Upon login to Unisphere for PowerMax, you will see the Overview Dashboard page. Unisphere for PowerMax systems can manage up to 20 PowerMax arrays from a single console.
From this page you get summary information about each PowerMax system including it's health status. You can select individual systems to to drill down for more details and focus management tasks on which ever array you want to work providing the user has the correct privileges.
The Dashboard page is meant to give a quick glance into the current status of the environment and bring to attention any issues that should be addressed by the administrator.