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WLCG Operations TEG – WG3

WLCG Operations TEG – WG3. Stefan Roiser IT/ES/VOS. Outline. Three areas of WG3 Software Management Configuration Management Deployment Management One slide per area for Improvement Areas Potential efficiency gains. Software Management. Improvement Areas.

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WLCG Operations TEG – WG3

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  1. WLCG Operations TEG – WG3 Stefan Roiser IT/ES/VOS

  2. Outline • Three areas of WG3 • Software Management • Configuration Management • Deployment Management • One slide per area for • Improvement Areas • Potential efficiency gains WLCG Operations TEG - Stefan Roiser

  3. Software Management

  4. Improvement Areas (Impact: 10 – Preventing operations; 5 – significant waste of effort; 1 – inconvenient) WLCG Operations TEG - Stefan Roiser

  5. Potential efficiency gains • Faster turnaround for grid middleware • Eg. deployment in a virtual machine with contextualization • Experiments would not need to integrate the clients into their software stack anymore • More integration of common software after agreement on common software stack • One deployment of “common software stack” • No need to redeploy packages n times WLCG Operations TEG - Stefan Roiser

  6. Configuration Management

  7. Improvement Areas (Impact: 10 – Preventing operations; 5 – significant waste of effort; 1 – inconvenient) WLCG Operations TEG - Stefan Roiser

  8. Potential efficiency gains • Flat software deployment (one /bin, /lib, /man) directory • Would reduce the load for runtime env. setup • Potential for common build tools • Currently Cmake being investigated • Several advantages over current tools WLCG Operations TEG - Stefan Roiser

  9. Deployment Management

  10. Improvement Areas (Impact: 10 – Preventing operations; 5 – significant waste of effort; 1 – inconvenient) WLCG Operations TEG - Stefan Roiser

  11. Potential efficiency gains • Agree on one common software deployment tool and process between all experiments • Reduces LHC librarians work • In case of centrally managed distributed filesystem, reduces load on experiments deployment teams • In case of already existing tool, sites can copy / paste already existing infrastructure WLCG Operations TEG - Stefan Roiser

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