z/OS DFSMShsm Implementation and Customization Guide
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Duplex tape supported functions

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

Duplex tape supports the following functions:
  • Volume backup (including auto-backup)
  • Volume migration (including primary space management)
  • Recycle
  • Backup of migrated data sets
  • Backup copy moves from ML1 volumes
  • Secondary space management
  • Data set migration
  • FREEVOL
    • migration volume
    • backup volume
    • ML1BACKUPVERSIONS
  • SPILL processing
  • ARECOVER ML2 tape
  • Data set backup
Note: For the ARECOVER ML2 tape function, only one tape is created. If DUPLEX is specified, DFSMShsm generates internal tape copy requests automatically.
Parent topic: Creating concurrent tapes for on-site and offsite storage

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