JGPSH -
Looking through in ZExplore I don't find anything in the DFM 5.2 or 6.0 APIs to do this.
I haven't looked at 6.x, but the auto discovery option in earlier versions of OCUM allowed for periodic re-scan of the network for new storage systems.
I hope this response has been helpful to you.
At your service,
Eugene E. Kashpureff, Sr.
Independent NetApp Consultant http://www.linkedin.com/in/eugenekashpureff
Senior NetApp Instructor, IT Learning Solutions http://sg.itls.asia/netapp
(P.S. I appreciate 'kudos' on any helpful posts.)