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ONCONFIG File Templates

The database server provides a template for a configuration file that contains initial values for many of the ONCONFIG parameters.

IBM Informix Dynamic Server provides onconfig.std as a template configuration file that you can copy and tailor to your specific configuration.

If you omit a parameter value in your copy of the configuration file, the database server either uses default values in onconfig.std or calculates values based on other parameter values. For information on the order of files in which the database server looks for configuration values during initialization, refer to the chapter on initializing the database server in the IBM Informix Administrator's Guide.

Warning:
Do not modify or delete onconfig.std, which is a template and not a functional configuration.

The following table lists the locations of the ONCONFIG and onconfig.std files.

Operating System ONCONFIG File Template File
UNIX $INFORMIXDIR/etc/$ONCONFIG $INFORMIXDIR/etc/onconfig.std
Windows %INFORMIXDIR%\etc\%ONCONFIG% %INFORMIXDIR%\etc\onconfig.std
To prepare the ONCONFIG file
  1. Copy the onconfig.std template file.
  2. Modify the copy of the template file.
  3. Set the ONCONFIG environment variable to the name of the copy of the pertinent template file.

    If you do not set ONCONFIG, the default filename is onconfig.

For more details on why you might want to modify the default configuration parameters, refer to the chapter on configuring the database server in the IBM Informix Administrator's Guide.

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