System controller with plurality of memory queues for prioritized scheduling of I/O requests from priority assigned clients
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United States of America Patent
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Dec 5, 2000
Grant Date -
N/A
app pub date -
Mar 24, 1998
filing date -
Mar 24, 1998
priority date (Note) -
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Abstract
A system for globally prioritizing and scheduling I/O requests from a plurality of storage users or clients to one or more storage objects. The system comprises a storage controller configured to receive I/O requests from the client workstations and prioritize and schedule those I/O requests in accordance with a scheduling algorithm. Specifically, the storage controller receives I/O requests from the storage users and places the I/O requests in memory queues associated with the particular storage users. The storage controller then selects the I/O requests from the various memory queues based on the scheduling algorithm.
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