<s>
Travan	B-Device
is	O
an	O
8	O
mm	O
magnetic	O
tape	O
cartridge	O
design	O
developed	O
by	O
the	O
3M	O
company	O
,	O
used	O
for	O
the	O
storage	O
of	O
data	O
in	O
computer	O
backups	B-Protocol
and	O
mass	B-Device
storage	I-Device
.	O
</s>
<s>
Over	O
time	O
,	O
subsequent	O
versions	O
of	O
Travan	B-Device
cartridges	O
and	O
drives	O
have	O
been	O
developed	O
that	O
provide	O
greater	O
data	O
capacity	O
,	O
while	O
retaining	O
the	O
standard	O
8	O
mm	O
width	O
and	O
750	O
 '	O
length	O
.	O
</s>
<s>
Travan	B-Device
is	O
standardized	O
under	O
the	O
QIC	B-Device
body	O
.	O
</s>
<s>
HP	O
Colorado	O
,	O
Iomega	B-Device
DittoMax	I-Device
and	O
AIWA	O
Bolt	O
are	O
proprietary	O
versions	O
of	O
the	O
Travan	B-Device
format	O
.	O
</s>
<s>
The	O
Travan	B-Device
format	O
competed	O
mainly	O
against	O
the	O
DDS	B-Architecture
,	O
AIT	B-Device
,	O
and	O
VXA	B-Device
formats	O
.	O
</s>
<s>
Travan	B-Device
TR-1	O
cartridges	O
offer	O
a	O
400	O
MB	O
native	B-Device
capacity	I-Device
with	O
a	O
0.25	O
MB/s	O
transfer	O
rate	O
using	O
the	O
QIC-80	O
media	O
format	O
.	O
</s>
<s>
TR-2	O
cartridges	O
were	O
designed	O
to	O
have	O
an	O
800	O
MB	O
native	B-Device
capacity	I-Device
with	O
a	O
0.25	O
MB/s	O
transfer	O
rate	O
using	O
the	O
QIC-3010	O
media	O
format	O
.	O
</s>
<s>
Travan	B-Device
TR-3	O
cartridges	O
offer	O
a	O
1.6	O
GB	O
native	B-Device
capacity	I-Device
with	O
a	O
0.5	O
MB/s	O
transfer	O
rate	O
using	O
the	O
QIC-3020	O
media	O
format	O
.	O
</s>
<s>
Travan	B-Device
TR-4	O
cartridges	O
offer	O
a	O
4	O
GB	O
native	B-Device
capacity	I-Device
using	O
the	O
QIC-3095	O
media	O
format	O
.	O
</s>
<s>
Travan	B-Device
8	O
GB	O
cartridges	O
offer	O
a	O
4	O
GB	O
native	B-Device
capacity	I-Device
with	O
a	O
1.2	O
MB/s	O
transfer	O
rate	O
.	O
</s>
<s>
Travan	B-Device
NS8	O
cartridges	O
offer	O
a	O
4	O
GB	O
native	B-Device
capacity	I-Device
with	O
a	O
1.2	O
MB/s	O
transfer	O
rate	O
.	O
</s>
<s>
It	O
offered	O
2.5	O
GB	O
native	B-Device
capacity	I-Device
,	O
1	O
MB/s	O
transfer	O
rate	O
.	O
</s>
<s>
Travan	B-Device
NS20	O
cartridges	O
offer	O
a	O
10	O
GB	O
native	B-Device
capacity	I-Device
with	O
a	O
2	O
MB/s	O
transfer	O
rate	O
.	O
</s>
<s>
Travan	B-Device
20	O
GB	O
cartridges	O
offer	O
a	O
10	O
GB	O
native	B-Device
capacity	I-Device
with	O
a	O
2	O
MB/s	O
transfer	O
rate	O
.	O
</s>
<s>
Travan	B-Device
40	O
GB	O
cartridges	O
offer	O
a	O
20	O
GB	O
native	B-Device
capacity	I-Device
with	O
a	O
4	O
MB/s	O
transfer	O
rate	O
.	O
</s>
<s>
Travan	B-Device
uses	O
a	O
linear	O
track	O
technology	O
,	O
with	O
data	O
written	O
onto	O
individual	O
tracks	O
over	O
several	O
successive	O
passes	O
.	O
</s>
<s>
Unlike	O
some	O
competing	O
technologies	O
such	O
as	O
Digital	B-Device
Linear	I-Device
Tape	I-Device
(	O
DLT	O
)	O
and	O
Linear	B-Operating_System
Tape-Open	I-Operating_System
(	O
LTO	O
)	O
,	O
Travan	B-Device
technology	O
does	O
not	O
automatically	O
verify	O
data	O
after	O
writing	O
.	O
</s>
<s>
If	O
a	O
separate	O
verify	O
operation	O
is	O
not	O
performed	O
after	O
each	O
backup	B-Protocol
,	O
it	O
is	O
possible	O
for	O
backups	B-Protocol
to	O
be	O
found	O
to	O
be	O
corrupt	O
and	O
unusable	O
when	O
the	O
tapes	O
need	O
to	O
be	O
used	O
.	O
</s>
