CTA deployment meeting

Contribution List

9. FTS and multi-hop

21/11/2019, 14:00

• FTS and multihop for LHCb, see ticket FTS-1483
• Update from Andrea and Eddie on the impact on FTS to implement this

5. Backpressure

21/11/2019, 14:10

• Andrea : present how backpressure works in FTS
• Identify what problems remain to be solved

4. CTA test status

21/11/2019, 14:20

• Status of stress tests
• Status of repack 40 tapes test

8. Monitoring

21/11/2019, 14:30

We need to monitor both EOS and CTA in order to follow the full workflow. e.g. the number of files written in EOS should match the number of archive requests in CTA. Also we need to be able to monitor what the garbage collector is doing in the disk buffer.

• What are we currently able to monitor (disk/tape)?
• What things do we need to monitor that we are not currently monitoring?

7. Documentation

21/11/2019, 14:40

• Eric : brief summary on the state of our documentation
• Agree the different audiences for documentation : CTA developers; Integration/data workflow specialists (e.g. FTS/XRootD developers, experiment data managers, dCache developers, ...); Installers (e.g. T1s like RAL); Operators (configuration, day-to-day operations); ... ?
• What are the documentation requirements of the CTA service...

6. ALICE/JAlien integration

21/11/2019, 14:50

• Michael/Steve : Feedback from this morning's meeting with Costin
• Timescale for ALICE tests
• Identify what needs to be done to integrate JAlien with EOSCTA

2. AOB

21/11/2019, 15:00

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