CERN Tape Archive Documentation#
The CERN Tape Archive (CTA) is CERN’s open-source system for long-term tape data storage. The software is designed as a stable and scalable system that can reliably ingest and store the massive amounts of data the LHC produces. CTA integrates with disk buffer systems such as EOS and dCache. At CERN, CTA + EOS form the archival solution for LHC Run-3 and beyond.
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Explore CTA’s role at CERN, browse presentations, and read publications.
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See what changed in each version: Features, fixes, and migration notes by version.
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Ask questions, share practices, and discuss operations and development.
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Report bugs, track issues, and follow ongoing engineering work.
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Explore the repository, browse branches, and contribute.
Getting started#
Use the guides below to get oriented quickly.
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Learn about CTA concepts, architecture, and terminology.
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Install, configure, monitor, and upgrade a CTA deployment.
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Build from source, run tests, and contribute changes.
Looking for something specific?
Use the search bar at the top. It covers the entire CTA documentation.