Can you use ISMF to browse the existing data classes?  Do any of them allow
multi-volume datasets, either by specifying a volume count or at least not
overriding the count you specify in the JCL?

Simply allocating and scratching a dataset may not give you what you want.
Before scratching it, you need to force the dataset to expand onto its
additional volumes.  As Tom suggested, allocate it with the smallest space
parameter and an extremely inefficient blocksize and then copy a ton of
records into it (some of the JES macros should do nicely).  Something along
the lines of
     PGM=IEFBR14                           allocation
     PGM=IEBGENER                       growth
     PGM=IDCAMS,COND=EVEN
          LISTCAT ENT(...),ALL        to confirm volumes
     PGM=IEFBR14,COND=EVEN  to generate SMF 17
Modify the IEBGENER step until it abends with the appropriate x37 code.

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
> Behalf Of Charles Mills
> Sent: Wednesday, April 06, 2016 8:36 AM
> To: [email protected]
> Subject: Re: How force dataset non-SMS?
> 
> Still the same answer. I want a multi-volser dataset and SMS is getting in
> the way of that.
> 
> Pure local test. No customers in the problem set.

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