z/OS DFSMS Using Data Sets
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Positioning During End-of-Volume

z/OS DFSMS Using Data Sets
SC23-6855-00

When a tape end-of-volume condition is detected and the system does not need the drive for another tape, the system positions the volume according to the disposition specified in the DD statement unless the volume disposition is specified in the OPEN macro. Volume positioning instructions for a sequential data set on magnetic tape can be specified as LEAVE or REREAD.

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