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SAM Experiment Availability Reports & SAM decomissioning status

This report outlines the status of experiments migrated to ACE as of February 1, 2012, highlighting the flexibility of ACE, its computation algorithms, and topology definitions. It details the impact of these changes on monthly availability reports for various experiments, including ALICE, ATLAS, CMS, and LHCb. The document also addresses topology sources, site naming conventions, and historical data presentation. Monthly reports will present changes in topology and site availability, with the Q1 report scheduled for release in April 2012.

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SAM Experiment Availability Reports & SAM decomissioning status

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  1. SAM Experiment Availability Reports &SAM decomissioning status Wojciech Lapka IT-GT-TOM WLCG Management Board, 20th March 2012

  2. Status • Experiments migrated to ACE • 1st February 2012 • ACE - flexibility • Computation algorithm • Topology definition • Impact on monthly availability reports 2

  3. Experiments - Topology sources • Topology provided to SAM by VO feed • ALICE • AliEn LDAP server • ATLAS • ATLAS Grid Information SYstem (AGIS) • CMS • CMS SiteDB • LHCb • Dirac 3

  4. Monthly Reports - changes • Topology • Site Naming • Historical data Presentation Title - 4

  5. Topology SITE_1 SITE_2 s1 s2 s3 s4 s1 s2 s3 s4 s5 s6 s7 s5 s6 s7 s8 sn s8 sn LOGICALSITE 5

  6. CERN-PROD: OPS 6

  7. CERN-PROD: ALICE 7

  8. CERN-PROD: ATLAS 8

  9. CERN-PROD: CMS 9

  10. Site Naming: LHCb 10

  11. Historical availabilities • February reports: • https://espace.cern.ch/WLCG-document-repository/ReliabilityAvailability/Tier-1/2012/tier1_reliab_0212/ • Q1 report (April) will show data for last 3 months 11

  12. SAM Decomissioning Status 12

  13. 2011 • WLCG MB, 8th February 2011 13

  14. Last chance to see old SAM UI Questions? 14

  15. 15

  16. MyWLCG 16

  17. Apero 17

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