z/OS DFSMShsm Implementation and Customization Guide
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DFHSMDATASETSERIALIZATION

z/OS DFSMShsm Implementation and Customization Guide
SC23-6869-01

The SETSYS DFHSMDATASETSERIALIZATION option directs DFSMShsm to serialize user data sets during volume migration and volume backup processing.

If you specify . . . Then . . .
SETSYS DFHSMDATASETSERIALIZATION DFSMShsm serializes data sets processed by volume migration and volume backup by reserving the source volume during data set processing. DFSMShsm releases the volume after the data copy, as each volume’s data sets migrate or are backed up.

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