Sun Cluster HA for Sun Java System HADB Overview

This section describes how the Sun Cluster HA for Sun Java System HADB enables the Sun Java System HADB for high availability.

The Sun Cluster HA for Sun Java System HADB is a data service with appropriate extension properties to configure a database that is mastered on multiple nodes at one time.

Configure the Sun Cluster HA for Sun Java System HADB as a data service mastered by multiple nodes to enable the Sun Java System HADB for high availability. See “Planning for Sun Cluster Data Services” in Sun Cluster Data Services Planning and Administration Guide for Solaris OS for general information about data services.

The Sun Java System HADB software is packaged with the Sun Java System Application Server Enterprise Edition installation. However, you can run Sun Java System HADB and Sun Java System Application Server on separate clusters if appropriate. This document describes how to install and configure the data service that enables you to use Sun Java System HADB in a cluster. First, enable Sun Java System HADB in your cluster to provide session and Enterprise Java Bean (EJB) persistence. Refer to Sun Java System Application Server documentation for information about the Sun Java System HADB. Implementation of the Sun Cluster HA for Sun Java System HADB does not assume the existence of applications on which your architecture depends. However, those applications on which your architecture depends such as databases that are used for invoicing and web servers should be configured to be highly available, might run on a different cluster.