Paul Gilmartin wrote:
On Fri, 10 Jul 2009 17:35:04 -0700, Edward Jaffe wrote:
Do you *not* use SMS for temporary data sets in your environment?

I'm confused:

        15 //WORK      DD   UNIT=SYSALLDA,SPACE=(CYL,(10,10)),
           //  RECFM=U,BLKSIZE=32760
     ...
 IGD100I 4159 ALLOCATED TO DDNAME WORK     DATACLAS (        )

    12.114 "z/OS V1R7.0 MVS System Messages, Vol 8 (IEF-IGD)"
  
___________________________________________________________________________________________

   IGD100I dev ALLOCATED TO DDNAME ddname DATACLAS dcname

   Explanation: The system created a new non-SMS data set on a device for a 
DDNAME using
   the data class specified.

   Source: Storage management subsystem (SMS)

Does this mean we do or do "*not* use SMS"?

What are the advantages either way?  Inertia?  Should I ask my
sysprog?

-- gil

Technically, it is STORCLAS that is the defining attribute:
* If a data set has a STORCLAS, it is SMS-managed
* To be SMS-managed a data set has to have a STORCLAS

DATACLAS is optional for SMS-managed data sets, and may be
used by non-SMS-managed data sets

MGMTCLAS is optional for SMS-managed data sets, and may not
be used by non-SMS-managed data sets


Kind regards,

-Steve Comstock
The Trainer's Friend, Inc.

303-393-8716
http://www.trainersfriend.com

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