System controller with plurality of memory queues for prioritize

Details System controller with plurality of memory queues for prioritize System controller with plurality of memory queues for prioritize

1998-03-24

2000-12-05

Lee, Thomas C.

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

710 5, 710 40, 364200, G06F 1300

Patent

active

061579637

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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