This step performs the conversion of your production files. During the cutover process, the VSAM file or files are not available to application programs until you have successfully completed testing. The time for this could range from a few minutes to many hours.
To minimize the time when the data is unavailable, preparation as possible in advance of the cutover. This preparation includes tasks such as creating the DB2® objects and binding the DB2 packages. See Production cutover for a detailed list of cutover tasks.