Agenda

• Budget
  • All test cluster components ordered, all arrived except Mark5 units
  • On budget
• Schedule
  • Test rack fully assembled and benchmarks done by May 25
  • Diskless client boot working
  • Infrastructure servers installed, working on DNS/DHCP to support processing node boot
  • Begin benchmarks next week
  • USNO Visit Last week of May if possible (Week of May 29th-June2nd) Wed 30th
• Last meeting items
  • NRAO to set up mailing list and send WIKI access instructions DONE
  • USNO to send likely IP ranges for final cluster, NRAO will use for test cluster DONE
    • Using 10.1.34.0/24 for processing nodes
    • Is this IP space for correlator use only or are other devices on this network ?
  • USNO to send Mark5 10gbit connector type which drives switch SFP+ module selection DONE
  • NRAO to send power and heat load estimate to USNO
    • Still waiting on benchmarks runs to fully load nodes
    • Quick/dirty calculation, 35 nodes at 250W = 8750W = ~30K BTU = 2.5 Tons cooling (note assumes 110V power).
  • NRAO will look at cross compiling 32bit Difx DROP
  • USNO will send any Security policies we need to accommodate
  • USNO to answer question about contract requirement inspection of supplies record keeping above
  • USNO to send floor plan

Discussion

• Documentation
  • We're starting to flesh out the documentation for infrastructure type items. In coming weeks we'll have something USNO can poke holes at.
  • Documentation is here: https://safe.nrao.edu/wiki/bin/view/HPC/UsnoProjectBook
• Networking
  • I'll create a reasonable network diagram and explanation in coming weeks.
  • I'd like to get a direct contact for questions regarding the internal networking at USNO rather than rely on monthly meetings. (David and Nicole)
• Power
  • AOC only has 30A/110V power, USNO needs 20A/220V power. We'll look into getting separate PDUs and swap them out prior to shipping