CTA deployment meeting

Monday 22 Feb 2021, 14:00 → 16:00 Europe/Zurich

600/R-001 (CERN)

Michael Davis (CERN)

14:00 → 14:10 Getting LHCb into Production

• See Putting EOSCTALHCB into Production (CodiMD)
• See #203 Migrate LHCb from CASTOR to CTA

Status

• Transfers from EOS LHCb to EOSCTA LHCb are completing successfully following EOS/XRootD upgrade.
• DAQ tests (including file safely on tape check) will be tested after the migration, in production.
• All that remains to test before migration is grid transfers to/from T1s.

Schedule

• w/c 22 February: final tests. Prepare OTGs.
• 1 March: disable write access to CASTOR LHCb in preparation for migration. Check all queues are flushed and everything is written to tape.
• 8 March: disable CASTOR LHCb. Migrate to CTA.
• 15 March: EOSCTA LHCb in production

To Do

• HTTP+TPC tests
• Publish OTGs

14:10 → 14:20 Getting PUBLIC into Production

• Migration of SMEs from CASTOR to CTA, see Putting EOSCTAPUBLIC into Production
• Schedule for migrating CASTOR PUBLIC experiments to CTA

Status Update

• Spinner space has been configured (#161)
• AMS tests: problem fixed, waiting for Baosong to resume tests
• NA61/SHINE: Met last week with EOS+FTS teams to discuss DAQ storage/best practices. Eddie is following up.
• DUNE. No news, but we are not pushing. See #213
• n_TOF will repeat their CASTOR stress test with CTA
• TOTEM meeting on Thursday 15:00
• Repacking LEP-era data to improve tape occupancy in preparation for migration

TO DO

• Test garbage collector on spinner space
• n_TOF, COMPASS: Recall tests with spinner space
• Finish repack of public_user
• Publish Knowledge Base article for users to access files in CTA, see #214 and draft article in CodiMD
• Migrate data from legacy experiments (Aleph, Chorus, Delphi, Nomad, Opal, ...)
• Bartek (NA61) is following up on issue of experiment data in CASTOR /user part of the namespace

Schedule

• w/c 22 February: n_TOF DAQ stress test on EOSCTA PUBLIC PPS, NA62 stress test on EOSCTA PPS (readonly)
• 8 March: IT/SME coordination meeting
• w/c 15 March: migrate NA62 to CTA

14:20 → 14:30 CTA Software

• #959 Cedric's departure preparation
• Review of any work we would like Cedric to finish off

14:30 → 14:35 AOB