1. Sept 27 th – 29 th, 2002Linz 2002, Task 3.3.2 Task 3.3 Grid Monitoring Subtask 3.3.2 SANTA-G Brian Coghlan, Stuart Kenny Trinity College Dublin.

2. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 Task 3.3.2 SANTA-G Ad-hoc, non-invasive monitoring with external instruments. Generic template. Instruments could be anything! (e.g. fish sonars, PCR analysers). CrossGrid Demonstrator: Network tracing Use Case: Validation/Calibration/Optimisation of invasive monitoring tools.

3. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 Network Tracing Node TCPDump Sensor Canonical Producer RGMA Network Tracing Instrument Trace Circular Queue data query register data pkts

4. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 Network Tracing TCPDump – Collects raw network trace data Sensor – Collects data and stores in circular queue Sensor – Makes data available through R- GMA by creating Canonical Producers. Canonical Producer – New form of R-GMA Producer from TCD. R-GMA: the DataGrid information system

5. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 Use Case RGMA R-GMA Consumers Non-Invasive DataSet Validation/ Calibration Invasive DataSet Invasive Tool Monitored Component Optimisation data query Network Tracer data query pkts data

6. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 Use Case R-GMA Consumers – Any form of R-GMA consumer (e.g. ConsumerProducer) Invasive tool – Any form of invasive monitoring tool (e.g. OCM-G) Validation/Calibration: Compare data – validation Mismatch – calibration Optimisation

7. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 Any Questions ?

8. Sept 27 th –29 th, 2002Linz 2002, Task 3.3.2 SANTA-G Sensor Sensor DBProducer File Info Store Config File Canonical Producer Canonical Query Engine Trace Files Grid Information System (R-GMA)