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CTA deployment meeting

600/R-001 (CERN)



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Michael Davis (CERN)
    • 14:00 14:10
      EOSCTA Post-Migration Issues 10m


      • #334 Migrate TOTEM files from EOS to CTA. Michael is following up with TOTEM.
      • RQF1790785 Archival EOS files in CTA


      • Protect DAQ user from deleting files written by DAQ. #295 Fix ACLs for NA62 on CTA PUBLIC, #297 Testing of p and !d eos permissions, #304 Testing of !d ACL.
      • #291 T2 transfers are working because the firewall was opened, but this is a temporary situation. Any WLCG site wishing to access CTA must be on LHCONE.
      • NA62 have asked for a one-week extension of the firewall opening: "We are starting to write to EOS (and asynchronously move the files to CTA). However, would it be possible to give us a one-week extension just so that the existing production rounds finish as they are (and we don't have their output split between EOS and CTA)?"


      • Repack of r_public_user has finished extracting atlas_user and alice_user files to separate tapes. These can now be imported into the respective instances.


      • DAQ hardware delayed, expected in the summer, september at the latest.
      • #306 DAQ integration and testing, including FTS Archive Monitoring
      • LHCb reprocessing campaign (begins in May)
    • 14:10 14:20
      CTA PUBLIC Migration from CASTOR 10m


      • #143 nTOF tests on EOSCTAPUBLIC PPS , #161 Spinners space on EOSCTA PPS
      • w/c 3 May: Start testing with n_TOF (archival through spinner space using Steve's modification to EOS)


      • #310 CLIC/ILC tests on EOSCTAPUBLIC PPS
      • Migration 1st week in June (provisional). Review w/c 10 May.


      • #69 COMPASS tests on EOSCTAPUBLIC PPS
      • COMPASS snaphot imported to eosctapps
      • Testing status update
      • Repack of COMPASS tapes complete, some files still in /user part of namespace


      • #82 AMS tests on EOSCTAPUBLIC PPS
      • Baosang will proceed with integration work on his side.
      • AMS tapes have been repacked.
      • Plan is to migrate AMS to CTA by end of May.


      • NA61/SHINE: setting up their DAQ system + storage. No schedule for testing yet.
      • Decouple online and offline workflows, migrate offline to CTA.
      • Start offline testing.


      • #307 Migrate CASTOR Backup use cases to CTA
      • /afsmigration #282.

      Other Use Cases

      • HARP - #344 - ready to migrate. Preservation VO. Which instance (with or without spinners)?
      • ArDM - #342 - needs 1 tape repacked
      • NA48 - #341 - needs 3 tapes repacked
      • r_public_misc: covers most of the rest of the small experiment use cases. Needs repacking to separate from r_public_user.
      • LEP tapepools: postponed until more files have been repacked.
    • 14:20 14:30
      CTA PUBLIC New Use Cases 10m
      • Vlado's instructions have been published as KB0007266 Archiving data in the CERN Tape Archive (CTA)
      • #271 Spacal
      • #274 FASER experiment on CTA
      • AWAKE RQF1735636 - Archive 13 TB of AWAKE Run-1 data in /eos/experiment/awake

      • RQF1747988 CERN Digital Memory, #267

    • 14:30 14:35
      AOB 5m