Data Synchronization

More than one copy of data is a data synchronization problem. This section describes data synchronization issues.

Throughout this book, the concept of ownership of data is important. Ownership is a way to describe the authoritative owner of the single view of the data. Using a single, authoritative owner of data is useful for understanding the intricacies of modern clustered systems. In the event of failures, the ownership can migrate to another entity. “Synchronization” describes how the Sun Cluster 3.0 architecture handles the complex synchronization problems and issues that the following sections describe.

Data Uniqueness

Data uniqueness poses a problem for computer system architectures or clusters that use duplication ...

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