Operation
21
3
Selecting Density Using Software Commands.
To select the recording density by using software commands:
1. Choose a density specifier from Table 3-5.
2. Type the
mt
command with the appropriate density specifier (Table 3-5).
For example:
See the
st
and
mt
man pages for more information.
Table 3-5
Density Specifiers
Density
Specifiers
Cartridge Types and Capacities
Type IV
Type IIIxt
Type III
l, h
20 Gbytes
15 Gbytes
10 Gbytes
m, c
40 Gbytes
1
30 Gbytes
1
20 Gbytes
1
1
Assumes a typical compression ratio of 2:1. The compression ratio will vary depending upon the type of
data being compressed.
#mt -f /dev/rmt/3u rewind
