reclaim.
Move
active
data
onto
fewer
physical
tapes
and
allow
extra
tapes
to
be
reused.
reconcile.
The
process
of
determining
what
is
active
data
and
what
is
inactive
data.
reduced
instruction
set
computer.
A
computer
that
uses
a
small,
simplified
set
of
frequently
used
instructions
for
rapid
execution.
remote
Library
Manager
console.
The
Remote
Library
Manager
Console
feature
permits
control
or
monitoring
of
the
3494
Tape
Library
from
a
location
that
is
remote
from
the
library.
reserved
storage
cell.
A
cell
in
the
L1x
Frame
that
is
reserved
for
use
by
the
service
representative
or
for
error
recovery
operations.
return.
When
a
stacked
physical
volume
is
borrowed
from
the
Common
Scratch
Pool
(CSP)
and
it
is
to
be
returned
to
the
CSP
when
it
is
reclaimed.
RISC.
See
reduced
instruction
set
computer
.
RSA.
Rivest-Shamir-Adleman
algorithm.
A
system
for
public-key
cryptography
used
for
encryption
and
authentication.
It
was
invented
in
1977
by
Ron
Rivest,
Adi
Shamir,
and
Leonard
Adleman.
The
security
of
the
system
depends
on
the
difficulty
of
factoring
the
product
of
two
large
prime
numbers.
S
SCSI.
See
small
computer
system
interface
.
SEK.
Session
Encrypted
Key.
A
Data
Key
that
has
been
encrypted
(wrapped)
for
secure
transfer
between
the
EKM
and
the
3592
TS1120
Tape
Drive.
See
SK.
setup.
The
preparation
of
a
computing
system
to
perform
a
job
or
job
step.
SK.
Session
Key.
An
alphanumeric
string
used
to
encrypt
the
Data
Key
for
secure
transfer
between
the
EKM
and
the
3592
TS1120
Tape
Drive.
See
SEK.
small
computer
system
interface.
An
adapter
that
supports
the
attachment
of
various
storage
devices
to
the
system
unit.
storage.
(1)
A
device
in
which
recorded
information
can
be
entered,
retained,
and
processed,
and
from
which
recorded
information
can
be
retrieved.
(2)
The
action
of
placing
data
into
a
storage
device.
(3)
A
facility
in
which
data
can
be
retained.
storage
cell.
A
location
in
the
tape
library
where
a
cartridge
can
be
loaded
or
unloaded.
This
includes
the
storage
cells
in
a
storage
frame
and
the
convenience
I/O
station.
T
tape
cartridge.
A
container
holding
magnetic
tape
that
can
be
processed
without
separating
it
from
the
container.
tape
drive.
A
device
that
is
used
for
moving
magnetic
tape
and
includes
the
mechanisms
for
writing
and
reading
data
to
and
from
tape.
See
also
tape
unit
and
transport
.
tape
library.
(1)
The
term
used
to
mean
a
collection
of
tape
cartridges.
3494
describes
the
set
of
cartridges
contained
within
the
3494
enclosure.
(2)
An
automated
tape
library
(for
example,
the
3494
Tape
Library)
that
consists
of
cartridge
storage
frames,
tape
subsystems,
and
controlling
hardware
and
software
as
well
as
tape
cartridges.
The
tape
library
performs
host-directed
tape
cartridge
mounts
and
demounts
without
operator
intervention.
tape
management
software.
A
program
that
controls
the
scratch
status
of
tape
volumes.
tape
subsystem.
A
tape
unit
that
includes
the
logic
interface
hardware
necessary
to
operate
with
a
host
processor,
for
example,
3490E
Model
CxA.
tape
unit.
A
device
that
contains
tape
drives
and
their
associated
power
supplies
and
electronics.
TCP/IP.
See
Transmission
Control
Protocol/Internet
Protocol
.
token-ring
network.
A
local
area
network
(LAN)
that
uses
ring
topology,
where
tokens
are
passed
from
node
to
node.
A
node
that
is
ready
to
send
can
capture
a
token
and
insert
data
for
transmission.
transient
mount.
See
mount
from
input
station
.
Transmission
Control
Protocol/Internet
Protocol.
A
set
of
communication
protocols
that
supports
peer-to-peer
connectivity
functions
for
both
local
and
wide
area
networks.
transport.
The
mechanism
inside
a
tape
drive
that
moves
tape
media.
It
is
comprised
of
loading,
threading,
and
guiding
mechanisms
and
motors.
U
UEPO.
See
unit
emergency
power
off
.
unavailable.
The
term
used
to
mean
that
a
component
in
the
tape
library
(for
example,
the
cartridge
accessor)
is
not
available
for
use
by
the
Library
Manager.
Compare
with
offline
.
Contrast
with
available
.
unit.
(1)
An
entity
that
can
accomplish
a
specific
purpose,
for
example,
a
3490E
tape
drive.
(2)
An
individual
piece
of
the
tape
library
that
can
be
added
Glossary
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