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Configuring Your Product › Activate the CA Disk System › Activate CA Disk Features › Activating the DBRC Interface › To Activate the DBRC Support

To Activate the DBRC Support

To activate the DBRC support perform the following procedure.

To activate the DBRC support

  1. Provide CA Disk with the name of the IMS resident load library in sysparm DBRCRLIB. CA Disk gets the names of the RECON data sets from here. The library is dynamically allocated when it is needed.

    Alternatively, provide a //RESLIB dd statement to identify the library. The ARCHIVE, RETAIN, RESTORE, RECOVER, DMS, CONFIGR and MIGRATE procedures potentially needs the library.

  2. Provide CA Disk with the release number of IMS you are using by specifying sysparm DBRCRLSE. The default value is for Release 1.3.0. Enter the value without periods: 130.

    The format of the RECON data sets changed in IMS Release 2.0.0., so for CA Disk to determine the format, the release is needed.

  3. Create member DBRCDSNS in the CA Disk parmlib data set.
  4. Enter the following in member DBRCDSNS: explicit, pattern names, or both of IMS data sets , image-copy data sets or both for which CA Disk DBRC processing is to be done.

    A sample is provided in member SAMPDBRC of parmlib. If the name of the data set processed does not have a matching entry in this member, no further DBRC processing takes place.

  5. Ensure that the naming conventions in member DBRCDSNS provide for easy identification. When they do, this feature provides a more efficient method of determining that DBRC processing is not needed.

    A pattern of / causes every data set to be examined against the list of names extracted from the RECON data set, while an empty member effectively turns off the DBRC support.

    Note: Removing a pattern name or by supplying a pattern that never matches any data set names, also inactivates the DBRC support.

  6. Provide a disk data set in which DBRC control statements can be written and identify this data set to CA Disk with a //DBRCCARD dd statement in those functions where it is needed. The data set can be any sequential or partitioned data set that supports 80-byte fixed-length records.
  7. Provide JCL for the DBRC update utility with the //SYSIN dd statement pointing to the same data set as in step 6 above.
  8. Activate the support by specifying sysparm DBRCSUPP with a value of C.