Description
Enables emulation of UCC11, the JCL job re-start functionality. This environment variable affects data set disposition processing in the following ways:
- If UCC11 is enabled, a data set disposition of
NEW is accepted even if the data set already exists. The features that this environment variable enables are:
Properties:
- Y
- JCL job re-start functionality is enabled. When restarting a job with
DISP=(NEW,CATLG), datasets will not result in job failure due to the dataset already being cataloged.
- M
-
On a restart a catalogued a dataset is presumed to have an initial disposition of
MOD rather than
NEW. As a result, any new data is appended to the existing dataset.
- N
- JCL job re-start functionality is disabled.