z/OS DFSMShsm Implementation and Customization Guide
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DFSMShsm tape media

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

Attention: Reel-type tapes associated with devices prior to 3480 are no longer written for backup and migration functions. However, they are still supported for recall and recover functions.
DFSMShsm tape processing functions support single file tapes. You cannot create either multiple file reel-type backup or migration tapes. Support of reel-type tapes is limited to the following functions:
  • Recall or recovery of data sets that currently reside on reel-type tapes
  • Creation of dump tapes
  • Creation of CDS Version Backup tapes
  • ABARS functions
DFSMShsm requires standard labels, but does not support user labels (UHL1 through UHL8), on each type of tape.
Parent topic: Defining the tape management policies for your site

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