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The CTTSBD utility can be run in simulation mode. This mode can be used to experiment with various stacking configurations (meaning, data set group definitions) without effecting data set location in the tape library.
In simulation mode, the CTTSBD utility calculates output volume capacity according to the value specified for the OUTVOLMB parameter. A very large value can be specified for the OUTVOLMB parameter to indicate virtually unlimited capacity for output volumes. This is useful for determining how many logical sets of output files are produced by a run of the CTTSBD utility.
Multiple runs of the CTTSBD utility in simulation mode can be used to compare the results of batch stacking with various combinations of input volumes. The reports produced are described above.
Note: The reports generated by a run of the CTTSBD utility in simulation mode assume that arbitrary scratch volumes are mounted and numbered with fictitious volume serial numbers (volsers) such as 000001, 000002, 000003, and so on. Simulated mounts are listed according to the volsers of the fictitious scratch volumes.
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