r2 - 06 Jul 2010 - 14:27:52 - MichaelErnstYou are here: TWiki >  Admins Web > MinutesDataManageJul6

MinutesDataManageJul6

Introduction

Minutes of the US ATLAS Data Management meeting, July 6, 2010
  • Previous meetings and background : IntegrationProgram
  • Coordinates: Tuesdays, Noon Central
    • (605) 715-4900, Access code: 735188; Dial *6 to mute/un-mute.

Attending

  • Meeting attendees: Armen, Bob, John, Saul, Rob, Patrick, Wei, Charles, Michael
  • Apologies:
  • Guests:

Topics for this week

  • PD2P Status - Kaushik
    • 877 subscriptions so far, 598 of which went to MCDISK, 279 to DATADISK
    • subscriptions by token:
38 AGLT2_DATADISK
162 AGLT2_MCDISK
66 MWT2_UC_MCDISK
81 NET2_DATADISK
137 NET2_MCDISK
62 SLACXRD_DATADISK
94 SLACXRD_MCDISK
99 SWT2_CPB_DATADISK
139 SWT2_CPB_MCDISK
    • only 5 datasets subscribed to more than 1 site: 4 of them MC, 1 data
    • popularity of 1 data dataset copied twice: 130,700 file requests (dataset contains 2917 files) DQ2 Popularity page link
  • Space status - Armen
    • All sites look good, including BNL
    • Michael - additional 1.8 PB storage space (DDN) at the Tier-1 available to ATLAS now, and even more NexSan? (20 units providing 64 TB usable space each) by end of July or early August
    • Wei - discussions with Stephane to make more space for GROUPDISK, have 80 TB free now, ordered new disks (there will some major reorganizations)
    • Armen - need to discuss automatic deletion and quota systems with ADC during software week
    • Saul - will be down thursday to add more space, 360 TB; SRM reporting is wrong because got dropped from ATLAS VO friday
    • Bob - some reorganizations, 5 TB added
  • USERDISK deletions - Hiro
    • Everything before April 1 will be deleted soon
  • Hot issues
  • AOB
    • Action item - Hiro looking for dark files on MCDISK and DATADISK at BNL.
    • Action item - Need to automatically delete empty datasets older than 2 weeks - Charles will look into making script. Working on it, and other ccc issues.
    • Action item - Kaushik will follow up on topic of making all US sites consistent with long/short names in LFC.


-- KaushikDe - 06 Jul 2010

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