WLCG

		Worldwide LHC Computing Grid
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About WLCG >Public Website< Management Structure MoU TDR Boards CB CRRB GDB MB OB LHCC Architect Forum C-RSG Archives SC2 ARDA Documents Activities Deployment WLCG Operations Applications Workshops Reporting Milestone Plans Resources Accounting Reliability Status & Progress Grid links + EGEE \| OSG \| CERN NDGF \| GridPP OpenLab \| GridCafé LHC Gridfest Jobs		Reliability Definition of Availability and Reliability - this document explains how the availability and reliability figures are calculated. All data is extracted from SAM (Service Availability Monitoring). History prior to the reports below can be found on the LCG SAM Site Availability Reports page Availability and reliability reports are below. Tier1 T1 - January 2010 All previous Tier 1 reports can be found here on LCG SAM Site Availability Reports page (see 'show attachments'). Tier 2 T2 - January 2010 All previous Tier 2 reports can be found here on LCG SAM Site Availability Reports page (see 'show attachments').		Technical Info Sites Site registration Tier 2 sites list Getting started Install middleware gLite Middleware OSG software Savannah Contacts WLCG Directory Users User Guide Registration Digital Certificates Loading Certificates Troubleshooting Personal Data Virtual Organisation Operational Guide Grid User Support Operations Regional & CIC Ops Operations Portal EU Grid Ops Centre OSG Ops Centre Monitoring Security Overview JSPG & JSPG wiki Report an Incident Reference Images & Maps Logos & templates Brochures