As of version 1.5.90 there is a utility in $OPENNMS_HOME/bin called jrobin-inspector. This will allow you to view and manipulate your jrobin files.
- Run jrobin-inspector, this is a gui interface that lets you look at data stored in jrobin files. You may need to export your display.
- Open a jrobin file
- The data source(DS) structure should now be in the "RRD File Inspector" window