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Oracle GlassFish Server 3.1-3.1.1 High Availability Administration Guide
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Document Information

Preface

1.  High Availability in GlassFish Server

2.  Setting Up SSH for Centralized Administration

3.  Administering GlassFish Server Nodes

4.  Administering GlassFish Server Clusters

5.  Administering GlassFish Server Instances

Types of GlassFish Server Instances

Administering GlassFish Server Instances Centrally

To Create an Instance Centrally

To List All Instances in a Domain

To Delete an Instance Centrally

To Start a Cluster

To Stop a Cluster

To Start an Individual Instance Centrally

To Stop an Individual Instance Centrally

To Restart an Individual Instance Centrally

Administering GlassFish Server Instances Locally

To Create an Instance Locally

To Delete an Instance Locally

To Start an Individual Instance Locally

To Stop an Individual Instance Locally

To Restart an Individual Instance Locally

Resynchronizing GlassFish Server Instances and the DAS

Default Synchronization for Files and Directories

To Resynchronize an Instance and the DAS Online

To Resynchronize Library Files

To Resynchronize Custom Configuration Files for an Instance

To Resynchronize Users' Changes to Files

To Resynchronize Additional Configuration Files

To Prevent Deletion of Application-Generated Files

To Resynchronize an Instance and the DAS Offline

Migrating EJB Timers

To Enable Automatic EJB Timer Migration for Failed Clustered Instances

To Migrate EJB Timers Manually

6.  Administering Named Configurations

7.  Configuring Web Servers for HTTP Load Balancing

8.  Configuring HTTP Load Balancing

9.  Upgrading Applications Without Loss of Availability

10.  Configuring High Availability Session Persistence and Failover

11.  Configuring Java Message Service High Availability

12.  RMI-IIOP Load Balancing and Failover

Index

Types of GlassFish Server Instances

Each GlassFish Server instance is one of the following types of instance:

Standalone instance

A standalone instance does not share its configuration with any other instances or clusters. A standalone instance is created if either of the following conditions is met:

  • No configuration or cluster is specified in the command to create the instance.

  • A configuration that is not referenced by any other instances or clusters is specified in the command to create the instance.

When no configuration or cluster is specified, a copy of the default-config configuration is created for the instance. The name of this configuration is instance-name-config, where instance-name represents the name of an unclustered server instance.

Shared instance

A shared instance shares its configuration with other instances or clusters. A shared instance is created if a configuration that is referenced by other instances or clusters is specified in the command to create the instance.

Clustered instance

A clustered instance inherits its configuration from the cluster to which the instance belongs and shares its configuration with other instances in the cluster. A clustered instance is created if a cluster is specified in the command to create the instance.

Any instance that is not part of a cluster is considered an unclustered server instance. Therefore, standalone instances and shared instances are unclustered server instances.