When a volume dump of a level 0 volume is directed to a dump class that has a VTOCCOPIES value greater than zero, a VTOC copy data set is created. Only one VTOC copy data set is created for each dump generation. If more dump copies of a given volume associated with the same dump class are kept than the specified limit of VTOCCOPIES, the VTOC copies created for the older dumps are excess. If the VTOC copy is in excess for all other dump copies in the same generation, the VTOC copy is deleted and uncataloged during this phase of automatic dump.