CTA Dev Meeting

Thursday 5 Feb 2026, 15:00 → 16:30 Europe/Zurich

31/S-023 (CERN)

Joao Afonso (CERN)

15:00 → 15:10 CTA Release Roadmap

Latest CTA versions

Released

• Latest RPMs on public stable repo: 5.11.14.0-1 (link) (new public release)
• Latest RPMs on public testing repo: 5.11.16.0-1 (link)
• Latest RPMs on public unstable repo: 5.11.16.0-1 (link)

Deployed

• Pre-production: v5.11.15.0-1
• Production: v5.11.14.0-1

New versions

LHC Schedule 2025
CTA Deployment schedule

5.11.15.0-1 (already tagged):

• Milestones
• Maintenance process changes.
• Release date: 16/12/2025
• Deploy date: (pre-prod only)

5.11.16.0-1 (already tagged):

• Milestones
• Fixing cta-admin ls streaming behaviour in CTA Frontend logic.
• Add health endpoints to services that don't expose a service.
• Release date: 28/01/2026
• Deploy date: (pre-prod only)

5.11.17.0-1:

• Milestones
• Update maintd to use TOML configuration.
• Add way to check current tape server configuration.
• Release date: Mid-February 2026
• Deploy date: TBD

15:10 → 15:20 Dev topics

Dev Issues

Improve contents of "failureLogs"

• Issue link: #1506

Update maintd to use TOML configuration

• Issue link: #1507

Other

• Dev issues link

Ops Issues

Other

• Ops issues link

SonarCloud review

• Link to CTA project on SonarCloud

15:20 → 15:30 AOB

CTA + dCache collaboration: development

dCache presentation (slide 18/19): Presentation link

Possible collaboration topics:

• Remove mandatory dependencies on XRootD: Allow file transfers to/from disk instance with HTTP.
• Preventing duplicated requests to CTA Frontend (#1002, #1115)
• Cartridge usage stats via LTO-CM (Cartridge Memory) #1316
• CTA containerization and test deployment with dCache.
• Authentication between dCache and CTA - mTLS