Generating tailored Db2 12 installation, migration, or function level activation jobs

You can generate tailored JCL jobs and input files for installing Db2, migrating to Db2 12, or Db2 activating Db2 12 function levels by using the Db2 installation CLIST. The Db2 installation CLIST displays a series of ISPF panels that prompt you to supply parameter values or accept the supplied default values. In most cases, the fields on the ISPF panels correspond with Db2 subsystem parameters.

Before you begin

You must use SMP/E to load the required Db2 12 libraries, as described in Making the Db2 product code available. At minimum, generating Db2 installation, migration, or function level activation jobs requires the following Db2 load libraries:

prefix.SDSNCLST
prefix.SDSNSPFM
prefix.SDSNSPFP
prefix.SDSNSAMP
prefix.SDSNIVPD (only if generating z/OSMF artifacts)

About this task

Tip: You can capture most settings of an existing Db2 subsystem by running the DSNTIJXZ job, which invokes the DSNTXAZP tool. Running this job reduces the effort to manually compare settings in the current DSNTIJUZ job with the values that are defined in the defaults input member. For details, see Updating the CLIST defaults input member: job DSNTIJXZ and DSNTXAZP tool.

Important: If you use the installation CLIST, do not change any members in your prefix.SDSNSAMP library. If you do, the installation CLIST can fail or produce unpredictable results when tailoring the installation or migration jobs.

Procedure

Run the Db2 installation CLIST in interactive mode. For more information, see Generating tailored installation, migration, or function level activation jobs by running the Db2 installation CLIST in interactive mode.

Results

The values that you specified describe the operating characteristics of the Db2 subsystem and configure the subsystem parameter module and application defaults load module:

Subsystem parameter module: The subsystem parameter module is generated by job DSNTIJUZ each time that you install, migrate, or update Db2. Six macros expand to form this data-only subsystem parameter load module. The load module contains the Db2execution-time parameters that you selected using the ISPF panels. These six macros are DSN6ARVP, DSN6FAC, DSN6LOGP, DSN6SPRM, DSN6SYSP, and DSN6GRP. By default, this load module has the name that you specify in the PARAMETER MODULE field in panel DSNTIPO3. For more information, see PARAMETER MODULE field.
Application defaults load module: The application defaults load module, sometimes called the DSNHDECP, is generated by job DSNTIJUA. This module contains the application programming defaults. By default, this load module has the name that you specify in the APPL DEFAULTS field of installation panel DSNTIPO3. For more information, see APPL DEFAULTS field.

What to do next

If you are installing Db2, you might need to tailor several items in the installation jobs, such as data set names or library names, to meet the requirements of your site. For more information see Tailoring the installation jobs.

After a successful installation or migration, you can also update values that you specified later to improve your operations. For more information, see Updating subsystem parameter and application default values.