Use the Medium Complete operation to set a tape to read-only.

This is useful when:

Note: Media Manager automatically completes tapes when the remaining free space drops below 2.5 percent of the native capacity.

A completed tape can no longer be used for new archive tasks, although it is still available for retrieve tasks.

Performing a Medium Complete operation sets the state of the tape to Complete in Removable Storage. Removable Storage Manager uses the same icon for the Complete state as for the Disabled state:  . You can tell the difference between the two states by looking at the State column in Removable Storage Manager or the Partition State column in the Media Manager Media pane.