HP NonStop G-Series - Manual (Page 60)

DSM/TC Tape Processing
DSM/Tape Catalog User’s Guide — 520233-008
3 - 8
Copying a Volume Set Created by the BACKUP
Utility

When converting your site to DSM/TC, you need to catalog a backup volume set
that was created before DSM/TC was in use, but not its disk files:
MC> ADD TAPEFILE OPR_MONDAY_BACKUP,&

>>> MODE BACKFILE,&

>>> EXPIRATION OCT 15 1993