Answer / somalaraju

i told yes,but he asked have u ever tried with this type of
generations in same GDG.
I told that we can provide different lengths while creating
the Generations even they belong to same GDG, but i never get
a chance to do that one.

Answer / vishal

Yes, we can definitely have different GDG versions with
different LRECL. e.g. in the below change the LRECL to as
per your needs and each time it will generate the GDG
version with the LRECL provided.

//DD1 DD DSN=BASEG(+1),DISP=(NEW,CATLG,CATLG)
DCB=(MODELNAME,LRECL="WHAT U WANT"

However, there is a catch. If the GDG is being updated by a
program then whatever length has been declared in the
program (of the file corresponding to DD1), the GDG version
will have that same length, irrespective of the length
declared in the JCL.

Note: I guess if the length declared in the Program is
greater than that LRECL given in the JCL then we may face
JCL errors but I am not sure of this. SomEene can check and
let everyone know.

Answer / krishna

YES
by overideing the LENGTH PARAMETER of model dataset

SYNTAX:
//DD1 DD DSN=BASEG(+2),DISP=(NEW,CATLG,CATLG)
DCB=(MODELNAME, RECLNG="WHAT U WANT"

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