I would check you ACS routines to see if they have changed for this dataset.
ACS can be coded so that no matter what the JCL says, the dataset only gets
a specific amount.

If you cannot preallocate the data set in an SMS pool with the space you
want, it is like the space management tool (ACS routines or the like).

Second, see if there are any productions like DTS or CA-DISK or the like
that could also be controlling your JCL allocations.

Lizette
\> 
> Folks
> 
> I am experiencing a new problem using IRRUT200 which is used to make a
> copy
> of our RACF database.  We have been running this job for eons then
> suddenly
> we started getting D37-04 abends.  What appears to be happening is no
> matter
> what SPACE value we specify it is being 'clobbered' and we end up
> getting 1
> unit of whatever we request - so either 1 CYLINDER or 1 TRACK followed
> logically by a D37.
> 
> I have specified SPACE=(CYL,(150)) on my JCL - I have even pre-
> allocated the
> dataset with 150 CYLINDERS.
> 
> After the job abends and  I Check the dataset - the allocation is ONE
> CYLINDER.
> 
> The strange part is that this only happens for SMS datasets.  When I
> pre-allocate a NON-SMS dataset OR specify a non-sms dataset in my JCL -
> hey
> presto no problems - job works as intended.
> 
> Any ideas would be appreciated

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