StorageWorks DLT 10/20-GB Cartridge Tape Drive
D2
Order Number: EK–SM1TB–UG. E01
D.1.2
Installing the SWXTL-BA Using Command-Line Interface
From the command line, type:
# cfgmgr
To determine which rmt has been added, type:
# lsdev –Cc tape
Example:
# lsdev –Cc tape
Name
Status
Location
Description
rmt0
Available
00–03–00–50
Other SCSI Tape Drive
Next, type:
# chdev –l <rmt*> –a density_set_1=129 –a density_set_2=128
Finally, type the following:
# chdev –l <rmt*> –a block_size=<SIZE>
Example:
# chdev –l rmt0 –a block_size=10240
rmt0 changed
where,
<
rmt*>
is the tape drive added as shown by the
lsdev
command.
<
SIZE>
is the fixed block size (0 = variable, 10240 is suggested).
Density code “129” specifies compressed format while “128” specifies uncompressed format. In
rare cases, other density codes may be useful. The legal values for the density code are listed in
the following table:
Density Code
Meaning
10
TK50 – 6667 bpi FMF serial cartridge tape X3B5/86-199 (read-only)
22
TK70 – 10000 bpi FMF serial cartridge tape X3.193-1990 (read-only)
23
TK85 – 42500 bpi FMF serial cartridge tape X3B5/91-1174, 2.6 GB
24
TK86 – Same as TK85 except with 56 track pairs versus 24, 6.0 GB
25
TK87 – 62500 bpi, 64 track pairs, serial cartridge tape, 10 GB (native)
127
No change from previous density (Mode Select)
129
TK87 format, compression DISABLED
128
TK87 format, compression ENABLED
