# Add an Instance for Informix

To back up an Informix database, add an instance for the database.

When you add an instance, a default subclient is created for the instance. The default subclient contains all the data, and cannot be deleted. You can create more subclients for data that has different backup requirements.

## Procedure

1. From the Command Center navigation pane, go to Protect > Databases.

   The database Overview appears.

2. From the Add instances list, select Database server.

   The Configure Database Instance dialog box appears.

3. Select Informix.

   The Add Informix instance dialog box appears.

4. From the Server name list, select the server that contains the Informix instance.

5. In the Instance name box, type a name for the instance.

6. From the Plan list, select the backup plan to use for the instance.

7. You must make the following changes as per credential manager:

   1. If you select Unix server, do the following:

      - In the User name box, enter the user that can perform the On-Bar backups and restores.

   2. If you select Windows server, do the following:

      - From the Informix user credentials list, select an existing username and password. You can also add a new credential.

        Steps to add a credential

        1. Click +.

           The Add Credential dialog box appears.

        2. In the Account type box, the Linux account is selected by default.

        3. From the Credential Vault list, select a credential vault to store, share, and update account credentials with shared resources in your environment.

        4. In the Credential name box, enter a unique name to access the credential.

        5. In the User account box, enter the user account that has access to the Informix server.

        6. In the Password box, enter the password for the user account.

        7. In the Description box, enter a brief description for the credential.

        8. Click Save.

8. In the Informix home box, enter the path to the Informix home directory.

9. In the Onconfig file box, enter the name of the ONCONFIG file.

   The software uses this file to administer the number of streams and other capabilities for Informix.

10. In the SQLHOSTS file box, enter the path to the SQLHOSTS file.

    For example, enter the following:

    - Windows: C:\Program Files\IBM\Informix\12.10\etc\sqlhosts.demo_on

    - UNIX: /opt/IBM/informix/14.10/etc/sqlhosts.demo_on

11. Click Add.

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