Preface

Chapter 1, “Chapter 1 “Serviceguard at a Glance”,” describes a Serviceguard cluster and provides a roadmap for using this guide.

Chapter 2, “Chapter 2 “Understanding Serviceguard Hardware Configurations”,” provides a general view of the hardware configurations used by Serviceguard.

Chapter 3, “Chapter 3 “Understanding Serviceguard Software Components”,” describes the software components of Serviceguard and shows how they function within the HP-UX operating system.

Chapter 4, “Chapter 4 “Planning and Documenting an HA Cluster ”,” steps through the planning process and provides a set of worksheets for organizing information about the cluster.

Chapter 5, “Chapter 5 “Building an HA Cluster Configuration”,” describes the creation of the cluster configuration. This edition includes updated information in “Editing Security Files ”.

Chapter 6, “Chapter 6 “Configuring Packages and Their Services ”,” describes the creation of high availability packages and the control scripts associated with them.

Chapter 7, “Chapter 7 “Cluster and Package Maintenance”,” presents the basic cluster administration tasks.

Chapter 8, “Chapter 8 “Troubleshooting Your Cluster”,” explains cluster testing and troubleshooting strategies.

Appendix A, “Appendix A “Serviceguard Commands”,” lists the commands used by Serviceguard and reprints summary information from each man page.

Appendix B, “Appendix B “Enterprise Cluster Master Toolkit ”,” describes a group of tools available for creating specialized cluster configurations.

Appendix C, “Appendix C “Designing Highly Available Cluster Applications ”,” gives guidelines for creating cluster-aware applications that provide optimal performance in a Serviceguard environment.

Appendix D, “Appendix D “Integrating HA Applications with Serviceguard”,” presents suggestions for integrating your existing applications with Serviceguard.

Appendix E, “Appendix E “Rolling Software Upgrades ”,” shows how to move from one Serviceguard or HP-UX release to another without bringing down your applications.

Appendix F, “Appendix F “Blank Planning Worksheets”,” contains a set of empty worksheets for preparing a Serviceguard configuration.

Appendix G, “Appendix G “Migrating from LVM to VxVM Data Storage ”,” describes how to convert from LVM data storage to VxVM data storage.

Appendix H, “IPv6 Network Support,” describes the IPv6 addressing scheme and the primary/standby interface configurations supported.