(ttt)-mmmmm(yy),
DATA SET dsname pre-allocateD [WITH NEW NAME dsname][,
IN CATALOG catalog_name], ON VOLUME(S): {volume_serial_number | volume_serial_number_list}
Explanation
The data set was selected for replacement as a
pre-allocated target data set. The target catalog name, if known,
is printed. The target volume or optional volume list is always printed
with this message.