Failures in Clustered Systems
A number of faults are specific to clustered systems. These faults affect synchronization between nodes, arbitration of conflicts regarding shared components, or the presentation of a single view of data or services to external users and systems. “Cluster Failures” describes how Sun Cluster 3.0 avoids and handles these faults. The sections that follow describe the split brain, multiple instance, and amnesia faults.
Split Brain
Split-brain failure occurs when a single cluster has a failure that results in reconfiguration into multiple partitions, with each partition forming without knowledge of the existence of any other. If each new cluster does not know of the existence of the others, there could be a collision ...
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