HP A.06.10 - Manual (Page 81)

http://OVO_SERVER:PortNumber/HPOV_Reports/
Family_Data_Protector_Service_Level_Reports.htm
Where PortNumber is the port on which the web server is running.
Click on the appropriate link to view the desired report.
Preconfigured reports
Session Trend report
This graph shows the success and failure of backup sessions over time. The default
period is 30 days. The date range is configurable by administrators. The graph
shows trends for all sessions and for the individual Cell Manager.
Integration guide for HP Operations Manager for Windows 81