3.6.1 Updating the instance environment settings

To update the instance environment in a cluster system, confirm the logical host name and the instance name, and then update the instance information. Set the instance information from the PFM - RM host on the executing node.

Check the information that needs to be updated by referring to 2.4.2 Updating an instance environment.

To confirm the logical host name and the instance name, use the jpcconf ha list command. To update the instance environment, use the jpcconf inst setup command.

The procedure for updating the instance environment follows. To update multiple instance environments, repeat this procedure.

Confirm the logical host name and the instance name.

Specify the service key indicating the PFM - RM for Virtual Machine instance that is running in the instance environment to be updated, and then execute the jpcconf ha list command.

For example, to confirm the logical host name and the instance name of PFM - RM for Virtual Machine, specify the following and then execute the command.
```
jpcconf ha list -key RMVM
```
If the logical host name that has been set is jp1_halvm and the instance name is inst1, the following is displayed:
If there are any active PFM - RM for Virtual Machine services in the instance environment to be updated, stop these services from the cluster software.
If the shared disk goes offline in Step 2, bring it online using a cluster software operation or volume manager operation.
Specify both the service key and the instance name indicating the PFM - RM for Virtual Machine instance that is running in the instance environment to be updated, and then execute the jpcconf inst setup command.

For example, to update an instance environment in which the logical host name of PFM - RM for Virtual Machine is jp1_halvm and the instance name is inst1, specify the following and then execute the command.
```
jpcconf inst setup -key RMVM -lhost jp1_halvm -inst inst1
```
Update the instance information of PFM - RM for Virtual Machine.

Enter the instance information of PFM - RM for Virtual Machine as instructed by the command. For details about the instance information of PFM - RM for Virtual Machine, see 2.4.2 Updating an instance environment. The current settings are displayed (note that the password value will not be displayed). If you choose not to change the displayed value, simply press the Enter key. Once all information has been input, the instance environment is updated.
Restart the services of the updated instance environment from the cluster software.

For details about how to start a service, see the chapter that explains startup and termination of Performance Management in the JP1/Performance Management User's Guide.

Note:: If you wish to change the value of an item that cannot be updated, first delete the instance environment and then re-create one.

For details about the commands, see the chapter that explains commands in the manual JP1/Performance Management Reference.

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