OWG Meeting 4-Dec-2013

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Video Conferencing

We will be connected via ESnet using the standard GlueX number: 8542553


Agenda

*** Turn on conference equipment ***

  • Announcements
    • Network down because switch unplugged!
  • Review of minutes from 20-Nov-2013 meeting
  • CODA3 Release - Graham, Dave A
  • Policies for Using Online Directories and Accounts - Dave L, Mark D, Elliott
  • Terminal servers and ROC setup - Bryan, Hovanes, Mark D
    • boot messages
    • BIOS access
    • remote mods vs bringing ROC upstairs
    • ordering cables and connectors, custom connectors for XVB601 controller consoles
    • ts_connect, kernel drivers and where to install, etc.
  • Spring 2014 Online Data Challenge - Mark D, Dave L, Elliott
  • What should we use as the standard GCC compiler for the online cluster? - Hovanes, Dave L, Elliott
    • single default? setup script? something else?
  • Farm Manager - Vardan, Dave L, Elliott
  • DAQ testing status - Mark D, Dave A
  • Trigger and FCAL testing status - Alex S, John L, Mark D
  • Telecom fiber installation status - Elliott
  • Trigger fiber installation schedule - Chris C
  • RootSpy - Sean
  • Online databases - Elliott, Dmitry
    • what level of unification is possible?
    • CCDB, conDB, trigDB, translation table, SiPM, EPICS/Nerses, etc.
  • JInventory database update - Elliott, Serguei P
    • FCAL, BCAL/SiPM, FDC, etc.
  • EPICS update - Hovanes, Vanik
    • Alarm system, HV/LV, etc.
  • Controls update - Dave B, Elliott
    • FCAL darkroom, BCAL, Gas system, CDC, PS, solenoid, etc.
  • DAQ group status reports - Bryan M, Dave A, Graham, Carl, Vardan
    • GIT, EVIO, cMsg, CODA3, ECS/CSS, disentangler, readout list, Java/cMsg GUI
  • Electronics and trigger status reports - Chris, Alex, Fernando, Ben, Ed, William, Bryan M
  • Mantis Task Tracker
  • Midas Elog


  • Upcoming topics
    • raw data, compressed vs uncompressed
    • Calibration/Alignment issues?
    • Status of processing uncompressed and compressed simulated raw data and monitoring/L3 farm - Dave L, Elliott
    • Ed to talk more on FPGA programming


Time/Location

1:30 PM Wed 4-Dec-2013 CC F326


Announcements

Next Meeting

1:30 PM Wed 18-Dec-2013 CC F326


Minutes

Present: Elliott W, Bryan M, Curtis M, Dave L, Mark I, Graham H, Elton S, Sean D, Justin S, Yi Q, Eugene C, Simon T, Hovanes E, Serguei P, Mark D, Beni Z, Dave A, Vanik K.


CODA 3.0

Dave A said that a release should be installed by the end of the week, although a few patches might be expected for this developing software system. This led to a discussion of when to patch a release and when to create a new release, with a major concern being the stability of releases for others using it. The discussion ended without a clear strategy other than to see how things go. This first release will be make by hand by Dave from the DAQ group svn repository, he will eventually automate the procedure. Other questions were how to back out of an update to a release, will the different halls get different patches, compiler version conflicts, are global svn tags needed in the DAQ group svn repository and should branches be used. Most of these were not resolved.


Online Policies

Elliott presented and GlueX adopted the policies in the link above. These relate to how accounts are used and what should be done in them, who should have sudo privileges, ability to edit DNS entries, etc.


Terminal Servers

Bryan and Dave strongly advised using terminal servers to connect to the ROC serial port. Hovanes previously ordered about 9 servers that Elliott and Serguei will install in the hall. Serial connections can be used to view console output, boot messages, to edit the BIOS (Bryan has to enable this). We will try to use the tsconnect package successfully used in CLAS, which requires installation of a special kernel driver on selected computers. Elliott and/or Serguei will order required parts and connectors, Paul L will be asked to install the driver.


Data Challenge