HP 8505 8 mm User Manual
Page 38
StorageWorks 8505 8mm Cartridge Tape Drive
D–2
Order Nu
Example:
# lsdev –Cc tape
Name
Status
Location
Description
rmt0
Available
00–03–00–50
Other SCSI Tape Drive
Next, type:
# chdev –l
Example:
# chdev –l rmt0 –a density_set_1=140 –a density_set_2=20
rmt0 changed
Finally, type the following:
# chdev –l
Example:
# chdev –l rmt0 –a block_size=1024
rmt0 changed
where,
<
rmt*>
is the tape drive added as shown by the
lsdev
command.
<
SIZE>
is the fixed block size (0 = variable, 1024 is suggested).
<
DENSITY_1>
(140 suggested) and
DENSITY_2
(20 suggested).
Code
Density Code Meanings
0
for EXB-8500, compression on, suppress density error checking.
20
for EXB-8200, density error checking enabled.
21
for EXB-8500, density error checking enabled.
127
for current density, suppress density error checking.
140
for EXB-8500, compression on, density error checking enabled.
144
for EXB-8200, compression on, density error checking enabled.
The files that are created are:
Tape Drive Special File Characteristics
Special File Name
Rewind-on-Close
Retention-on Open
Bytes-per-Inch
/dev/rmt*
Yes
No
Density Setting # 1
/dev/rmt*.1
No
No
Density Setting # 1
/dev/rmt*.2
Yes
Yes
Density Setting # 1
/dev/rmt*.3
No
Yes
Density Setting # 1
/dev/rmt*.4
Yes
No
Density Setting # 2
/dev/rmt*.5
No
No
Density Setting # 2
/dev/rmt*.6
Yes
Yes
Density Setting # 2
/dev/rmt*.7
No
Yes
Density Setting # 2