When you federate, dmgr takes control of ur federated node. so, it copys DMGRCell into ur node, and pushes ur node info into dmgrcell.
2. What are server.xml and serverindex.xml?
Server.xml is an xml file :). Which contains the information needed for your JVM, like, ur jvm name, clustername, services, properties, threadpoolsettings, process definitions, components and so on
serverindex.xml :
This is the file whoch holds : host name info, deployed application info, ur app server ports info, etc
3. what is FFDC?
FFDC - First Failure Data Capture.
WebSphere Application Server V6 includes a feature called First Failure Data
Capture (FFDC). The FFDC feature runs in the background and collects events
and errors that occur during WebSphere Application Server runtime. The
information that it collects are written to log files in the
