Tape Drives
Tapes contain much of your installation's data. Accordingly, you must spend a lot of your time controlling tape drives.
Some of the tape drives in your z/VM system may be shared by operating systems running on other processor complexes. Sharing tape drives in this way affects the way you control them. Accordingly, the next section focuses on shared tape-drive operation. Controlling Tape Drives follows with the main tape-drive operation tasks.