Overview

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The JD Edwards EnterpriseOne Enterprise Server data service provides orderly startup, shutdown, fault monitoring, and automatic failover of the Enterprise Server. Use the information in this section to understand how to make the Enterprise Server highly available.

The HA for JD Edwards EnterpriseOne Enterprise Server provides fault monitoring and automatic failover for the Enterprise Server to eliminate single points of failure in a JD Edwards EnterpriseOne system. Table 1–1 lists the data service that protects each of the JD Edwards EnterpriseOne components in an Oracle Solaris Cluster configuration.

Note - You can install and configure this data service to run in either the global zone or a zone cluster. For updated information about supported configurations of this data service, see the Oracle Solaris Cluster 4 Compatibility Guide.

Table 1-1 JD Edwards EnterpriseOne System Components and Their Data Services

JD Edwards EnterpriseOne System Component	Data Service
Database server	The data service for the database that you are using: For the Oracle database, the data service is explained in the Oracle Solaris Cluster Data Service for Oracle Database Guide . For the Oracle RAC database, the data service is explained in the Oracle Solaris Cluster Data Service for Oracle Real Application Clusters Guide . For the Oracle External Proxy, the data service is explained in the Oracle Solaris Cluster Data Service for Oracle External Proxy Guide .
Application server	The data service is HA for JD Edwards EnterpriseOne Enterprise Server. The resource type is `ORCL.JDE_Enterprise_Server`. The data service is explained in Oracle Solaris Cluster Data Service for JD Edwards EnterpriseOne Enterprise Server Guide.
Web server	The data service is explained in the Oracle Solaris Cluster Data Service for Oracle WebLogic Server Guide .

High availability is provided for the JD Edwards EnterpriseOne Enterprise Server component of the JD Edwards EnterpriseOne system.

The JD Edwards EnterpriseOne Enterprise Server component can be configured as one of the following data services: failover, multiple-master (mastered by multiple nodes), or multiple-instance (more than one instance of the same application provide an aggregation of services).

For conceptual information about failover and multi-master services, see the Oracle Solaris Cluster Concepts Guide .

HA for JD Edwards EnterpriseOne Enterprise Server requires that a functioning cluster with the initial cluster framework is already installed. See the Oracle Solaris Cluster Software Installation Guide for details on initial installation of clusters and data service software. You register the HA for JD Edwards EnterpriseOne Enterprise Server after you successfully install the basic components of Oracle Solaris Cluster and JD Edwards EnterpriseOne software.

For information about which version of JD Edwards EnterpriseOne Enterprise Server software is compatible, see the Oracle Solaris Cluster Compatibility Guide available at the Oracle Solaris Cluster Technical Resources page.