Preparing the Nodes and Disks

This section contains the procedures that you need to prepare the nodes and disks.

Note - The following steps are based on the configurations that are described in Standard Data Service Configurations.

How to Prepare the Nodes for a Failover Configuration

Use this procedure to prepare for the installation and configuration of WebLogic Server in a failover configuration.

Create a failover resource group to hold the logical hostname and the WebLogic Administration Server resources.
```
# clresourcegroup create [-n nodelist] RG1
```
Add the logical host name resource.
The logical-host–1 is the host name the WebLogic Administration Server will be listening on. This host name can be set from the WebLogic console.
```
# clreslogicalhostname create -g RG1 logical-host-1
```
Note - If you require a fully qualified host name, you must specify the fully qualified name with the -h option and you cannot use the fully qualified form in the resource name.
Bring the resource group online.
```
# clresourcegroup online -M RG1
```
Create a failover resource group to hold the logical host name and the WebLogic Managed Server resources.
Note - Depending on the number of WebLogic Servers and on the configuration planned, create the resource groups and the logical_hostname resources. Refer to Standard Data Service Configurations.
```
# clresourcegroup create [-n nodelist] RG2
```
Add the logical host name resource.
The logical-host-2 is the host name on which the WebLogic Administration Server will be listening.
```
# clreslogicalhostname create -g RG2 logical-host-2
```
Note - If you require a fully qualified host name, you must specify the fully qualified name with the -h option and you cannot use the fully qualified form in the resource name.
Bring the resource group online.
```
# clresourcegroup online -M RG2
```

Use this procedure to prepare for the installation and configuration of WebLogic Server in a multi-master configuration.

Create a scalable resource group for managed servers.
```
# clresourcegroup create \ -p Maximum_primaries=m -p Desired_primaries=n scalable-resource-group
```
Use the following information:
- -p Maximum_primaries=m specifies the maximum number of active primary nodes permitted for this resource group. The default is 1.
- -p Desired_primaries=n specifies the desired number of active primary nodes for this resource group. The default is 1.
- scalable-resource-group is the resource group name.

Bring the resource group online

# clresourceoup online -M scalable-resource-group

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	Oracle Solaris Cluster Data Service for Oracle WebLogic Server Guide Oracle Solaris Cluster 4.0