Virtual integrated cartridge loader for virtual tape storage system
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United States of America Patent
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Sep 8, 1998
Grant Date -
N/A
app pub date -
Sep 10, 1996
filing date -
Sep 10, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
Virtual data storage cartridges are created on a data storage subsystem to/from which volume writes and reads are directed. When a number of data volumes have been written, the controller may migrate them to the tape drive, a much faster process than writing directly to tape and enabling multiple logical volumes to be written to a single physical tape. With the present invention, virtual scratch cartridges are virtually premounted in a virtual drive loader while the virtual drive is accessing another virtual cartridge. When the host calls for a new scratch cartridge, it can be mounted in the virtual drive almost immediately, having already been virtually pre-loaded.
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