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- Standalone Installation. Standalone installation enables you to install a single instance and define the instance name and configuration. This instance is not connected to or affected by any other instance configuration. After completing the pre-installation tasks, see Installing a standalone J2EE Tier instance on page 77.
- Cluster Installation. Cluster installation defines the configuration parameters for a group of instances in a central location. Once a cluster is defined, a set of startup arguments is created. All instances with these startup arguments will automatically be installed as part of the cluster and share the same configuration.
Each instance in the cluster is given a name that includes both the user defined cluster name and an automatically generated unique identifier.
It is recommended to install a cluster when the following conditions apply:- The application is deployed on more than one JVM.
- New JVMs are created automatically.
- The startup parameters are located in a central location and are shared by all instances in the clusters.
- There is no need for specific, user-defined instance names.
- Shared Configuration. Shared configuration enables the user to use configuration parameters from a different, already installed instance. Each instance using shared configuration is given a user-defined name, but will share all configuration, as defined in the configuration files in the registry. After completing the pre-installation tasks, see Using shared configuration in Precise for J2EE on page 86.
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