In <[email protected]>, on 05/06/2015
   at 01:43 PM, Fred van der Windt <[email protected]>
said:

>I want to retrieve the primary allocation of a dataset.

You can't get that from the DSCB; the NVR has it for SMS datasets.
There is no indication in the VTOC as to which extent came from the
primary. The best that you can do is to look at the first extent and
hope that it is the only extent initially allocated. Even then you
can't tell the allocation units.

Query: does that change on an EAV?
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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