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Integrated automation for configuration management and operations in the ATLAS online computing farm
/ Amirkhanov, Artem (Novosibirsk, IYF) ; Ballestrero, Sergio (Johannesburg U.) ; Brasolin, Franco (INFN, Bologna) ; Lee, Christopher Jon (Johannesburg U.) ; Du Plessis, Haydn Dean (Johannesburg U.) ; Mitrogeorgos, Konstantinos (Aristotle U., Thessaloniki) ; Pernigotti, Marco (CERN) ; Sanchez Pineda, Arturo Rodolfo (INFN, Udine ; Udine U.) ; Scannicchio, Diana Alessandra (UC, Irvine (main)) ; Twomey, Matthew Shaun (U. Washington, Seattle (main))
The online farm of the ATLAS experiment at the LHC, consisting of nearly 4000 PCs with various characteristics, provides configuration and control of the detector and performs the collection, processing, selection, and conveyance of event data from the front-end electronics to mass storage. [...]
ATL-DAQ-PROC-2018-038.
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2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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The ATLAS Data Acquisition and High Level Trigger system
/ Abolins, M (Michigan State U.) ; Abreu, R (CERN) ; Achenbach, R (Kirchhoff Inst. Phys.) ; Aharrouche, M (Mainz U., Inst. Phys.) ; Aielli, G (INFN, Rome ; Rome U., Tor Vergata) ; Al-Shabibi, A (CERN) ; Aleksandrov, I (Dubna, JINR) ; Alexandrov, E (Dubna, JINR) ; Allbrooke, B M (Birmingham U.) ; Aloisio, A (INFN, Naples ; Naples U.) et al.
/ATLAS TDAQ
This paper describes the data acquisition and high level trigger system of the ATLAS experiment at the Large Hadron Collider at CERN, as deployed during Run 1. Data flow as well as control, configuration and monitoring aspects are addressed. [...]
2016 - 153 p.
- Published in : JINST 11 (2016) P06008
IOP Open Access article: PDF;
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3.
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The ATLAS Trigger/DAQ Authorlist
/ ATLAS TDAQ Collaboration ; Achenbach, R (Kirchhoff-Institut f\"{u}r Physik) ; Adelman, J (Northern Illinois University) ; Aielli, G (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica) ; Aleksandrov, I N (Joint Institute for Nuclear Research) ; Alexandrov, E (Joint Institute for Nuclear Research) ; Alison, J (University of Chicago, Enrico Fermi Institute) ; Allbrooke, B M M (University of Birmingham) ; Aloisio, A (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Alonso, F (Universidad National de La Plata (UNLP)) et al.
This is the ATLAS Trigger/DAQ Authorlist, version 15.04 (April 01, 2015)..
ATL-DAQ-PUB-2015-001.
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2015.
Original Communication (restricted to ATLAS) - Full text
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Implementation and Performance of the ATLAS Trigger Muon "Vertical Slice"
/ Grancagnolo, S (Salento U. ; INFN, Lecce) ; Cataldi, G (Salento U. ; INFN, Lecce) ; Gorini, E (Salento U. ; INFN, Lecce) ; Primavera, M (Salento U. ; INFN, Lecce) ; Siragusa, G (Salento U. ; INFN, Lecce) ; Spagnolo, S (Salento U. ; INFN, Lecce) ; Ventura, A (Salento U. ; INFN, Lecce) ; Usai, G (Chicago U., EFI) ; Krasznahorkay, A (CERN) ; Tarem, Z (CERN) et al.
The ATLAS experiment at the Large Hadron Collider has a tigger system designed to keep high effiency for interesting events while achieving a rejection of low transverse momentum physics of about 10^7, thus reaching the ¬200 events/s storage capability of the Data Aquisition system. A three-levels structure has been implemented for this purpose, as described in this work for the case of the muon trigger system. [...]
- Published in : 10.1142/9789812819093_0079
In : 10th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications, Villa Olmo, Como, Italy, 8 - 12 Oct 2007, pp.456-460
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ATLAS TDAQ application gateway upgrade during LS1
/ KOROL, A (BINP - Novosibirsk) ; BALLESTRERO, S (University of Johannesburg) ; BOGDANCHIKOV, A (BINP - Novosibirsk) ; BRASOLIN, F (INFN Sezione di Bologna) ; CONTESCU, A C (CERN / University POLITEHNICA of Bucharest) ; DUBROV, S (BINP - Novosibirsk) ; HAFEEZ, M (University of Irvine, California) ; LEE, C J (CERN / University of Johannesburg) ; SCANNICCHIO, D A (University of Irvine, California) ; TWOMEY, M (CERN / University of Washington) et al.
