What Is a Cluster?
A cluster is a group of two or more computers functioning together to provide a common set of applications or services with a single apparent identity to clients. The computers are physically connected by hardware in the form of either a network or shared storage. The clustering software provides a common interface externally while managing the resources and load internally.
Windows Clustering provides the following benefits:
High availability When a clustered application or service fails or a computer in the cluster fails, the cluster responds by restarting the application or service on another member of the cluster or by distributing the load from the failed server to the rest of the cluster.
Scalability For cluster-aware ...
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