On Sat, 17 Nov 2007 12:30:34 -0500, Peter Relson wrote:
>
>Removing the ENQ is easy. Increasing the size of an existing data set for
>which the system has obtained ENQs is not supported, and you do so at your
>own risk. The ENQ's are in place so that you do NOT do this.
>
Apparently the key word here is "system".  I tried the experiment
and readily performed secondary allocation with a batch job
(IEBGENER SYSUT2) while my TSO session had the DSH allocated SHR.

Does the system hold an exclusive ENQ to prevent this?

-- gil

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