RAL Tier1 Experiments Liaison Meeting

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Covers all aspects of the Tier1. Meeting access information is available from Indico. Previous special presentations can be found here.


Chairman: Martin Bly

Secretary: Andrew Lahiff

  1. Summary of Operational Status and Issues
  2. Highlights/summary of the Tier1 Monday operations meeting.
    • Grid Services
    • Fabric
    • CASTOR
    • Other
  3. Experiment plans and operational issues
    • CMS
    • ATLAS
    • LHCb
    • ALICE
    • Others
  4. Special topics/presentations (agreed in advance)
    • None
  5. Actions
  6. Highlights for Operations Bulletin Latest
  7. AoB
    • Minutes from this meeting?

Open Actions

Action ID Priority Experiment(s) Owner Action Status
20161109-01 NORMAL CMS Lahiff Document how to get warnings of CMS' impending tape family requirements
20160406-01 Normal N/A Smith Tidy up pool accounts from VOs no longer supported
20151014-01 Normal LHCB Rob Appleyard LHCb Writes from WN to Castor failing , and then also failing to other sites To be revisited when CASTOR 2.1.15 is in production

Completed Actions

Archives of actions completed can be found at:

Action ID Priority Experiment(s) Owner Action Status Completed date
20150923-01 Normal All non-LHC Brian Investigate mitigation to prevent FTS transfers from one non-LHC VO from affecting other due to the use a shared CASTOR instance - Able to set limits for each VO srm endpoint , need to decide and suitable values and implement. Done 2016-01-13
20160210-01 Normal CMS Davies/Lahiff Discuss CMS tape families for 2016 Done 2016-02-07
20151111-02 Normal N/A Smith/Bly Investigate format and scope of meeting Done 2016-05-04
20151111-01 Normal N/A Andrew Lahiff To Register how many/which VOs are attending this meeting Closed 2016-05-04
20151009-02 Normal CMS Andrew Lahiff Is it preferable to have "non-routable file" callout switched to work daytime only or to create a Default "catch all Tape Pool for CMS Done 2016-12-07
20161109-02 NORMAL CMS Appleyard Document procedure for adding (and retro-fitting) CMS tape families Done 2016-12-21
20151009-01 Normal CMS Rob Appleyard Ensure Documentation for creating tape pool up to date Done 2016-12-07