IBM E027SLL-H Troubleshooting Guide - Page 271
The generated report displays the message The requested data is not, available, You receive
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attribute that is not being displayed. Go to the Tivoli Enterprise Portal console and validate that this column contains data and, if the issue is with summarized data, that summarization is enabled for this attribute. Another reason might be that you have not configured historical collection when you installed and configured the monitoring agent or that not enough time has passed for Tivoli Data Warehouse to collect the data for your requested report time period before you tried to generate an historical report with Tivoli Common Reporting. If you do not see the historical collection icon (a clock) in the workspace in Tivoli Enterprise Portal, then data has not been collected in Tivoli Data Warehouse. The solution might require changes to the persistent datastore, the z/OS repository for short-term historical data. Those changes should be made using the Configuration Tool. The generated report displays the message "The requested data is not available" In this scenario, you complete the report parameters window to generate a report and click Submit. After clicking Submit, you see a blank report page with no graphed or tabular information and the error message The requested data is not available is displayed in the message area. When you check version levels, you find that Tivoli Data Warehouse is your data source, but none of the requested columns in the Tivoli Enterprise Portal attribute table contain data. This indicates that no data is being collected in Tivoli Data Warehouse. Verify this by querying the same table in the database or by requesting data from the matching workspace, for this time period, in the Tivoli Enterprise Portal. If, for example, your installation stopped collecting historical data for this report 8 days ago, and you query the last 7 day, no data will be returned. If the managed resource (for example, a TN3270 Server or a CICS® Region) were taken offline, then no data can be collected. To address the time period issue, expand the time period for your query. To correct the resource availability issue, ensure that the managed resource is online and your agent is collecting data for it. The solution might require changes to the persistent datastore, the z/OS repository for short-term historical data. Those changes should be made using the Configuration Tool. You receive the message "serverName is unknown host" This error message is displayed as red text at the bottom of a report. Although this error can occur for several reasons, the most common problem is incorrectly entering the Tivoli Data Warehouse database URL into the data source for the report. If some reports are working and others are not, the URL was entered incorrectly. If no reports are working, contact those within your organization who installed the product for the correct URL. Chapter 15. Tivoli Common Reporting troubleshooting 253
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