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Enhancements and Current Status of Computing Resources at Lyon for D0 Collaboration

This report outlines the current computing environment at the Lyon Computing Center, focusing on resource availability and performance. Key points include the effective operation of tape services and large disk caches, as well as a robust internet connection. The IN2P3-funded center notes that French D0 groups are not utilizing all granted CPU and storage resources, leaving opportunities for additional usage. The installation of new D0 software is straightforward, and while the D0 group's manpower is decreasing, adjustments are being made to manage workloads. Future agreements may be considered based on computing center requests.

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Enhancements and Current Status of Computing Resources at Lyon for D0 Collaboration

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  1. Computing @ Lyon • Computing • Ca. 60-70 PCs • Mass-storage: HPSS based on RFIO (CERN) • Experience (David) • MC production runs smooth even though the load on the queues • seems to be high • Tape service (robot) works very good • Large disk caches available • Internet connection to Lyon is good • Current situation (information by M.Jaffré) • Computing center is financed by IN2P3 • French D0-groups are NOT using all the resources they originally • requested (CPU and Storage) • => additional usage welcome • Installation of new D0-Software relatively simple • Only Mainz Group has accounts in Lyon and are known to the • computing center as DOMAINZ • No request yet by computing center for an agreement • Man power of D0 group in Lyon is decreasing and the work • on scripts and MC database has to be done by someone • Consequences • No need for a MoU at this time • this may change in the future, but we’ll wait for the computing • center to ask for an agreement! • Other german D0-members may apply for an account via Michel

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