VB without LBI this would not apply.
F, FB, or VB with LBI this would apply.

On Fri, Feb 26, 2021 at 4:01 PM Joseph Reichman <[email protected]> wrote:
>
> Thank you I’m using VB
>
>
>
> > On Feb 26, 2021, at 4:36 PM, Mike Schwab <[email protected]> wrote:
> >
> > https://www.ibm.com/support/knowledgecenter/SSLTBW_2.3.0/com.ibm.zos.v2r3.idad400/len99.htm#len99
> >
> > Undefined-length records when using LBI or for fixed-length blocked:
> > The method described in the following paragraphs can be used to
> > calculate the block length. You can use this method with BSAM, BPAM,
> > or BDAM. (It should not be used when using chained scheduling with
> > format-U records. In that case, the length of a record cannot be
> > determined.
> >
> > After issuing the CHECK macro for the DECB for the READ request, but
> > before issuing any subsequent data management macros that specif
> >
> > If you are using LBI for BSAM or BPAM, subtract 12 from the address of
> > the status area. This gives the address of the 4 bytes that contain
> > the length of the block read.
> >
> >> On Fri, Feb 26, 2021 at 3:00 PM Joseph Reichman <[email protected]> 
> >> wrote:
> >>
> >> Hi
> >>
> >> If I code a DCBE and specify a large block interface
> >> Larger than that allowed on the DCB
> >>
> >> Would anyone know after the I/o is complete
> >> His many  bytes are actually read
> >>
> >> Thanks
> >>
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> >
> >
> >
> > --
> > Mike A Schwab, Springfield IL USA
> > Where do Forest Rangers go to get away from it all?
> >
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> > send email to [email protected] with the message: INFO IBM-MAIN
>
> ----------------------------------------------------------------------
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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