CREAM Migration Task Force

Mandate

The support of the CREAM CE will come to its end by the end of 2020. By this time WLCG sites which are currently running CREAM CEs need to have migrated to different CE implementations or No-CE solutions. Recommended CE implementations are HTCondor and ARC. There are several No-CE solutions which can be also considered as a valid option for WLCG sites. The goal of the task force is to support sites in the migration process and to follow the overall progress at the WLCG level.

We foresee supporting sites in their migration by:

  • Providing necessary documentation and keeping it up to date. This includes sharing recipes and experiences in the migration process and troubleshooting
  • Mailing list where people can get help and answers to their questions
  • Contributing to the work aiming to facilitate deployment using containers and configuration management tools like Puppet and Ansible.

Areas of work

Following up on migration progress

Development ideas

  • Containers for ARC / HTCondor
  • Lightweight deployment systems
  • Sharing of Puppet / Ansible / ... code
  • ...

Membership

Initial members:

  • Maarten Litmaath (CERN)
  • Mayank Sharma (CERN)
  • Julia Andreeva (CERN)
  • Eraldo Silva Junior (CBPF)
  • Pepe Flix (PIC)
  • Stephen Jones (Liverpool University)
  • Stefano Dal Pra (CNAF)
  • David Bouvet (IN2P3-CC)
  • Vanessa Hamar (IN2P3-CC)
  • Jean-Michel Barbet (Subatech)
  • Matt Viljoen (EGI)
  • Alessandro Paolini (EGI)
  • Baptiste Grenier (EGI)

If you are interested, please subscribe to the wlcg-ops-coord-tf-cream-migration mailing list (or we can do that for you).

Useful links

-- JuliaAndreeva - 2019-05-29

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Topic revision: r11 - 2020-03-04 - MaartenLitmaath
 
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