Hi Ram, > I am not asking about the retention period of the statistics data. I am > asking what if the Grid control server itself goes down? There will not be > anything monitoring the databases and servers. Potentially true, unless one is actively monitoring the monitor. In addition, I also monitor the logs of the agents on each target host. When the OMS goes down, the agents complain, which causes my homegrown monitoring script to send me an email/page from each affected target host. Not ideal, but the price is right. Rich -- //www.freelists.org/webpage/oracle-l