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of a Virtual Tape Server. When a virtual volume is
copied from the Tape Volume Cache to a stacked
volume it becomes a logical volume. When a logical
volume is recalled from a stacked volume to the Tape
Volume Cache it becomes a virtual volume.
virtual telecommunications access method (VTAM).
Virtual Telecommunications Access Method. A form of
LAN communication protocol.
vision system. A Class II laser bar-code reader used
to identify tape cartridge labels and other features in the
3494.
volser. Volume serial identifier. The physical label on
the cartridge. Also, the same or different identifier
encoded on the magnetic tape.
volume. See cartridge .
W
wall. Walls located inside the library house the
cartridge storage cells. The walls on the front doors of
the library are labeled with even numbers and the walls
on the rear of the library are labeled with odd numbers.
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Magstar 3494 Tape Library Operator Guide
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