How This Book Is Organized

This document contains the following chapters and appendixes:

Chapter 1, Data Services API, introduces the Sun Cluster concepts that enable application programs to become highly available.

Chapter 2, Sample Data Service, describes a sample data service used to demonstrate how the API is used.

Chapter 3, Tips for Writing and Testing HA Data Services, provides suggestions for how to most effectively write and test new data services.

Appendix A, Using Symbolic Links for Multihosted Data Placement, describes how you can use symbolic links to avoid having to modify data service code.

Appendix B, API Man Pages, contains quick reference to the syntax for the commands and functions associated with the Sun Cluster Data Services API, and the complete text of the man pages.