The special fields for a generation data group base entry describe attributes of the generation data group.

ATTRIBUTES

This field includes the following fields:

EMPTY

All generation data sets in the generation data group are uncataloged when the maximum number (given under LIMIT) is reached and one more data set is to added to the group.

LIMIT

The maximum number of generation data sets allowed in the generation data group.

NOEMPTY

Only the oldest generation data set in the generation data group is uncataloged when the maximum number (given under LIMIT) is reached and one more data set is to be added to the group.

NOSCRATCH

Generation data sets are not to be scratched (see SCRATCH below) when uncataloged.

SCRATCH

Generation data sets are to be scratched (that is, the DSCB describing each one is removed from the VTOC of the volume where it resides) when uncataloged.