User's Guide Using On-Demand Diagnostic Collections 6 Using On-Demand Diagnostic Collections Run Oracle Trace File Analyzer on demand using tfactl command-line tool. Collecting Diagnostics and Analyzing Logs On-DemandThe tfactl command uses a combination of different Oracle Database support tools when it performs analysis. Viewing System and Cluster SummaryThe summary command gives you a real-time report of system and cluster status. Investigating Logs for ErrorsUse Oracle Trace File Analyzer to analyze all of your logs across your cluster to identify recent errors. Analyzing Logs Using the Oracle Database Support ToolsThe Oracle Database support tools bundle is available only when you download Oracle Trace File Analyzer from My Oracle Support note 2550798.1. Searching Oracle Trace File Analyzer MetadataYou can search all metadata stored in the Oracle Trace File Analyzer index using tfactl search -showdatatypes|-json [json_details]. Oracle Trace File Analyzer Service Request Data Collections (SRDCs)Oracle Trace File Analyzer Service Request Data Collections (SRDCs) enable you to quickly collect the right diagnostic data. Diagnostic UploadDiagnostic upload eliminates the need for different set of commands to upload Oracle ORAchk, Oracle EXAchk, and Oracle Trace File Analyzer diagnostic collections to AHF Service, database, BugDB, and Oracle Support. Changing Oracle Grid Infrastructure Trace LevelsEnable trace levels to collect enough diagnostics to diagnose the cause of the problem. Performing Custom CollectionsUse the custom collection options to change the diagnostic collections from the default.