High-availability cluster with proactive maintenance

Details High-availability cluster with proactive maintenance High-availability cluster with proactive maintenance

2004-09-08

2008-08-05

Chu, Gabriel (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07409576

ABSTRACT:
One embodiment disclosed relates to a method of preventative maintenance of a high-availability cluster. A least-recently-tested active node is determined. The least-recently-tested active node is swapped out from the HA cluster, and a stand-by node is swapped into the HA cluster. Other embodiments are also disclosed.

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