The ATLAS Gateway service is implemented with a set of dedicated computer nodes to provide a fine-grained access control between CERN General Public Network (GPN) and ATLAS Technical Control Network (ATCN). ATCN connects the ATLAS online farm used for ATLAS Operations and data taking, including the ATLAS TDAQ (Trigger and Data Aquisition) and DCS (Detector Control System) nodes. [...]
ATL-DAQ-SLIDE-2014-054.-
Geneva : CERN, 2014 - 1 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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6.
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Design and Performance of the Virtualization Platform for Offline computing on the ATLAS TDAQ Farm
/ Ballestrero, S (Johannesburg U.) ; Batraneanu, S M (UC, Irvine) ; Brasolin, F (INFN, Bologna) ; Contescu, C (CERN ; Bucharest, Polytechnic Inst.) ; Di Girolamo, A (CERN) ; Lee, C J (Johannesburg U. ; CERN) ; Pozo Astigarraga, M E (CERN) ; Scannicchio, D A (UC, Irvine) ; Twomey, M S (Washington State U.) ; Zaytsev, A (Brookhaeven Natl. Lab.)
With the LHC collider at CERN currently going through the period of Long Shutdown 1 (LS1) there is a remarkable opportunity to use the computing resources of the large trigger farms of the experiments for other data processing activities. [...]
ATL-DAQ-PROC-2013-021.
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2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7.
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Design and Performance of the Virtualization Platform for Offline computing on the ATLAS TDAQ Farm
/ Ballestrero, S (University of Johannesburg, South Africa) ; Batraneanu, S M (University of California, Irvine, USA) ; Brasolin, F (Istituto Nazionale di Fisica Nucleare Sezione di Bologna, Italy) ; Contescu, C (CERN and Polytechnic University of Bucharest, Romania) ; Di Girolamo, A (CERN IT Experiment Support Group (CERN IT ES)) ; Lee, C J (CERN and University of Johannesburg, South Africa) ; Pozo Astigarraga, M E (CERN) ; Scannicchio, D A (University of California, Irvine, USA) ; Twomey, M S (University of Washington Department of Physics, USA) ; Zaytsev, A (Brookhaeven National Laboratory (BNL), USA)
With the LHC collider at CERN currently going through the period of Long Shutdown 1 (LS1) there is a remarkable opportunity to use the computing resources of the large trigger farms of the experiments for other data processing activities. In the case of ATLAS experiment the TDAQ farm, consisting of more than 1500 compute nodes, is particularly suitable for running Monte Carlo production jobs that are mostly CPU and not I/O bound. [...]
ATL-DAQ-SLIDE-2013-814.-
Geneva : CERN, 2013 - 1 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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8.
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The ATLAS Trigger/DAQ Authorlist
/ Abreu, R (CERN) ; Achenbach, R ; Aielli, G ; Aleksandrov, I N ; Alexandrov, E ; Allbrooke, B ; Aloisio, A ; Alonso, F ; Alvarez Gonzalez, B ; Alviggi, M G et al.
This is the ATLAS Trigger/DAQ Authorlist, version 13.05 (May 30, 2013)..
ATL-DAQ-PUB-2013-001.
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2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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Centralized configuration system for a large scale farm of network booted computers
/ Ballestrero, S (Johannesburg U. ; CERN) ; Brasolin, F (INFN, Bologna) ; Darlea, G-L (Bucharest, Polytechnic Inst. ; CERN) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Scannicchio, D A (UC, Irvine) ; Twomey, M S (Washington U. ; CERN) ; Valsan, M L (CERN) ; Zaytsev, A (Novosibirsk, IYF)
In the ATLAS Online computing farm, the majority of the systems are network booted - they run an operating system image provided via network by a Local File Server. [...]
ATL-DAQ-PROC-2012-026.
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2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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10.
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Tools and strategies to monitor the ATLAS online computing farm
/ Ballestrero, S (Johannesburg U. ; CERN) ; Brasolin, F (INFN, Bologna) ; Darlea, G L (Bucharest, Polytechnic Inst. ; CERN) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Scannicchio, D A (UC, Irvine) ; Twomey, M S (Washington U. ; CERN) ; Valsan, M L (CERN) ; Zaytsev, A (Novosibirsk, IYF)
In the ATLAS experiment the collection, processing, selection and conveyance of event data from the detector front-end electronics to mass storage is performed by the ATLAS online farm consisting of nearly 3000 PCs with various characteristics. [...]
ATL-DAQ-PROC-2012-014.
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2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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