Agenda

• Budget and Production cluster
  • Check on invoices
  • Production order deliveries complete
  • Several minor issues
    • 10gbit Fiber card availability
    • Original Cisco switch was untraceable restock from China, since replaced.
• Schedule
  • Back on original schedule
  • Production cluster should be assembled by July 13th and fully functional by first week of August as planned
  • Walter to visit USNO July 18th to 20th
• Last meeting items
  • NRAO to send power and heat load estimate to USNO
    • Concerned about 240v 20amp circuits and new high end node current draw, may need 4th circuit.
    • Quick/dirty calculation, 35 nodes at 250W = 8750W = ~30K BTU = 2.5 Tons cooling (note assumes 110V power).
  • USNO will send any Security policies we need to accommodate
    • May need to sign some paper work for ssh access
    • USNO Meeting with local IT, should know final answers next week
  • USNO to send floor plan
• DiFX install script
  • Go over concepts, choices
  • NRAO to ship IPP licenses shipped to USNO

Discussion

• Shipping logistics
  • Cluster will be shipped wired but with compute nodes removed.
  • Targetting first week of September, James to arrive just after cluster for re-assembly
• Networking
  • Need specific addresses ranges in 10.1.33.0/24 space and 10.1.35/0/24 space DONE
  • Need specific addresses in 198.116.24.0/24 space
  • For the internal 10.1.34.0/24 space is it ok if we make a dummy DNS domain
    • USNO to be authorative
  • NRAO to send router rule needs
  • Mark5's will mount /home/difx from infrastructure nodes over gbit network
  • Need to order QSFP to SFP (1 to 4) break out cable for SAN-1 to Difx connection, 5meter limit
    • NRAO to order both
  • External access to secondary devices may be needed
• Miscellaneous
  • What timezone should the servers be set for ? UTC, ET or other.
    • Use eastern time
• Phase II discussion while Walter at USNO