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

Disaster Tolerance and Recovery in a Serviceguard Cluster
Chapter 1 11
1 Disaster Tolerance and
Recovery in a Serviceguard
Cluster
This chapter introduces a variety of Hewlett-Packard high availability
cluster technologies that provide disaster tolerance for your
mission-critical applications. It is assumed that you are already familiar
with Serviceguard high availability concepts and configurations.
This chapter covers the following topics:
• “Evaluating the Need for Disaster Tolerance” on page 12
• “What is a Disaster Tolerant Architecture?” on page 14
• “Understanding Types of Disaster Tolerant Clusters” on page 16
• “Disaster Tolerant Architecture Guidelines” on page 35
• “Managing a Disaster Tolerant Environment” on page 46
• “Additional Disaster Tolerant Solutions Information” on page 48