Preface

Chapter 1, "Chapter 1 “MC/LockManager at a Glance”," describes an OPS cluster and provides an roadmap for using this guide.

Chapter 2, "Chapter 2 “Understanding MC/LockManager Hardware Configurations”," describes the hardware configurations used by MC/LockManager and provides a general view of how they work together.

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

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

Chapter 5, "Chapter 5 “Building an OPS Cluster Configuration”," describes the creation of the cluster configuration.

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 “Configuration Parameter Limits”." lists selected minimum, maximum, and default values for cluster and package configuration parameters.

Appendix B, "Appendix B “MC/LockManager Commands”," lists the MC/LockManager commands and reprints summary information from each man page.

Appendix C, "Appendix C “Designing Highly Available Cluster Applications ”," describes how to create or port applications for HA operation.

Appendix D, "Appendix D “MC/LockManager Error Messages”," contains a set of empty worksheets for preparing an MC/LockManager configuration.

Appendix E, "Appendix E “Blank Planning Worksheets ”," lists GMS error messages (OPS 8.0.5) and DLM error messages (OPS 7.3.x only) with cause and action text.