The
label
area
(
5
in
provides
a
location
to
place
a
label.
For
more
information,
see
The
insertion
guide
(
6
in
is
a
large,
notched
area
that
prevents
the
cartridge
from
being
inserted
incorrectly.
All
generations
of
the
LTO
Ultrium
Data
Cartridge
have
a
nominal
cartridge
life
of
5000
load
and
unload
cycles.
Capacity
Scaling
To
control
the
capacity
of
the
cartridge
(for
example,
to
obtain
a
faster
seek
time)
issue
the
SCSI
command
SET
CAPACITY.
For
information
about
this
command,
refer
to
the
IBM
TotalStorage
Ultrium
Tape
Drive
SCSI
Reference
.
WORM
(Write
Once,
Read
Many)
Certain
records
retention
and
data
security
applications
require
a
Write
Once,
Read
Many
(WORM)
method
for
storing
data
on
tape.
To
meet
this
data
storage
requirement,
a
new
WORM
feature
has
been
made
available
on
IBM
LTO
Ultrium
generation
3
drives.
The
WORM
feature
can
be
enabled
by
upgrading
to
WORM-capable
drive
firmware
and
using
a
special
WORM
tape
cartridge.
No
physical
hardware
changes
are
required
to
make
Ultrium
3
drives
compatible
with
the
WORM
feature;
however,
appropriate
WORM-capable
drive
firmware
must
be
installed.
WORM
Media
Because
standard
read/write
media
are
incompatible
with
the
WORM
feature,
a
specially
formatted
WORM
tape
cartridge
is
required.
Each
WORM
cartridge
has
a
unique,
worldwide
cartridge
identifier
(WWCID),
which
comprises
the
unique
CM
chip
serial
number
and
the
unique
tape
media
serial
number.
provides
information
on
how
to
choose
and
purchase
the
appropriate
WORM
tape
cartridges
for
your
library.
Data
Security
on
WORM
Media
Certain
built-in
security
measures
help
ensure
that
the
data
written
on
a
WORM
cartridge
does
not
become
compromised,
for
example:
v
The
format
of
an
IBM
Ultrium
3
400
GB
WORM
Tape
Cartridge
is
unlike
that
of
standard
read/write
media.
This
unique
format
prevents
a
drive
that
lacks
WORM-capable
firmware
from
writing
on
a
WORM
tape
cartridge.
a66ug050
Figure
8-2.
Ultrium
3
WORM
Tape
Cartridge
Chapter
8.
Using
Ultrium
Media
8-3
Summary of Contents for System Storage TS3310
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