Didn’t know I need I never turned on a flag and did lots of SVC 99 though
none to access vtoc


Joe Reichman

On Wed, Jul 15, 2026 at 8:01 PM Charles Mills <[email protected]> wrote:

> I misunderstood what you were trying to say. You can't find the DD name in
> the TIOT after SVC 99 allocation? Odd. Hard to fathom.
>
> Do you have that flag turned on that allocates XTIOTs?
>
> Charles
>
> On Wed, 15 Jul 2026 18:02:14 -0400, Joseph Reichman <[email protected]>
> wrote:
>
> >Hi
> >
> >I am trying to read dscb from the vtoc
> >
> >So I allocate dalddnam daldsnam dalvolser
> >Dalstats
> >
> >
> >I get a return code 0 from SVC 99
> >
> >I am running this under tso test and I scan the tiot  afterwards and
> cannt find my ddname vtocdd
> >
> >Thanks
> >
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