Multiple I/O processor system

Details Multiple I/O processor system Multiple I/O processor system

1991-11-25

1994-05-17

Shaw, Dale M.

G06F 1502

Patent

active

053135849

ABSTRACT:
The present invention involves the use of multiple I/O processors (204) and (206), configured in parallel in an I/O system (104), to increase system performance as well as enhance system resiliency. Performance is increased by programming one of the multiple I/O processors with the added ability to allocate received I/O job requests among the active I/O processors including itself, thus allowing for parallel processing. The I/O system resiliency is enhanced by ensuring that any one of the I/O processors can assume the tasks of any other I/O processor which may fail. The I/O system described above employs a load balancing algorithm to evenly distribute the I/O job functions among the active I/O processors.

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