Introduction

• Alessandro Di Girolamo (CERN)
• James Letts (Univ. of California San Diego (US))

Room: 6/2-004

XRootD: Status, Challenges and Plans toward HL-LHC

• Guilherme Amadio (CERN)
• Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))

Room: 6/2-004 Follow up of the OTF#7 https://indico.cern.ch/event/1542060/timetable/?view=standard#b-621125-wlcg-open-technical-f - Overview of the status - gaps identified in the current situation (including XRootD monitoring) - challenges foreseen - Plans for the coming years, including concrete milestones along the way to solving the major problems observed.

XRootD understanding of experiments (and communities) needs

• Guilherme Amadio (CERN)
• Andrew Bohdan Hanushevsky (SLAC National Accelerator Laboratory (US))

Room: 6/2-004 based on XRootD discussions, GitHub, plus the XRootD Collaboration Board https://indico.cern.ch/event/1510817/

Experiments and Root - inputs Room: 6/2-004 Delta wrt the XRootD Collaboration Board (Feb 2025) https://indico.cern.ch/event/1510817/ Input needed also toward HL-LHC

XRootD - next steps

• Alessandro Di Girolamo (CERN)
• James Letts (Univ. of California San Diego (US))

Room: 6/2-004 Discussion on the concrete next steps

Introduction

• Alessandro Di Girolamo (CERN)
• James Letts (Univ. of California San Diego (US))

Room: 6/2-004

WLCG Accounting infrastructure and evolution strategy

• Julia Andreeva (CERN)
• Alastair Dewhurst (Science and Technology Facilities Council STFC (GB))
• Panos Paparrigopoulos (CERN)
• Michael Boehler (University of Freiburg (DE))

Room: 6/2-004

CRIC (Computing Resource Information Catalogue) - status and plans toward HL-LHC

• Panos Paparrigopoulos (CERN)

Room: 6/2-004

DataChallenges2027 - DC27

• Katy Ellis (Science and Technology Facilities Council STFC (GB))
• Johannes Elmsheuser (Brookhaven National Laboratory (US))

Room: 6/2-004