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The Control Unit of the KM3NeT Data Acquisition System

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arxiv 1910.00112 v1 pith:LFEGZXWT submitted 2019-09-30 astro-ph.IM hep-ex

The Control Unit of the KM3NeT Data Acquisition System

S. Aiello , F. Ameli , M. Andre , G. Androulakis , M. Anghinolfi , G. Anton , M. Ardid , J. Aublin
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C. Bagatelas G. Barbarino B. Baret S. Basegmez du Pree M. Bendahman E. Berbee A. M. van den Berg V. Bertin S. Biagi A. Biagioni M. Bissinger J. Boumaaza S. Bourret M. Bouta G. Bouvet M. Bouwhuis C. Bozza H.Branzas M. Bruchner R. Bruijn J. Brunner E. Buis R. Buompane J. Busto D. Calvo A. Capone S. Celli M. Chabab N. Chau S. Cherubini V. Chiarella T. Chiarusi M. Circella R. Cocimano J. A. B. Coelho A. Coleiro M. Colomer Molla R. Coniglione P. Coyle A. Creusot G. Cuttone A. D'Onofrio R. Dallier M. De Palma I. Di Palma A. F. D\'iaz D. Diego-Tortosa C. Distefano A. Domi R. Don\`a C. Donzaud D. Dornic M. D\"orr M. Durocher T. Eberl I. El Bojaddaini H. Eljarrari D. Elsaesser A. Enzenh\"ofer P. Fermani G. Ferrara M. D. Filipovic A. Franco L. A. Fusco T. Gal A. Garcia Soto F. Garufi L. Gialanella E. Giorgio S. R. Gozzini R. Gracia K. Graf D. Grasso T. Gr\'egoire G. Grella D. Guderian C. Guidi S. Hallmann H. Hamdaoui H. van Haren A. Heijboer A. Hekalo J. J. Hern\'andez-Rey J. Hofest\"adt F. Huang G. Illuminati C. W. James M. de Jong P. de Jong M. Kadler P. Kalaczynski O. Kalekin U. F. Katz N. R. Khan Chowdhury F. van der Knaap E. N. Koffeman P. Kooijman A. Kouchner V. Kulikovskiy R. Lahmann G. Larosa R. Le Breton F. Leone E. Leonora G. Levi M. Lincetto A. Lonardo F. Longhitano D. Lopez-Coto G. Maggi J. Manczak K. Mannheim A. Margiotta A. Marinelli C. Markou G. Martignac L. Martin J. A. Mart\'inez-Mora A. Martini F. Marzaioli S. Mazzou R. Mele K. W. Melis P. Migliozzi E. Migneco P. Mijakowski L. S. Miranda C. M. Mollo M. Morganti M. Moser A. Moussa R. Muller M. Musumeci L. Nauta S. Navas C. A. Nicolau C. Nielsen B. O' Fearraigh M. Organokov A. Orlando V. Panagopoulos G. Papalashvili R. Papaleo C. Pastore G. E. Pavalas C. Pellegrino M. Perrin-Terrin P. Piattelli C. Pieterse K. Pikounis O. Pisanti C. Poir\`e G. Polydefki V. Popa M. Post T. Pradier G. Puhlhofer S. Pulvirenti L. Quinn F. Raffaelli N. Randazzo A. Rapicavoli S. Razzaque D. Real S. Reck J. Reubelt G. Riccobene M. Richer L. Rigalleau A. Rovelli I. Salvadori D. F. E. Samtleben A. S\'anchez Losa M. Sanguineti A. Santangelo D. Santonocito P. Sapienza J. Schnabel V. Sciacca J. Seneca I. Sgura R. Shanidze A. Sharma F. Simeone A.Sinopoulou B. Spisso M. Spurio D. Stavropoulos J. Steijger S. M. Stellacci B. Strandberg D. Stransky M. Taiuti Y. Tayalati E. Tenllado T. Thakore S. Tingay E. Tzamariudaki D. Tzanetatos V. Van Elewyck G. Vannoye F. Versari S. Viola D. Vivolo G. de Wasseige J. Wilms R. Wojaczynski E. de Wolf D. Zaborov A. Zegarelli J. D. Zornoza J. Z\'u\~niga
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keywords controldatasoftwareacquisitionkm3netunitcollaborationdetectors
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The KM3NeT Collaboration runs a multi-site neutrino observatory in the Mediterranean Sea. Water Cherenkov particle detectors, deep in the sea and far off the coasts of France and Italy, are already taking data while incremental construction progresses. Data Acquisition Control software is operating off-shore detectors as well as testing and qualification stations for their components. The software, named Control Unit, is highly modular. It can undergo upgrades and reconfiguration with the acquisition running. Interplay with the central database of the Collaboration is obtained in a way that allows for data taking even if Internet links fail. In order to simplify the management of computing resources in the long term, and to cope with possible hardware failures of one or more computers, the KM3NeT Control Unit software features a custom dynamic resource provisioning and failover technology, which is especially important for ensuring continuity in case of rare transient events in multi-messenger astronomy. The software architecture relies on ubiquitous tools and broadly adopted technologies and has been successfully tested on several operating systems.

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