Control and monitoring of on-line trigger algorithms using a SCADA system

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LHCb [1] has an integrated Experiment Control System (ECS) [2], based on the commercial SCADA system PVSS [3]. The novelty of this approach is that, in addition to the usual control and monitoring of experimental equipment, it provides control and monitoring for software processes, namely the on-lin...

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Autores principales: van Herwijnen, E, Abadie, L, Barczyk, A, Damodaran, B, Frank, M, Gaidioz, B, Gaspar, C, Jacobsson, R, Jost, B, Neufeld, N, Bonifazi, F, Callot, O, Lopes, H
Lenguaje:eng
Publicado: 2006
Materias:
Computing and Computers
Acceso en línea:http://cds.cern.ch/record/1442984
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author van Herwijnen, E
Abadie, L
Barczyk, A
Damodaran, B
Frank, M
Gaidioz, B
Gaspar, C
Jacobsson, R
Jost, B
Neufeld, N
Bonifazi, F
Callot, O
Lopes, H
author_facet van Herwijnen, E
Abadie, L
Barczyk, A
Damodaran, B
Frank, M
Gaidioz, B
Gaspar, C
Jacobsson, R
Jost, B
Neufeld, N
Bonifazi, F
Callot, O
Lopes, H
author_sort van Herwijnen, E
collection CERN
description LHCb [1] has an integrated Experiment Control System (ECS) [2], based on the commercial SCADA system PVSS [3]. The novelty of this approach is that, in addition to the usual control and monitoring of experimental equipment, it provides control and monitoring for software processes, namely the on-line trigger algorithms. Algorithms based on Gaudi [4] (the LHCb software framework) compute the trigger decisions on an event filter farm of around 2000 PCs. Gaucho [5], the GAUdi Component Helping Online, was developed to allow the control and monitoring of Gaudi algorithms. Using Gaucho, algorithms can be monitored from the run control system provided by the ECS. To achieve this, Gaucho implements a hierarchical control system using Finite State Machines. In this article we describe the Gaucho architecture, the experience of monitoring a large number of software processes and some requirements for future extensions.
id cern-1442984
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2006
record_format invenio
spelling cern-14429842019-09-30T06:29:59Zhttp://cds.cern.ch/record/1442984engvan Herwijnen, EAbadie, LBarczyk, ADamodaran, BFrank, MGaidioz, BGaspar, CJacobsson, RJost, BNeufeld, NBonifazi, FCallot, OLopes, HControl and monitoring of on-line trigger algorithms using a SCADA systemComputing and ComputersLHCb [1] has an integrated Experiment Control System (ECS) [2], based on the commercial SCADA system PVSS [3]. The novelty of this approach is that, in addition to the usual control and monitoring of experimental equipment, it provides control and monitoring for software processes, namely the on-line trigger algorithms. Algorithms based on Gaudi [4] (the LHCb software framework) compute the trigger decisions on an event filter farm of around 2000 PCs. Gaucho [5], the GAUdi Component Helping Online, was developed to allow the control and monitoring of Gaudi algorithms. Using Gaucho, algorithms can be monitored from the run control system provided by the ECS. To achieve this, Gaucho implements a hierarchical control system using Finite State Machines. In this article we describe the Gaucho architecture, the experience of monitoring a large number of software processes and some requirements for future extensions.LHCb-PROC-2006-006CERN-LHCb-PROC-2006-006oai:cds.cern.ch:14429842006-02-17
spellingShingle Computing and Computers
van Herwijnen, E
Abadie, L
Barczyk, A
Damodaran, B
Frank, M
Gaidioz, B
Gaspar, C
Jacobsson, R
Jost, B
Neufeld, N
Bonifazi, F
Callot, O
Lopes, H
Control and monitoring of on-line trigger algorithms using a SCADA system
title Control and monitoring of on-line trigger algorithms using a SCADA system
title_full Control and monitoring of on-line trigger algorithms using a SCADA system
title_fullStr Control and monitoring of on-line trigger algorithms using a SCADA system
title_full_unstemmed Control and monitoring of on-line trigger algorithms using a SCADA system
title_short Control and monitoring of on-line trigger algorithms using a SCADA system
title_sort control and monitoring of on-line trigger algorithms using a scada system
topic Computing and Computers
url http://cds.cern.ch/record/1442984
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