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The MINIMUM and PDS parameters are always used together and are never used with other Basic Scheduling parameters.
The PDS parameter identifies a library, and the MINIMUM parameter specifies the minimum number of free tracks required by that library.
These parameters are intended for use (that is, definition) in jobs and started tasks that compress, clean and/or enlarge libraries, or which issue a warning message to the IOA Log file (that is, if TASKTYPE=WRN) if the minimum number of free tracks is not available.
If the MINIMUM and PDS parameters are defined for a job, the scheduling of the job is not related to or dependent upon any date criteria. Instead, the job is scheduled if the actual number of free tracks available in the specified library is below the specified minimum at time of daily job ordering. The job or started task can then compress, clean, or enlarge the library (or issue the appropriate warning).
Note: MINIMUM does not work with PDSE-type libraries because they always appear to be 100 percent full. MINIMUM only checks current extents.
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