Preparing for Installation › Migration Preparation › How to Migrate Your Initialization File

How to Migrate Your Initialization File

If you have an existing region INI file from r11 onwards, you can migrate the file for use in this release.

Important! Review and update the file to ensure that names such as ACBs, data sets, and interfaces are suitable for the new region.

The process of migrating your INI file consists of the following steps:

1. If you have not already generated your INI file, generate the INI file in the previous region.
2. Configure the file by updating the data set names used, and checking the ACB and various interface names. Alternatively, you can delete the configuration section for a whole parameter group to let the defaults for the new region be used.

   Note: During region initialization, the INI file is applied by passing all parameter values to the INI file procedure and letting the procedure overwrite the values as needed. If you do not want to overwrite the settings for a parameter group or individual parameter, comment out or delete the statements in the INI file that contains the group or parameter. Setting the value of a parameter to null sets the parameter value to null, which may not be what you wanted.

3. Start the new region using the INI file by editing your RUNSYSIN.

   After you start the region, you can check it and regenerate the INI if necessary.

   Important! Generation of the INI file replaces custom code, such as code that includes MVS system symbols, with the actual values. If you regenerate the file, reapply the custom code.

Note: For more information about setting up the initialization file, see the Administration Guide.