The tree pane contains the following categories:
To display all media in the Volumes pane, click Media.
To display all of the media in a category in the Volumes pane, click a Media category (Volume Pools, Volume Groups, or Robots).
To display all of the media in a specific volume pool, volume group, or robot in the Volumes pane, click that volume pool, volume group, or robot.
If no volumes are configured in the EMM database, no volumes appear.