| Title: |
The CMS data transfer test environment in preparation for LHC data taking |
| Authors: |
Bagliesi, Giuseppe; Magini, Nicolò; Bauerdick, Lothar A T L.; Fisk, Ian; Rossman, Paul; Wu, Yuping; Belforte, Stefano; Bloom, Kenneth; Bockelman, Brian; Bonacorsi, Daniele; Sartirana, Andrea; Brew, Chris A J C.; D'Hondt, Jorgen; Maes, Jan Willem; Van Mulders, Petra; Egeland, Ricky; Elgammal, Sherif; Fassi, Farida; Pukhaeva, Nelli; Flix, Josep; Hernández, José Manuel; Kadastik, Mario; Sõnajalg, S.; Klem, Jukka; Kodolova, Olga; Kuo, Chiaming C.M.; Letts, James; Wiirthwein, F.; Metson, Simon; Piedra, Jónatan; Ge, Qing; Shih, Jason; Teodoro, Douglas; Trunov, Artem; Tuura, Lassi; Wildish, Tony |
| Source: |
IEEE Nuclear Science Symposium conference record |
| Publisher Information: |
2008 |
| Document Type: |
Electronic Resource |
| Abstract: |
The CMS experiment is preparing for LHC data taking in several computing preparation activities. In distributed data transfer tests, in early 2007 a traffic load generator infras-tructure was designed and deployed, to equip the WLCG Tiers which support the CMS Virtual Organization with a means for debugging, load-testing and commissioning data transfer routes among CMS Computing Centres. The LoadTest is based upon PhEDEx as a reliable, scalable dataset replication system. In addition, a Debugging Data Transfers (DDT) Task Force was created to coordinate the debugging of data transfer links in the preparation period and during the Computing Software and Analysis challenge in 2007 (CSA07). The task force aimed to commission most crucial transfer routes among CMS tiers by designing and enforcing a clear procedure to debug problematic links. Such procedure aimed to move a link from a debugging phase in a separate and independent environment to a production environment when a set of agreed conditions are ach eved for that link. The goal was to deliver one by one working transfer routes to Data Operations. The experiences with the overall test trans-fers infrastructure within computing challenges - as in the WLCG Common-VO Computing Readiness Challenge (CCRC'08) - as well as in daily testing and debugging activities are reviewed and discussed, and plans for the future are presented. ©2008 IEEE.; SCOPUS: cp.p; info:eu-repo/semantics/published |
| Index Terms: |
Isotopes et éléments radioactifs; Physique atomique et nucléaire; Imagerie médicale, radiologie, tomographie; info:eu-repo/semantics/article; info:ulb-repo/semantics/articlePeerReview; info:ulb-repo/semantics/openurl/article |
| URL: |
http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/203145; http://worldcat.org/search?q=on:EQY+http://difusion-oai.ulb.ac.be/oai/request+DCG_ENTIRE_REPOSITORY+CNTCOLL |
| Availability: |
Open access content. Open access content |
| Note: |
No full-text files; English |
| Other Numbers: |
EQY oai:dipot.ulb.ac.be:2013/203145; uri/info:doi/10.1109/NSSMIC.2008.4775085; uri/info:scp/67649215180; 915533154 |
| Contributing Source: |
UNIVERSITE LIBRE DE BRUXELLES; From OAIster®, provided by the OCLC Cooperative. |
| Accession Number: |
edsoai.ocn915533154 |
| Database: |
OAIster |