Space banner


This space provides the same content as before, but the organization of the home page has changed. The content is now organized based on logical branches instead of legacy book titles. We hope that the new structure will help you quickly find the content that you need.

Working with the DBC subsystem

To use the DBC technology, you must start and manage a DBC subsystem.

This section explains how to:

  • Start a DBC subsystem

  • Specify DBCPARMS parameters

  • Stop a DBC subsystem


If you are using a version of IBM z/OS earlier than Version 1 Release 12, ensure that the AF_UNIX MAXSOCKETS value in BPXPRM xx is set to a value of at least 1000 before starting the DBC subsystem. For more information about the MAXSOCKETS value, refer to IBM documentation.

This section contains provide following topics:

Was this page helpful? Yes No Submitting... Thank you