When should DISP=MOD is used?
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Answer / guest
DISP=MOD is used to either extend an existing sequential
dataset or to create a dataset if it does not exist. If the
dataset exists, then records are appended to the dataset at
the end of the existing dataset. If the dataset does not
exist, the system treats MOD as if it were NEW, provided
that the volume parameter has not been used. If the volume
parameter is used, the system terminates the job and does
not create the new dataset. MOD can be used to add to a
dataset that extends onto several volumes. Always specify a
disposition of CATLG with MOD for cataloged datasets, even
if they are already cataloged, so that any additional volume
serial numbers will be recorded in the catalog.
| Is This Answer Correct ? | 36 Yes | 5 No |
Answer / peter
Disp=New tells the system to create a NEW dataset at step
initiation, so that the program can use the newly created
dataset.
The dataset is NOT created at the end of the job-step, "step
termination", but the system looks at the second positional
parameter in the DISP=(NEW,xxx) whether the dataset should
be kept or not!!
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / nithya
Dataset is already created and new records are appended at the end
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / xyz
disp=old refers to dataset already created.
disp=new refers to dataset to be created at end of this step
disp=mod refers some data contents are added at end of
dataset if
dataset already present or a new dataset is created if it
is not already present.
| Is This Answer Correct ? | 8 Yes | 9 No |
Answer / vinay
disp=mod is used to modify the records in existing datasets
| Is This Answer Correct ? | 1 Yes | 4 No |
Answer / vamsi
IT IS USED FOR ONLY EXISTING DATA SETS FOR ABEND DATA(ADDING).
| Is This Answer Correct ? | 4 Yes | 10 No |
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My JCL have five steps & I created new versions of GDG in first step through fourth step & fifth step I was refered Step one GDG version. My JCL got abend at 4th step and how I can restart my JCL Please let me know the answers. //STEP1 EXEC GDG1(+1) DISP=(NEW) //STEP2 EXEC GDG1(+2) DISP=(NEW) //STEP3 EXEC GDG1(+3) DISP=(NEW) //STEP4 EXEC GDG1(+4) DISP=(NEW) //STEP5 EXEC GDG1(+1) DISP=(OLD)
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