HP Serviceguard manual Preface

Preface

This twentieth edition of the manual applies to Serviceguard Version A.11.20 for the August 2011 patch release. Earlier versions are available at http://www.hp.com/go/hpux-serviceguard-docs-> HP Serviceguard. The information in this manual has been updated for new features and functionality introduced in the Serviceguard A.11.20 August 2011 patches, or their superseding patches (PHSS_42137 or later). If the Serviceguard A.11.20 August 2011 or one of its superseding patches has not been installed, some of the information in this manual will not apply, therefore users should refer to the previous editions of the Managing Serviceguard manual.

This guide describes how to configure Serviceguard to run on HP 9000 or HP Integrity servers under the HP-UX operating system. The contents are as follows:

•“Serviceguard at a Glance” (page 21), describes a Serviceguard cluster and provides a roadmap for using this guide.

•“Understanding Serviceguard Hardware Configurations” (page 27) provides a general view of the hardware configurations used by Serviceguard.

•“Understanding Serviceguard Software Components” (page 40) describes the software components of Serviceguard and shows how they function within the HP-UX operating system.

•“Planning and Documenting an HA Cluster ” (page 92) steps through the planning process and provides a set of worksheets for organizing information about the cluster.

•“Building an HA Cluster Configuration” (page 158) describes the creation of the cluster configuration.

•“Configuring Packages and Their Services ” (page 227) describes the creation of high availability packages and the control scripts associated with them.

•“Cluster and Package Maintenance” (page 261) presents the basic cluster administration tasks.

•“Troubleshooting Your Cluster” (page 321) explains cluster testing and troubleshooting strategies.

•“Enterprise Cluster Master Toolkit ” (page 340) describes a group of tools to simplify the integration of popular applications with Serviceguard.

•“Designing Highly Available Cluster Applications ” (page 341)gives guidelines for creating cluster-aware applications that provide optimal performance in a Serviceguard environment.

•“Integrating HA Applications with Serviceguard” (page 354),” presents suggestions for integrating your existing applications with Serviceguard.

•“Software Upgrades ” (page 357) shows how to move from one Serviceguard or HP-UX release to another without bringing down your applications.

•“Blank Planning Worksheets” (page 369),” contains a set of empty worksheets for preparing a Serviceguard configuration.

•“Migrating from LVM to VxVM Data Storage ” (page 374),” describes how to convert from LVM data storage to VxVM data storage.

•“IPv6 Network Support” (page 378) describes the IPv6 addressing scheme and the primary/standby interface configurations supported.

•Appendix I (page 385) describes the Serviceguard Manager GUI.

•“Maximum and Minimum Values for Parameters” (page 389) provides a reference to the supported ranges for Serviceguard parameters.

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