If you are not familiar with Parmlib, it's a newer install method for OMEGAMON that is parameter based. Think of Parmlib as an alternative to using the ICAT tool to configure OMEGAMON. It's important to start to get to know a bit about the Parmlib process. At some point the likely plan is that Parmlib will replace ICAT as the configuration tool for OMEGAMON installation.
If you want to know a bit more about Parmlib, here is a link to an upcoming webcast that will talk about it. The event is on June 8th. You can also play the recording after the fact.
Here's the link: