In a recent note, "Shmuel Metz (Seymour J.)" said:
> Date: Thu, 22 Sep 2005 15:26:13 -0300
>
> In <[log in to unmask]>, on 09/21/2005
> at 09:54 AM, Barry Merrill <[log in to unmask]> said:
>
> >Please educate me further: The allocation of an existing dataset has
> >to verify the dataset exists, by reading the VTOC to verify its
> >existence,
>
> No. In fact, there is IBM-supplied JCL that refers to data sets that
> do not exist.
>
> >and since DATASET NOT FOUND errors occur prior to LOADTIME
>
> DATASET NOT FOUND means that no catalog entry was found; it has
> nothing to do with whether a DSCB exists.
>
I do not see "DATASET NOT FOUND" in that case. Rather, I see:
IKJ56228I DATA SET SPPG.FOO.BAR NOT IN CATALOG OR CATALOG CAN NOT BE
ACCESSED
IKJ56701I MISSING DATA SET NAME+
IKJ56701I MISSING NAME OF DATA SET TO BE ALLOCATED
I suspect (without experiment) that "DATASET NOT FOUND" in fact
occurs at OPEN time, when a VTOC search for the DSCB fails.
-- gil
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