r3 - 04 Oct 2011 - 13:36:23 - KaushikDeYou are here: TWiki >  Admins Web > MinutesDataManageOct4



Minutes of the US ATLAS Data Management meeting, October 4, 2011
  • Previous meetings and background : IntegrationProgram
  • Coordinates: Tuesdays, Noon Central
    • (570) 310-0130, Access code: 735188; Dial *6 to mute/un-mute.


  • Meeting attendees: Patrick, Saul, Dave, Bob, Armen, Hiro, Wensheng, Rob, Shawn
  • Apologies:
  • Guests:

Topics for this week

  • Storage status - Armen
    • Looks fine. Some dark data issues being followed up.
  • Central deletion - Armen
  • USERDISK cleanup - Hiro
    • Tier 2 deletions from 3 weeks ago are all done, except NET2.
    • BNL USERDISK deletions are still waiting for DATADISK deletions to finish. 3 week backlog? 350 TB waiting.
    • The next cleanup will happen Oct 17th. Approximately once a month. Estimated volume:
      • AGLT2: 1.3M files/ 67TB
      • BNL: 2.5M files / 199TB
      • ILLINOISHEP 75K files / 0.14TB
      • MWT2: 910K files / 23 TB
      • NET2: 270K files / 13TB
      • SLACXRD: 284K files / 15TB
      • SWT2CPB? : 250K files / 12TB
  • Hot issues
    • BNLPANDA, BNLDISK token removed? Done.
    • ACL issues at NET2? Went away with new version of deletion program. But new errors showed up at AGLT2. And again at NET2 this weekend, briefly.
    • Errors at Wisc. Armen/Hiro will contact them. Tier 3's need to be responsible.
  • AOB
    • Making USERDISK deletions more automatic.
      • Hiro will automate scanning of data, to be daily. Done. All USERDISK's now scanned every 4-12 hours.
    • Tier 3 consistency reports - who and how fixes them?

-- KaushikDe - 03 Oct 2011

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