Device administrators manage device collections to which they have privileges. Management tasks include assigning and removing vDisks from a device, editing device properties and viewing vDisk Properties (read-only). Device collections consist of a logical grouping of devices. For example, a device collection could represent a physical location, a subnet range, or a logical grouping of target devices. A target device can only be a member of one device collection.
To assign the Device Administrator role to one or more groups and its members: