CDWG Minutes 2013-03-27

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  • Discuss CDWG's LUG talk topics
  • 2.4 Testing status
  • Roadmap update


  • Cori Spitz (Cray)
  • Peter Jones (Intel)
  • Nic Henke (Cray)
  • Terri Quinn (LLNL)
  • Chris Morrone (LLNL)
  • Stephen Simms (IU)
  • Kevin Canady (Xyratex) (at end)


CDWG's LUG talk

We discussed general outline of the presentation, and topics to cover. Agreed that we need to have a call again next week to go over draft of slides. Chris to have first draft of slides ready by then.

Some of the suggestions:

  • Make sure to talk about 2.5
  • Explain contract clearly, lots of confusion about it in the past
  • Update on the community development efforts
  • Encourage testing, emphasize benefit of this contribution



  • LLNL testing pre-2.4 on Sequoia's filesystem, 2.4 clients (ppc64 and x86_64), servers running 2.4 with ZFS. 2.4 ldiskfs testing hopefully begins within a week
  • Cray - Stability is reasonable, testing focus moving to performance. Many 2.X client performance problems compared to 1.8 client. Lots of direct-IO testing. Also testing together with ORNL on Titan.