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MF_UCC11

Enables emulation of UCC11, the JCL job re-start functionality.
Note: This environment variable works independently of the JCL RESTART parameter.

Syntax:

MF_UCC11=y|n|m

Properties:

Y
JCL job re-start functionality is enabled. When restarting a job with DISP=(NEW,CATLG), it will not result in job failure due to the data set already being cataloged.
M

On restart, a catalogued data set is presumed to have an initial disposition of MOD rather than NEW. As a result, any new data is appended to the existing data set.

N
JCL job re-start functionality is disabled.
Default: N
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