>First this is a long entry, but I wanted to have 
>all the information here in hope that someone would have the answer.

>We are trying to convert to using SMS managed 
>volumes for our system dumps since we need the 
>LARGE attribute for our large DB2 dumps.  But 
>something is preventing the dumps from allocation 
>when MVS tries to make the allocation.  What?   HELP!

  In z/OS 1.13, SDUMP specifies the DSNTYPE=LARGE
text unit when dynamically allocating a dump data set, if the 
dump data set size is larger than 64k tracks. 

  Prior to z/OS 1.13, for dump data sets larger then 64k tracks, you would
need to use your SMS ACS routines to change the DSNTYPE to
EXTENDED (or maybe you can also change it to LARGE). 

Jim Mulder   z/OS System Test   IBM Corp.  Poughkeepsie,  NY

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