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PEM Progress: Analysis and GQM

PEM Progress: Analysis and GQM. Alessandro Miotto IT/PDP. Contents. Analysis Change of glossary System requirement changes after FNAL workshop Current state GQM Current state. Change of glossary. Original glossary not adequate Removed all references to Client Server Database

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PEM Progress: Analysis and GQM

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  1. PEM Progress: Analysis and GQM Alessandro Miotto IT/PDP

  2. Contents • Analysis • Change of glossary • System requirement changes after FNAL workshop • Current state • GQM • Current state Alessandro Miotto: PEM video conference

  3. Change of glossary • Original glossary not adequate • Removed all references to • Client • Server • Database • Events/alarms duality sorted out Alessandro Miotto: PEM video conference

  4. Monitoring Client Monitoring Server Measurement Database Correlation Server Configuration Database Access Server GUI Monitoring Agent Monitoring Broker Measurement Repository Correlation Engine Configuration Repository Access Control User Interface New sub-system names Alessandro Miotto: PEM video conference

  5. PEM framework Alessandro Miotto: PEM video conference

  6. Changes • Old alarms are now events • Boolean metrics generate events • Events can be notified to the User Interface Sub-system to become alarms • Asynchronous metrics are better defined • Can generate events from parsing text • Allow for “unregistered” metrics Alessandro Miotto: PEM video conference

  7. Changes (2) • Service/Host/Host type classes relaxed Definitions presented at FNAL workshop still apply but service was meant to be mapped to h/w (host) used for CERN IT services It is also possible to map the same hosts to different services It can be used to regroup hosts differently and monitor a subset of the original functionality (e.g. batch system) Alessandro Miotto: PEM video conference

  8. Current state • First draft of analysis document completed and under review • Completion of User interface Sub-system after use cases Alessandro Miotto: PEM video conference

  9. Goal Question Metric • What quantities have to be monitored? • Use GQM • Goal to be achieved • How to achieve it • What to measure in order to verify • Example Alessandro Miotto: PEM video conference

  10. Current state • Second draft ready, including input from most PDP service managers • Preparation of list of simple and composite metrics ongoing • Generate sample DB for prototyping • Evaluate complexity of Correlation Engine • Review acquisition tools in Monitoring Agents Alessandro Miotto: PEM video conference

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