Mike Wawiorko wrote:
SYS13036.T095110.RA0.TSH012.COBLST

At a quick glance this looks like a temporary dataset. Could you have two 
similarly named trying to be allocated within the same second 09:51:10?

<snip>

If so...it's worth a look at the ALLOCxx parmlib support we added in z/OS V1.12, which should vastly reduce the probability of that sort of problem occurring for temporary data sets.

The keyword is SYSTEM TEMPDSFORMAT(UNIQUE|INCLUDELABEL), and INCLUDELABEL (the way the system used to act) is the default.

--
John Eells
z/OS Technical Marketing
IBM Poughkeepsie
[email protected]

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