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Enhanced Data Storage Process for Experimental Physics Research

This project involves defined topics and experiment presentations for ALICE, ATLAS, CMS, and LHCb, aiming to gather information and proposals for an overall architecture diagram. With a focus on refining recommendations and proposing steps, the project will address storage middleware presentations and concrete proposals for each topic. Activities include face-to-face sessions, synthesis sessions, and GDB meetings to ensure agreement on observations and recommendations. Work will include component diagrams, service level considerations, security models, and interface requirements.

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Enhanced Data Storage Process for Experimental Physics Research

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  1. SM/ DM TEG Process so far • Initial questionnaire • Defined topics [TopicsDataStorageTEG] • Questions to experiments: • Experiment Presentations and Twikis • [ALICE;ATLAS;CMS;LHCb] • Storage Middleware presentations • Face-to-face session for each topic • plus broader discussions. • We have: • Agreed set of observations • “Emerging” recommendations and direction • We need: • Overall architecture “layer” diagram • Concrete proposals under each topic Information Gathering 24/25 Jan: Face-to-Face Meeting Indico : 165687 Synthesis / Exploration/ Orientation 7th Feb GDB meeting “Emerging” recommendations Refinement “Draft” Recommendations

  2. Proposed Steps until mid-March • Work on the straw-man of current architecture • component diagram, description and responsibility split • In parallel in the topical working groups • agree concrete recommendations from information which is already available • Focused iteration to document some key model elements • Strategy for use of storage with lower level of service • e.g. cache level storage for a) pushed or b) on-demand data • Table with main data types • associated service level, authorization + quotation needs, r/w vs r/o • Minimal user/group model to implement desired SE security model • Table of interface & protocol requirements • needed by whom but also for what

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