Information processing apparatus and distributed processing cont

Details Information processing apparatus and distributed processing cont Information processing apparatus and distributed processing cont

1997-04-21

2000-01-04

Palys, Joseph E.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

710 19, G06F 1100

Patent

active

060121513

ABSTRACT:
An information processing apparatus includes at least one input and output devices each having a plurality of input and output ports, and a plurality of processors which, connected to the one or the plurality of input and output ports via a bus, process requests for processes requiring a use of the input and output ports in a distributed manner. At least one input and output device includes: an input and output port status management arrangement for maintaining an input and output port status table listing statuses of the plurality of input and output ports; a processor status management arrangement for maintaining a processor status table listing statuses of the plurality of processors; and a correspondence table management arrangement for managing correspondence between the plurality of input and output ports and pairs of active and standby processors, using a correspondence table, and each of the plurality of processors includes: a processor-specific input and output port status management controller for maintaining a processor-specific input and output port status management table listing statuses of the plurality of input and output ports to which a processor is assigned.

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patent: 5701512 (1997-12-01), Ishizawa
patent: 5710769 (1998-01-01), Anderson et al.
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patent: 5742851 (1998-04-01), Sekine
patent: 5764750 (1998-06-01), Chau et al.

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