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Duplex tape creation z/OS DFSMShsm Implementation and Customization Guide SC23-6869-01 |
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To specify duplexing for backup and migration volumes, issue the
SETSYS command with the keyword DUPLEX. BACKUP is an optional subparameter
that specifies whether duplex alternates will be made for backup volumes.
MIGRATION is another optional subparameter that specifies whether
duplex alternates will be made for migration volumes. You can also
specify that duplexing occurs for both backup and migration volumes.
Remember that specifying duplexing (backup or migration) also affects
recycle output processing.
Note: When you specify either
BACKUP or MIGRATION with no subparameter, the default is Y. If you
do not specify DUPLEX and either of its subparameters, duplexing does
not occur.
For more information about the SETSYS command syntax and the DUPLEX parameter, see z/OS DFSMShsm Storage Administration. |
Copyright IBM Corporation 1990, 2014
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