Go to Enterprise Manager menu, click Targets, and click Exadata. This action navigates to a page that lists all the Exadata systems monitored by Enterprise Manager, both on-premises and in the cloud. Click the link on the Exadata VM Cluster that corresponds to the Oracle Exadata Database Service on Exascale Infrastructure target name to open the home page.

Overview tab:

Resource Usage tab:

For details about the various parameters displayed in the Overview tab and Resource Usage tab, see Exadata VM Cluster Home Page.