PoS - Proceedings of Science
Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - NU - Neutrino
The Control Unit of KM3NeT detectors
C. Bozza,* T. Chiarusi, R. Bruijn on behalf of the KM3NeT Collaboration
*corresponding author
Full text: pdf
Pre-published on: July 22, 2019
Published on:
Abstract
The KM3NeT Collaboration has developed a flexible software suite named Control Unit to
control and manage its neutrino detectors in the Mediterranean Sea, as well as all the benches
where the DAQ hardware is integrated and tested. The Control Unit is highly modular and can
work with or without direct coupling to the central database system. In order to ensure highest
availability, maximum detector livetime and trouble isolation (no “single-point-of-failure”), the
Control Unit is built of disconnected services which can individually continue operation even if
others are temporarily missing. In case of hardware failure of one or more of the hosting
computers, the Control Unit is able to automatically reconfigure itself and
triggering/postprocessing resources to minimize the downtime to few seconds without any
human intervention. This mitigates the data loss in case of overlap of failures with transient
neutrino emission phenomena. In-house developed, high-performance web-based interfaces for
humans as well as for machines allow easy integration of the Control Unit with monitoring
tools. A user-friendly job system allows easy planning and management of data-taking
campaigns.
DOI: https://doi.org/10.22323/1.358.0844
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