Arbitration
This section describes how Sun Cluster 3.0 software architecture handles arbitration problems and other issues, including split brain, multiple instance, and amnesia. “Arbitration Schemes” and “Failures in Clustered Systems” discuss these issues.
Cluster Membership
Sun Cluster 3.0 defines the concept of membership as a group of nodes that can successfully communicate with every other node in the group through the private interconnect. This concept is critical to the success of a cluster product that is performing distributed computing operations. The cluster membership monitor (CMM) must ensure that only one cluster incarnation is in progress at a time.
To determine membership and, more importantly, to ensure data integrity, the CMM ...
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