The commissioning of CMS sites: improving the site reliability

The computing system of the CMS experiment works using distributed resources from more than 60 computing centres worldwide. These centres, located in Europe, America and Asia are interconnected by the Worldwide LHC Computing Grid. The operation of the system requires a stable and reliable behaviour...

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Detalles Bibliográficos
Autores principales: Belforte, S, Fisk, I, Hernández, J M, Klem, J, Letts, J, Magini, N, Saiz, P, Sciabá, A, Flix, J
Lenguaje:eng
Publicado: 2009
Materias:
Detectors and Experimental Techniques
Acceso en línea:https://dx.doi.org/10.1088/1742-6596/219/6/062047
http://cds.cern.ch/record/1196146
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author Belforte, S
Fisk, I
Hernández, J M
Klem, J
Letts, J
Magini, N
Saiz, P
Sciabá, A
Flix, J
author_facet Belforte, S
Fisk, I
Hernández, J M
Klem, J
Letts, J
Magini, N
Saiz, P
Sciabá, A
Flix, J
author_sort Belforte, S
collection CERN
description The computing system of the CMS experiment works using distributed resources from more than 60 computing centres worldwide. These centres, located in Europe, America and Asia are interconnected by the Worldwide LHC Computing Grid. The operation of the system requires a stable and reliable behaviour of the underlying infrastructure. CMS has established a procedure to extensively test all relevant aspects of a Grid site, such as the ability to efficiently use their network to transfer data, the functionality of all the site services relevant for CMS and the capability to sustain the various CMS computing workflows at the required scale. This contribution describes in detail the procedure to rate CMS sites depending on their performance, including the complete automation of the program, the description of monitoring tools, and its impact in improving the overall reliability of the Grid from the point of view of the CMS computing system.
id cern-1196146
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2009
record_format invenio
spelling cern-11961462019-09-30T06:29:59Zdoi:10.1088/1742-6596/219/6/062047http://cds.cern.ch/record/1196146engBelforte, SFisk, IHernández, J MKlem, JLetts, JMagini, NSaiz, PSciabá, AFlix, JThe commissioning of CMS sites: improving the site reliabilityDetectors and Experimental TechniquesThe computing system of the CMS experiment works using distributed resources from more than 60 computing centres worldwide. These centres, located in Europe, America and Asia are interconnected by the Worldwide LHC Computing Grid. The operation of the system requires a stable and reliable behaviour of the underlying infrastructure. CMS has established a procedure to extensively test all relevant aspects of a Grid site, such as the ability to efficiently use their network to transfer data, the functionality of all the site services relevant for CMS and the capability to sustain the various CMS computing workflows at the required scale. This contribution describes in detail the procedure to rate CMS sites depending on their performance, including the complete automation of the program, the description of monitoring tools, and its impact in improving the overall reliability of the Grid from the point of view of the CMS computing system.CMS-CR-2009-089oai:cds.cern.ch:11961462009-05-13
spellingShingle Detectors and Experimental Techniques
Belforte, S
Fisk, I
Hernández, J M
Klem, J
Letts, J
Magini, N
Saiz, P
Sciabá, A
Flix, J
The commissioning of CMS sites: improving the site reliability
title The commissioning of CMS sites: improving the site reliability
title_full The commissioning of CMS sites: improving the site reliability
title_fullStr The commissioning of CMS sites: improving the site reliability
title_full_unstemmed The commissioning of CMS sites: improving the site reliability
title_short The commissioning of CMS sites: improving the site reliability
title_sort commissioning of cms sites: improving the site reliability
topic Detectors and Experimental Techniques
url https://dx.doi.org/10.1088/1742-6596/219/6/062047
http://cds.cern.ch/record/1196146
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