To select multiple objects of the same type, press the Ctrl key and click on another object. If you try to select multiple dissimilar objects, any previously selected objects are deselected. If the Ctrl key is not used and an object is selected, the previous selections are unselected.
When you select an object, the lines that connect the object to all other objects are highlighted, as follows:
For a drive, the connection to the server where it is attached are highlighted.
For a server, the connections to all robots, media, and drives that are connected or configured to the server are highlighted.
For a shared drive, connections to all servers that are configured to use the drive are highlighted.