After you install the monitoring agents in an existing IBM® Tivoli® Monitoring environment, you must configure historical data collection if you intend to generate reports based on this data.
If you installed Tivoli Monitoring for Tivoli Storage Manager by using the standard installation method, historical data collection was configured for you automatically. If you are using the native IBM Tivoli Monitoring installer, then you must manually configure historical data collection.
You can also configure historical data collection from within the Tivoli Enterprise Portal. However, it is much quicker using the command-line interface because there are many attribute groups that must be configured.
You must configure history configuration to have the data from the monitored servers stored in the WAREHOUS database. This is a requirement if you plan to use Tivoli Common Reporting to view historical reports.
The following commands can be copied and pasted in to a terminal session window. Be sure to adjust any of the variables such as your password, to match your installation environment before pasting them in to a terminal session.
To configure historical data collection and summarization and pruning, complete the following steps: