Cluster node status detection and communication

Details Cluster node status detection and communication Cluster node status detection and communication

2007-06-05

2007-06-05

Chu, Gabriel (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S055000

Reexamination Certificate

active

10764165

ABSTRACT:
One embodiment disclosed relates to a method of communicating status from a node of a cluster of computer systems. A first status signal is received from a computational node, and a default status signal is generated. The first status signal and the default status signal are used to generate a second status signal. Another embodiment disclosed relates to a method of communicating node status within a cluster of computer systems. A first signal indicative of the status of a current node is generated. A second signal indicative of the status of a preceding node is received. The first signal is transmitted to a next node if the current node is present in the cluster, and the second signal is transmitted to the next node if the current node has been removed from the cluster.

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