DSM/Tape Catalog Operator Interface (MEDIACOM) Manual

DSM/Tape Catalog Operator Interface (MEDIACOM) Manual—429828-010
B-1
B
Labeling and Density Guidelines
NonStop Kernel tape drives support various read/write densities and tape labels.
Table B-1. Labeling and Density Guidelines by Tape Unit
Product
Number Tape Type
Tape
Speed
(ips)
Densities
(bpi)
Hardware
Density
Selection Labeling Guidelines
512x Cartridge
(5120)
n/a n/a Use
TAPEMODE
STARTSTOP
or STREAM
parameter
If TAPEMODE is specified,
tape is labeled at the value
specified. Drive defaults to
STARTSTOP if no SYSGEN
value is specified.
5130
5131
Open Reel 200 1600
6250
Programmatic
only
If DENSITY is specified,
tape is labeled at the value
specified. If DENSITY is not
specified, the SYSGEN
density value is used. If no
DENSITY and no SYSGEN
value were specified, the
tape is labeled at 1600 bpi.
5157
5158
Cartridge
(DLT tape
III, IIIxt, IV)
n/a 2600 to
70,000
Programmatic
or hardware
selection
Streaming tape drive only.
Startstop tape mode not
supported. Density depends
on cartridge and settings.
5160 Open Reel 125 1600 None—only
one density
Streaming tape drive only.
Startstop tape mode not
supported.
5170 Open Reel 125 1600
6250
Programmatic
only
Streaming tape drive only.
Startstop tape mode not
supported. Default density is
1600.
5180 Cartridge
(3480)
79 37,871 None—only
one density
Streaming tape drive only.
Startstop tape mode not
supported.
5190
5194
Cartridge
(3480,
3490)
n/a 38,000 None—only
one density
Streaming tape drive only.
Startstop tape mode not
supported.