sense
data.
Data
that
describes
an
I/O
error.
Sense
data
is
presented
to
a
server
in
response
to
a
Sense
I/O
command.
serial
interface.
An
interface
that
sequentially
or
consecutively
executes
two
or
more
operations
in
a
single
device,
such
as
an
arithmetic
and
logic
operation.
server.
A
functional
unit
that
provides
services
to
one
or
more
clients
over
a
network.
Examples
include
a
file
server,
a
server,
or
a
server.
The
IBM
Eserver
pSeries,
IBM
Eserver
iSeries,
HP,
and
Sun
are
servers.
Synonymous
with
host
.
ship
group.
The
group
of
supplies,
cords,
or
documentation
that
is
shipped
with
the
drive.
shipping
environment.
The
temperature,
relative
humidity
rate,
and
wet
bulb
temperature
of
the
environment
to
which
the
drive
is
exposed
when
it
is
transferred
from
one
location
to
another.
short-wave
cable.
In
Fibre
Channel
technology,
a
laser
cable
that
uses
a
wavelength
of
780
nanometers
and
is
only
compatible
with
multimode
fiber.
single-character
display.
Located
at
the
front
of
the
drive,
an
LED
that
presents
an
alphabetical
or
numeric
code
which
represents
a
diagnostic
or
maintenance
function,
error
condition,
or
informational
message.
sleep
mode.
A
power-management
function
that
causes
the
drive’s
electronics
to
automatically
enter
a
low-power
mode
by
which
to
conserve
energy.
Small
Computer
Systems
Interface
(SCSI).
A
standard
used
by
computer
manufacturers
for
attaching
peripheral
devices
(such
as
tape
drives,
hard
disks,
CD-ROM
players,
printers,
and
scanners)
to
computers
(servers).
Pronounced
″
scuzzy.
″
Variations
of
the
SCSI
interface
provide
for
faster
data
transmission
rates
than
standard
serial
and
parallel
ports
(up
to
160
megabytes
per
second).
The
variations
include:
v
Fast/Wide
SCSI:
Uses
a
16-bit
bus,
and
supports
data
rates
of
up
to
20
MBps.
v
SCSI-1:
Uses
an
8-bit
bus,
and
supports
data
rates
of
4
MBps.
v
SCSI-2:
Same
as
SCSI-1,
but
uses
a
50-pin
connector
instead
of
a
25-pin
connector,
and
supports
multiple
devices.
v
Ultra
SCSI:
Uses
an
8-
or
16-bit
bus,
and
supports
data
rates
of
20
or
40
MBps.
v
Ultra2
SCSI:
Uses
an
8-
or
16-bit
bus
and
supports
data
rates
of
40
or
80
MBps.
v
Ultra3
SCSI:
Uses
a
16-bit
bus
and
supports
data
rates
of
80
or
160
MBps.
v
Ultra160
SCSI:
Uses
a
16-bit
bus
and
supports
data
rates
of
160
MBps.
soft
addressing.
Pertaining
to
the
Fibre
Channel
drive
(Model
T400F),
a
method
that
enables
the
drive
to
dynamically
arbitrate
its
AL_PA
with
other
Fibre
Channel
devices
on
the
loop.
The
AL_PA
enables
the
drive
to
communicate
with
other
devices.
software.
Programs,
procedures,
rules,
and
any
associated
documentation
pertaining
to
the
operation
of
a
computer
system.
speed
matching.
A
technique
used
by
the
drive
to
dynamically
adjust
its
native
(uncompressed)
data
rate
to
the
slower
data
rate
of
a
server.
Speed
matching
improves
system
performance
and
reduces
backhitch.
Status
Light.
Located
at
the
front
of
the
drive,
an
LED
that
can
be
green
or
amber,
and
(when
lit)
solid
or
flashing.
The
condition
of
the
light
represents
the
state
of
the
drive.
Storage
Area
Network
(SAN).
A
high-speed
subnetwork
of
shared
storage
devices.
A
SAN’s
architecture
makes
all
storage
devices
available
to
all
servers
on
a
LAN
or
WAN.
As
more
storage
devices
are
added
to
a
SAN,
they
too
will
be
accessible
from
any
server
in
the
larger
network.
Because
stored
data
does
not
reside
directly
on
any
of
a
network’s
servers,
server
power
is
used
for
business
applications,
and
network
capacity
is
released
to
the
end
user.
storage
environment.
The
temperature,
relative
humidity
rate,
and
wet
bulb
temperature
of
the
environment
in
which
the
drive
is
nonoperational
and
is
being
kept
for
future
use.
subscription
channel
connector
(SC).
A
push-pull
type
of
optical
connector
that
features
high
density,
low
loss,
low
backreflection,
and
low
cost.
switch.
A
network
infrastructure
component
to
which
multiple
nodes
attach.
Unlike
hubs,
switches
typically
have
the
ability
to
switch
node
connections
from
one
to
another.
A
typical
switch
can
facilitate
several
simultaneous
bandwidth
transmissions
between
different
pairs
of
nodes.
T
TapeAlert.
A
patented
technology
and
ANSI
standard
that
defines
conditions
and
problems
that
are
experienced
by
tape
drives.
TapeAlert
flags.
Status
and
error
messages
that
are
generated
by
the
TapeAlert
utility
and
display
on
the
server’s
console.
tape
cartridge.
A
removable
storage
case
that
houses
belt-driven
magnetic
tape
that
is
wound
on
a
supply
reel
and
a
takeup
reel.
tape
drive.
See
IBM
TotalStorage
Ultrium
Tape
Drive
.
tape
path.
Within
a
tape
drive,
the
channel
in
which
the
media
moves.
126
IBM
TotalStorage
Ultrium
Tape
Drive
Содержание TotalStorage Ultrium T800
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