Changing duplicate volume serial numbers

If you want DFSMSrmm to manage volumes with duplicate volume serial numbers and you cannot remove one of the duplicate volumes serial numbers, you must change volume serial numbers.

Add the duplicate volume serial number, as follows:

For volumes with no label (NL), file the duplicate volume under a different unique volume serial number. Assign the volume a volume serial number equal to the shelf location, change its external label, and inform the owners of the change.
For IBM standard label (SL) volumes and ISO/ANSI label (AL) volumes, move all data sets on the volume to a different, unique volume. Change the external labels and RACF profiles for the new volume. Inform the owners of the change. The owners must catalog the data sets on the new volume if the data sets were cataloged on the original volume.
You might need to perform this step if you have received volumes that contain software products.

Example: Set the initialize action for a volume that is defined to DFSMSrmm.

RMM CHANGEVOLUME D00001 INIT(Y)