Peripheral subsystem initialization method and apparatus
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United States of America Patent
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Oct 18, 1988
Grant Date -
N/A
app pub date -
Jun 28, 1985
filing date -
Jun 28, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Initialization time of a peripheral storage subsystem is reduced. Each subsystem includes a cache store plus a back store having a plurality of DASD storage devides. Storage locations in the cache store are initially allocated for an index table for other subsystem control structures, track buffers, and a limited number of data storing record slots. Limiting the allocation of record slots reduces initialization time. The number of record slots initially allocated is determined by a maximum allowable system initialization time, a total number of subsystem devices to be initialized and the time required to initialize each record slot.
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