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| Oracle Solaris Cluster Data Services Planning and Administration Guide Oracle Solaris Cluster 4.1

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## Overview of the Installation and Configuration Process

Use the following procedures to install and configure a data service.

- Install the data service packages from the installation medium on which the packages are supplied.

- Install and configure the application to run in the cluster environment.

- Configure the resources and resource groups that the data service uses. When you configure a data service, specify the resource types, resources, and resource groups that the Resource Group Manager (RGM) is to manage. The documentation for the individual data services describes these procedures.

### Installation and Configuration Task Flow

The following table summarizes the tasks for installing and configuring Oracle Solaris Cluster data services. The table also provides cross-references to detailed instructions for performing the tasks.

Table 1-1 Tasks for Installing and Configuring Oracle Solaris Cluster Data Services

Task | Instructions
--- | ---
Install the Oracle Solaris and Oracle Solaris Cluster software, including data service software | Oracle Solaris Cluster Software Installation Guide
Set up multihost disks | Oracle Solaris Cluster Software Installation Guide
Plan resources and resource groups | Creating a Resource Group
Decide the location for application binaries, and configure the `nsswitch.conf` file | Determining the Location of the Application Binaries Verifying the `nsswitch.conf` File Contents
Install and configure the application software | The appropriate Oracle Solaris Cluster data services book
Register and configure the data service | The appropriate Oracle Solaris Cluster data services book

### Example of Configuring a Failover Data Service

This example summarizes how to set up the resource types, resources, and resource groups that a failover data service for the Oracle application requires. For complete instructions for configuring the data service for the Oracle application, see Oracle Solaris Cluster Data Service for Oracle Guide.

The principal difference between this example and an example of a scalable data service is as follows: In addition to the failover resource group that contains the network resources, a scalable data service requires a separate resource group (scalable resource group) for the application resources.

The Oracle application has two components—a server and a listener. Oracle supplies theOracle Solaris Cluster HA for Oracle data service, and therefore these components have already been mapped into Oracle Solaris Cluster resource types. Both of these resource types are associated with resources and resource groups.

Because this example is a failover data service, the example uses logical hostname network resources, which are the IP addresses that fail over from a primary node to a secondary node. Place the logical hostname resources into a failover resource group, and then place the Oracle server resources and listener resources into the same resource group. This ordering enables all of the resources to fail over as a group.

For Oracle Solaris Cluster HA for Oracle to run on the cluster, you must define the following objects:

- `LogicalHostname` resource type – This resource type is built in, and therefore you do not need to explicitly register the resource type.

- Oracle resource types – Oracle Solaris Cluster HA for Oracle defines two Oracle resource types: a database server and a listener.

- Logical hostname resources – These resources host the IP addresses that fail over in a node failure.

- Oracle resources – You must specify two resource instances for Oracle Solaris Cluster HA for Oracle— a server and a listener.

- Failover resource group – This container is composed of the Oracle server and listener and logical hostname resources that will fail over as a group.

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