Cost-reduced redundant service processor configuration

Details Cost-reduced redundant service processor configuration Cost-reduced redundant service processor configuration

2008-04-11

2010-11-16

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07836335

ABSTRACT:
A redundant service processor configuration is provided. A first processor in a first node operates elements in the first node. A first control line connects the first processor to a first multiplexer in the first node. A second processor in a second node operates elements in the second node. A second control line connects the second processor to a second multiplexer in the second node. The first control line from the first processor connects to the second multiplexer. The second control line from the second processor connects to the first multiplexer. In response to a failure of the second processor, the first processor operates the first multiplexer to initialize the elements of the first node, the second processor is switched off, and the first processor operates the second multiplexer to initialize the elements of the second node. Analogous operations occur in response to a failure of the first processor.

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