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US 5,517,616 AGranted
Multi-processor computer system with system monitoring by each processor and exchange of system status information between individual processors
AssigneeInternational Computers Limited
InventorRichard N. Taylor
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Abstract
A computer system comprises a number of replicated units. At least two of the units include monitoring components for monitoring the status of the system. The monitoring components communicate with each other to exchange status information, so as to enable both of the monitoring components to form a combined view of the status of the system, based on information gathered by both of the monitoring components. This enables each monitoring component to locate faults more precisely, and thus enables more appropriate recovery action to be taken.
Claims6
A computer system comprising;
- (a) a first processing unit;
- (b) a second processing unit;
- (c) a plurality of further system units, each of said plurality of further system units being connected both to said first processing unit and to said second processing unit;
- (d) first monitoring means in said first processing unit, for monitoring said plurality of further system units, to generate a first status report containing status information relating to said further system units as viewed from said first processing unit;
- (e) second monitoring means in said second processing unit, for monitoring said plurality of further system units, to generate a second status report containing status information relating to said further system units as viewed from said first processing unit;
- (f) said first monitoring means including means for generating a first status message, containing said first status report, and for transmitting said first status message to said second monitoring means;
- and
- (g) said second monitoring means including means for generating a second status message, containing said second status report, and for transmitting said second status message to said first monitoring means.
5 more elements
Dependencies are inferred from the claim text.