Moving a multivolume RACF-indicated data set between systems

When moving a multivolume RACF-indicated DASD data set from a source system to a destination system, you might need to update the RACF® database on the destination system. This step is necessary if you extend a non-VSAM data set to additional volumes on one system and then move it to another system where the data set is defined to RACF. In this case, the RACF database on the destination system does not have the new volume serial number in the data set profile. The procedure required to add the new volume to the profile depends on whether the data set was extended on a RACF-active system or a non-RACF (or RACF-inactive) system.

Note: This explanation assumes the data set is RACF-defined on the destination system. If it is not, you must enter the ADDSD command to define it.

If the data set was extended on a RACF-active system, you must enter the ALTDSD command (with the ADDVOL and NOSET operands) on the destination system. This command adds the new volume serial number to the RACF database profile but does not change the data set's RACF indicator.

Note: The source system automatically added the new volume number to its own RACF database profile when the data set was extended. At the same time, the source system set the RACF indicator for that portion of the data set that is on the new volume.

If the data set was extended on a non-RACF or RACF-inactive system, you must enter the ALTDSD command (using the ADDVOL and SET operands) on the destination system. In addition to adding the new volume serial number to the RACF database profile, this command sets the RACF indicator for that portion of the data set on the new volume. You use the SET operand because the non-RACF source system did not set the indicator when the data set was extended.

Multivolume VSAM data sets do not require these procedures. The RACF profile for a VSAM data set gives the volume serial number of only the catalog containing the data set entry. Therefore, a VSAM data set can extend to additional volumes without requiring changes to the RACF profile. Also, the VSAM catalog contains one RACF indicator for the entire data set regardless of the number of volumes; an indicator does not need to be set for each new volume.