This section describes the steps for planning, configuring, and testing a global cluster. It describes an example of converting a single instance Oracle database configured for local high availability in a VCS cluster to a highly available, disaster-protected infrastructure using a second cluster. The solution uses Veritas Volume Replicator to replicate changed data real-time.
In this example, a single-instance Oracle database is configured as a VCS service group (appgroup) on a two-node cluster. The service group configuration looks like:
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Note Before beginning the process, review the prerequisites listed in the section Prerequisites for global clusters and make sure your configuration is ready for a global cluster application.
The process involves the following steps: