HP Serviceguard Extended Distance Cluster for Linux A.01.01 Deployment Guide, Third Edition, May 2008

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Preface
This guide introduces the concept of Extended Distance Clusters (XDC).
It describes how to configure and manage HP Serviceguard Extended
Distance Clusters for Linux and the associated Software RAID
functionality.
In addition, this guide includes information on a variety of
Hewlett-Packard (HP) high availability cluster technologies that provide
disaster tolerance for your mission-critical applications. Serviceguard
has supported disaster tolerant clusters on HP-UX for several years now
while it is relatively new on Linux. Features of those disaster tolerant
HP-UX systems may be used as an example through this document.
Intended Audience
It is assumed that you are familiar with the following topics
• HP Serviceguard configurations
• Basic RAID concepts
Document Organization
The chapters of this guide include:
• Chapter 1, “Disaster Tolerance and Recovery in a Serviceguard
Cluster,” on page 11.
• Chapter 2, “Building an Extended Distance Cluster Using
Serviceguard and Software RAID,” on page 49
• Chapter 3, “Configuring your Environment for Software RAID,” on
page 59
• Chapter 4, “Migrating to HP Serviceguard A.11.18,” on page 83
• Chapter 5, “Disaster Scenarios and Their Handling,” on page 93