Use the Media Inventory subtab to display all of your known archive media:

The Media Inventory subtab has the following columns:

Column Description
Type The media type–fixed disk or USB drives
Name The name assigned to the media
Status An icon indicating whether the media is locked or can be appended. A border around the icon indicates that the media is available (can be appended)
Library The local archive disks or USB drives
Location An optional label describing the location of the media
Used How much disk space is being used by the archived data
Capacity The total usable capacity of the media