LHCb Core Software Meeting

Date and Location

25 Jun 2014
10:30 - 11:20
CERN (2-R-030)


Ben Couturier, Gloria Corti, Illya Shapoval, Joel Closier, Liang Sun, Marco Cattaneo, Marco Clemencic (minutes), Markus Frank, Sebastien Binet (Vidyo), Sofia Qiriazi, Valentin Comte



Round Table

Marco Cl.

  • Gaudi relaese plans
    • LCGCMT 69 waiting for tags of COOL and CORAL
  • Wrote small script to convert text with ANSI terminal color codes to HTML (needed for clang output).
  • There is a VM-based test distcc cluster we need to test.

Joel: had a problem with a VM, but it was impossible to debug because of issues on the host


  • Investigating why CVMFS cache is cleaned at every reboot (problem in Online)
  • New release of LbScripts in dev
    • new interface to the Software Configuration Database
    • simplified declaration of projects to be released (automatically picked up by special nightly scripts)
  • Sofia prepared a modified version of the dashboard: https://buildlhcb.cern.ch/nightlies-release/

Marco Ca.: the new procedure should be added to the release manager instructions.

Comments about the new dashboard:

  • the managers should be able to rebuild
  • the rebuild should not overwrite the previous build

Joel: with the new LbScripts we also have the EOS_HOME variable set


  • Restarted Jenkins activities for LHCbDirac (the knowledge was lost and it is being reconstructed)
  • We now have more Puppet profiles

Marco Ca.

  • Used the Service Now deployment page
    • the notification scheme is not satisfactory
    • the workflow it too simplistic


  • Need to create some global tags for SIMCOND (for 2010). Discussing with Gloria.
  • Will have to check with Illya how to proceed with Ariadne.


  • Still pending issues with Geant4 and LCGCMT 68
  • Paul is preparing instructions to build and use Geant4 10
  • Discussion of new production workflow (requiring development in LHCbDirac)


  • Prepared the special dashboard for the new release procedure
    • pending minor changes


  • New release last week... seems to work for the commissioning week


  • Working on a lbpkr (tool to handle the LHCb RPM packages)
    • normal RPM handling: list, install, remove, ...
    • can self-update via RPM
  • Benedikt installed go-lang in the contrib area.

-- MarcoClemencic - 25 Jun 2014

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