VEGAS Team Meeting

June 04, 2012



  • Dan Werthheimer
  • Jayanth Chennamangalam
  • Glenn Jones
  • Mei Jun


  • Jason Ray
  • Marty Bloss
  • Anish Roshi
  • Ray Creager
  • John Ford
  • Galen Watts
  • Richard Prestage
  • Mark Whitehead
  • Joe Masters

Meeting Notes:

Next Teleconference: July 02. 2012 anyone around?

Observation Status:

No discoveries to report as analysis continues

VEGAS Mode Development Status:

Mode 13 - basic design that creates data ready for tests but local roach problems. # filters - single subband with four filters. File system problem - could copy one from NRAO systems.

NRAO has identified config problem with all roach resolve.comp file points to non-existed domain which can impair SSH connection creation. John to notify casper list with how-to-fix, someone

Testing Status:

Mainly trying to get manager straightened out so it starts properly every time. Also looking at core arming.

Ready for next round of NRAO tests

scheduled for 20th

load infiniband stack on the HPC machines and rerun data rate tests

Other items:

Hardware procurement plans and schedules:

Project Milestones
  • Milestones Flow Chart
  • Roach-II status ~6 weeks for production boards. ~1 August.
  • ADC status Due in Late July (assembled and tested boards)
  • Backend pipeline processor/disk subsystem (power and HVAC reqs.) meet w/chris (~1 July). joe to circulate latest design for review. just for pipeline processing & SDFits Daemon? Generally, the rest will be on other machines due for replacement under non-VEGAS projects
  • test machine arrival date? Dan to check.

use north to test pipeline in Sept

Budgeting -

-- MartyBloss - 2012-06-18
Topic revision: r1 - 2012-06-18, MartyBloss
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