You can discover the following targets before discovering the unified cloud target which is composed of these targets:

• Individual Database Targets: See Discovering and Adding Database Targets in Enterprise Manager Administrator's Guide.

• Grid Infrastructure (Cluster) Targets: See Discovering Grid Infrastructure and RAC in Oracle Exadata Database Machine Getting Started Guide.

• Oracle Real Application Clusters Targets: See Discovering Grid Infrastructure and RAC in Oracle Exadata Database Machine Getting Started Guide.