Answer / jayanth

MODEL PARAMETER ENSURES THAT SAME DCB AND EXPDT INFO IS
USED TO CREATE ALL GENERATIONS.ENSURES GREATER CONSISTENCY
AMONG GENERATIONS.

Answer / shakila vinayagam

Before using GDG , We need to create GDG index and model.
IDCAMS (the 'AMS' stands for Access Method Services),
utility is used to create GDG index.
Once the index has been created, a model data set must
be created. This model data set contains specifications
for the DCB subparameters for all data sets that will
belong to that GDG. Programmer can override this default
values if he want.

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