r4 - 25 Aug 2009 - 13:43:07 - KaushikDeYou are here: TWiki >  Admins Web > MinutesDataManageAug25



Minutes of the US ATLAS Data Management meeting, Aug 25, 2009
  • Previous meetings and background : IntegrationProgram
  • Coordinates: Tuesdays, Noon Central
    • (309) 946-5300, Access code: 735188; Dial *6 to mute/un-mute.


  • Meeting attendees: Armen, Charles, Bob, Hiro, John, Wei, Patrick, Wensheng
  • Apologies: Pedro
  • Guests:

Topics for this week

  • Storage status - Armen
    • Tier 1 looks good (130-140 TB each DATA & MCDISK). Have 750 TB spare. Plus some more.
    • Filling up MCDISK at BNL @ ~20TB/week
    • Tier 2 reporting now working for all sites except NET2. John will look into it.
    • AGLT2 is 98% full - Bob will look into creating/cleaning more space for MCDISK
  • Dataset consistency - Charles
    • pnfs and chimera versions working well
    • xfrootd and posix versions coming soon
  • Data corruption during transfer to Tier 2
    • AGLT2, MWT2 seeing some jobs failing due to files corrupted during transfer (they have bad checksum)
    • DQ2 SS at most US sites is checking after transfer (using Hiro's code - but not same retry policy everywhere)
    • Pandamover does not check after transfer (Kaushik will follow up with Tadashi, Rob)
    • Charles iw writing checksum tool (to check all sits at site, slowly)
  • Hot issues
  • AOB
    • Hiro is helping Wisc with file cleaning issues

-- KaushikDe - 25 Aug 2009

About This Site

Please note that this site is a content mirror of the BNL US ATLAS TWiki. To edit the content of this page, click the Edit this page button at the top of the page and log in with your US ATLAS computing account name and password.


Powered by TWiki
This site is powered by the TWiki collaboration platformCopyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback