4 Collect Diagnostic Data

• Managing and Configuring Oracle Trace File Analyzer
  This section helps you manage Oracle Trace File Analyzer daemon, diagnostic collections, and the collection repository.
• Using Automatic Diagnostic Collections
  Oracle Trace File Analyzer monitors your logs for significant problems, such as internal errors like ORA-00600, or node evictions.
• Using On-Demand Diagnostic Collections
  Run Oracle Trace File Analyzer on demand using tfactl command-line tool.
• Proactively Detecting and Diagnosing Performance Issues for Oracle RAC
  Oracle Cluster Health Advisor provides system and database administrators with early warning of pending performance issues, and root causes and corrective actions for Oracle RAC databases and cluster nodes. Use Oracle Cluster Health Advisor to increase availability and performance management.
• Collecting Operating System Resources Metrics
  CHM is a high-performance, lightweight daemon that collects, analyzes, aggregates, and stores a large set of operating system metrics to help you diagnose and troubleshoot system issues.
• Monitoring System Metrics for Cluster Nodes
  This chapter explains the methods to monitor Oracle Clusterware.
• Managing Oracle Database and Oracle Grid Infrastructure Logs
  This section enables you to manage Oracle Database and Oracle Grid Infrastructure diagnostic data and disk usage snapshots.