B.3 OpenVMS TLZ07 Compression and Noncompression
Modes
The default mode for the TLZ07 tape drive is noncompression mode. To use
the TLZ07 tape drive in compression mode, specify:
MEDIA_FORMAT=COMPACT software switch
To use the TLZ07 tape drive in noncompression mode, specify:
MEDIA_FORMAT=NOCOMPACT software switch
Examples for enabling/disabling compression are:
INIT/MEDIA_FORMAT=(NO)COMPACT MKx#:
MOUNT/MEDIA_FORMAT=(NO)COMPACT MKx#:
BACKUP/MEDIA_FORMAT=(NO)COMPACT MKx#:
NOTE
To be sure that the compression is enabled/disabled, you should include
the correct software switch with each command line.
B–2 Enabling/Disabling Data Compression Under OSF and OpenVMS