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ILDG Demonstration

Alan Irving University of Liverpool UKQCD ILDG. ILDG Demonstration. 3-continent file browsing. UKQCD. JLAB. LATT03. Built on Globus Replica data sets No master copies Linux/RAID…. UKQCD: QCDgrid. JLAB: Web Services. Web Browser. Application. Authenticated connections.

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ILDG Demonstration

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  1. Alan Irving University of Liverpool UKQCD ILDG ILDG Demonstration ILDG/Lattice03/aci

  2. 3-continent file browsing UKQCD JLAB LATT03 ILDG/Lattice03/aci

  3. Built on Globus Replica data sets No master copies Linux/RAID… UKQCD: QCDgrid ILDG/Lattice03/aci

  4. JLAB: Web Services Web Browser Application Authenticated connections XML to HTML servlet Web Service Web Server (Portal) Web Service Web Service Remote Web Server Grid Service Web Service Grid resources, e.g. Condor Local Backend Services (batch, file, etc.) Storage system Batch system ILDG/Lattice03/aci

  5. Architects: Chip Watson (Jlab), Andy Jackson (Edin.) SRM Browser: based on JLAB GUI (Java) SRM = Storage Resource Manager (manages one disk farm or a grid or ….) SRM 1 spec. implemented SOAP-based XML-messaging protocols Middleware working Group • DEMO: • QCDGrid metadata file browser (‘local’) • ILDG filename browser (distributed SRMs) ILDG/Lattice03/aci

  6. QCDgrid file browser ILDG/Lattice03/aci

  7. QCDgrid metadata browser ILDG/Lattice03/aci

  8. ILDG file browser ILDG/Lattice03/aci

  9. Future • Complete/implement SRM 2 spec. • Full interface to sub-grids (e.g. QCDgrid) • File retrieval • More sites? ILDG to maintain list. • ‘Global trust network’ for grid certificates? • Job submission… ILDG/Lattice03/aci

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