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| Oracle Solaris Cluster Geographic Edition Overview

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Chapter 1

## Introduction to Geographic Edition Software

Oracle Solaris Cluster Geographic Edition (Geographic Edition) software is a layered extension of the Oracle Solaris Cluster software. The Geographic Edition software protects applications from unexpected disruptions by using multiple clusters that are separated by long distances and by using a redundant infrastructure that replicates data between these clusters. On Geographic Edition 3.3 5/11, the clusters can be global clusters, zone clusters, or a combination of both. Data replication software enables applications that are running on a Geographic Edition cluster to tolerate disasters by migrating services to a geographically separated secondary cluster. A disaster such as an earthquake, a fire, or a storm might disable the cluster at the primary site. If a disaster occurs, the Geographic Edition cluster can continue to provide services by using the following levels of redundancy:

- A secondary cluster

- Duplicated application configuration on the secondary cluster

- Replicated data on the secondary cluster

This chapter gives a high-level overview of the Geographic Edition product. It contains the following sections:

- Business Continuity

- Making Applications Highly Available With Geographic Edition Software

- Recovering From a Disaster

- Key Features of Geographic Edition Software

- Administration and Configuration Tools

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