z/OS JES2 Commands
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Calculating tracks

z/OS JES2 Commands
SA32-0990-00

Figure 1 shows how the highest track used on the source volume dictates the amount of space that is required on the target volume. The starting track and highest used tracks of the source spool data set are used to calculate the total number of tracks that are required on the target volume to house the source spool data set.
Note: A highly fragmented spool volume can potentially require significantly more space on the target volume than the actual size of the allocated tracks on the source volume.
Figure 1. Track calculation
Track calculation

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