When creating large archives, you can use multiple volumes to store one archive. By splitting the contents of one archive onto separate tapes, you can keep similar types of material together in the same archive.
You can open material on any tape in a multiple tape archive but you need the last tape in the multiple tape archive sequence. The last tape contains necessary header information for locating the material you want to restore.
To open material from a multi-tape archive:
You can now restore a project or any part of the archived material.