Library unit sharing system for ensuring sequential recording media access
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United States of America Patent
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Sep 24, 1996
Issued Date -
N/A
app pub date -
May 11, 1995
filing date -
Nov 27, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
The present library unit sharing system is provided with a sharing control unit to control access by multiple computers to a library unit which contains multiple recording media. In response to an access request from a computer, a resource allocation means allocates an I/O unit and a mount control means issues an instruction to load a specified recording means into the allocated I/O unit. The mount control means, upon receipt of a recording medium absence notice, sets a timer of a timer retry means to a certain period of time. The timer retry means restarts after the set time has elapsed and then issues a reloading instruction to the mount control means.
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