2024-02-22 Meeting Notes

 Date

Feb 22, 2024

 Participants

  • @James Walder

  • @Ian Johnson

  • @Alexander Rogovskiy

  • @Thomas, Jyothish (STFC,RAL,SC)

  • @Thomas Byrne

  • Lancs: Steven

  • Glasgow: Sam

Apologies: Matt, Gerard.

CC:

 

 

 Goals

  • List of Epics

  • New tickets

  • Consider new functionality / items

  • Detailed discussion of important topics

  • Site report activity

 

 Discussion topics

Current status of Echo Gateways / WNs testing

Recent sandbox’s for review / deployments:

 

Item

Presenter

Notes

 

Item

Presenter

Notes

 

 

@Thomas, Jyothish (STFC,RAL,SC)

 

 

Operational Issues
Gateways and WNs:
- Current status and upcoming changes

@Thomas, Jyothish (STFC,RAL,SC)

 

 

Data Challenge Status / observations
throughput studies

All

LHCb: we are doing staging part, e.g. copying data from Antares to ECHO.
Good overall speed, some errors due to gateway overloads.

staging_ral_thr_failures.png

 

Rocky 8 migration planning

 

 

 

Planning for ALICE CMSD redirection

@Thomas, Jyothish (STFC,RAL,SC)

 

 

Checksums fixes

@Alexander Rogovskiy @Thomas, Jyothish (STFC,RAL,SC)

 

 

Prefetch studies and WN changes

@Alexander Rogovskiy

 

 

Deletion studies through RDR

@Ian Johnson

 

 

Tokens Status

@Thomas, Jyothish (STFC,RAL,SC) @Katy Ellis

 

 

Understanding CMSD Loadbalancing

@Thomas Byrne

 

 

SKA Gateway box

@James Walder

https://stfc.atlassian.net/wiki/spaces/UK/pages/215941180

 

 

 

 

 

 

on GGUS:

Site reports

Lancaster: Matt is in the machine room today. DC24 has been very DC24 for us, but we’ve not completely melted. Dune have found that we don’t work as a source for root:// TPC transfers, so having a look at our configs (we’ve always focussed on https TPC, so might have never worked).

Glasgow

 

 

 

 Action items

  • @James Walder to schedule a ‘hackathon’ within a F2F to have a session on architectural planning.

  • @James Walder to prepare an outline of the expected roadmap for XRootD developments in 2024.

  •  

 

 Decisions