner	CERN

CERN Data Centre The CERN Data Centre serves as the principal computing hub for the Large Hadron Collider, supporting experiments such as ATLAS (particle detector), CMS (particle detector), ALICE (A Large Ion Collider Experiment), and LHCb. Located on the CERN campus in Meyrin, Geneva, the facility interfaces with worldwide partners including the Worldwide LHC Computing Grid, national laboratories like Fermilab, DESY, and institutions such as University of Oxford and CERN Openlab to distribute and process petascale data from collisions. The centre underpins collaborations spanning European Organization for Nuclear Research, European Grid Infrastructure, and projects related to High Luminosity LHC upgrades.

Overview

The centre provides high-throughput and high-performance computing services for experiments like ATLAS (particle detector), CMS (particle detector), ALICE (A Large Ion Collider Experiment), and LHCb while integrating storage and networking used by international partners including Fermilab, Brookhaven National Laboratory, DESY, and Rutherford Appleton Laboratory. It implements distributed computing models such as the Worldwide LHC Computing Grid and federated resources linked to European Grid Infrastructure and research universities like University of Cambridge and University of California, Berkeley. The data centre supports software frameworks and middleware developed in collaboration with CERN Openlab, Intel, IBM, Google, and Microsoft Research.

History and Development

Origins trace to computing requirements from experiments at the Super Proton Synchrotron and the Large Electron–Positron Collider in interaction with research centres such as Imperial College London and Technical University of Munich. The explosion of data from the Large Hadron Collider commissioning in 2008 drove expansion plans coordinated with bodies like the European Commission and agencies including Science and Technology Facilities Council. Major upgrades coincided with LHC shutdowns and High Luminosity LHC planning, alongside collaborations with industrial partners including HP, Cisco Systems, Dell EMC, and VMware. Milestones include integration into the Worldwide LHC Computing Grid and adoption of cloud technologies inspired by projects at Amazon Web Services and initiatives from European Space Agency computing groups.

Facilities and Infrastructure

Physical infrastructure comprises server halls, cooling plants, and power systems supported by utilities from Geneva and coordinated with local authorities including the Canton of Geneva. Redundant diesel generators, uninterruptible power supplies, and electrical distribution reflect standards from manufacturers such as Schneider Electric and Siemens. Network connectivity is enabled via high-speed links to backbone providers and research networks like GÉANT, ESnet, and Internet2, with peering coordinated through exchanges analogous to LINX. Storage arrays and tape libraries from vendors like IBM and Quantum Corporation implement long-term archiving policies used by collaborations including ATLAS (particle detector) and CMS (particle detector). The facility hosts virtualization and container orchestration platforms influenced by Kubernetes deployments at institutions like Lawrence Berkeley National Laboratory.

Computing and Services

Compute resources provide batch, grid, and cloud services for event reconstruction, Monte Carlo simulation, and data analysis used by research teams from MIT, University of Oxford, ETH Zurich, and École Polytechnique Fédérale de Lausanne. The centre manages petabytes of raw and processed data using middleware developed with EGI.eu and software stacks such as ROOT (data analysis framework), Gaudi (software framework), and tools from ATLAS (particle detector) and CMS (particle detector). Data distribution employs the Tiered storage architecture connecting Tier-0 at the centre to global Tier-1 and Tier-2 facilities like Fermilab and PIC (Port d'Informació Científica). Monitoring and orchestration integrate services from Nagios, Prometheus, and research IT teams associated with CERN IT Department and collaborative projects like CERN Openlab.

Operations and Management

Day-to-day operation involves systems administration, site reliability engineering, and collaboration with scientific computing groups from ATLAS (particle detector), CMS (particle detector), and ALICE (A Large Ion Collider Experiment). Governance aligns with CERN council directives and technical boards including representatives from member states such as France, Switzerland, Germany, and Italy. Incident response and continuity planning reference practices from ISO/IEC 27001 frameworks and coordination with emergency services in Geneva. Procurement and lifecycle management use suppliers like Dell EMC, HP Enterprise, and IBM and follow budgeting cycles involving funding from national laboratories and agencies including CNRS, IN2P3, and STFC.

Security and Sustainability

Physical security integrates access control, surveillance, and collaboration with local law enforcement in Geneva and regional partners in France. Cybersecurity practices follow recommendations from ENISA and incorporate intrusion detection, identity management, and patching workflows supported by teams across CERN IT Department, CERN Computer Security Team, and partner institutions like Fraunhofer Society. Sustainability measures include energy-efficiency projects inspired by research at École Polytechnique Fédérale de Lausanne and cooling innovations similar to implementations at Stockholm Data Center initiatives; the centre explores heat recovery and integration with local district heating schemes coordinated with the Canton of Geneva. Planning for the High Luminosity LHC era emphasizes scalable architectures and partnerships with industry leaders such as Intel, NVIDIA, and Microsoft to reduce carbon footprint while meeting compute demands.

Category:Data centers Category:CERN Category:Computing infrastructure