Shmuel Metz (Seymour J.) wrote:

In <[email protected]>, on 07/31/2011
  at 12:31 AM, CM Poncelet <[email protected]> said:

I'm afraid I disagree.

Because you are confusing the DSCB with the blocks written in the
dataset.

We are arguing semantics ...


What it proves is not that the DCB on DASD was overwritten by the one in the JCL, but that the DCB in the JCL was incorrect/incompatible with the one on DASD.

Why would you get an I/O error if the DCB information on the DD
statement did not take precedence over that in the DSCB?

Why would a square peg not fit in a round hole if the round hole did not take precedence over the square peg?



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