Compaq ProLiant 6500 Compaq Parallel Database Cluster Model PDC/O2000 for Orac - Page 204
Monitoring Cluster Operation, Tools Overview, Using Secure Path Manager
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Cluster Management 6-25 Monitoring Cluster Operation Tools Overview Several tools exist to monitor the operation of your cluster. Use the tools to regularly monitor the operation of each node and each Oracle instance. The gathered information might identify a disparity in the workload being performed by each node, which signifies a need to adjust the distribution of the workload so that the overall cluster performance is maximized. I Compaq Insight Manager and Compaq Insight Manager XE can be used to gather low-level, in-depth hardware statistics for the server and networking hardware components used in the cluster. I Windows 2000 Performance Monitor gathers performance characteristics of many objects. Examples of monitored objects are memory, processor, hard drive performance, network software, and application software. I Oracle8i Performance Manager captures, computes, and presents performance data about the Oracle database. Specific data about Oracle8i Parallel Server metrics are monitored and viewed with this application. I Secure Path Manager monitors the hardware components on the redundant Fibre Channel Fabric or redundant FC-AL paths. If a failure occurs along an active I/O path, Secure Path reroutes I/O through the defined standby path. Using Secure Path Manager Secure Path is a high availability software product that provides continuous data access for RA4000/RA4100 Arrays. Redundant hardware, advanced RAID technology, and automated failover capability are used to enhance fault tolerance and availability. Secure Path, in conjunction with the redundant Fibre Channel Fabric or redundant FC-AL topologies used in your PDC/O2000, effectively eliminates single points of failure in the storage system, disk drives, the array controllers, switching devices, cluster interconnect hardware, and Fibre Host Adapters. NOTE: This section assumes that storagesets have already been configured using the Array Configuration Utility and that the drives have been partitioned with Disk Management.