![background image](http://html1.mh-extra.com/html/ibm/totalstorage-ds8000/totalstorage-ds8000_user-manual_4109708218.webp)
automatically
assigned
to
each
DS8000
host
adapter
for
use
by
Copy
Services.
System
Management
Interface
Tool
(SMIT)
An
interface
tool
of
the
AIX
operating
system
for
installing,
maintaining,
configuring,
and
diagnosing
tasks.
System
Modification
Program
A
program
used
to
install
software
and
software
changes
on
MVS
systems.
T
TAP
See
Telocator
Alphanumeric
Protocol
.
target
A
SCSI
device
that
acts
as
a
subordinate
to
an
initiator
and
consists
of
a
set
of
one
or
more
logical
units,
each
with
an
assigned
logical
unit
number
(LUN).
The
logical
units
on
the
target
are
typically
I/O
devices.
A
SCSI
target
is
analogous
to
a
zSeries
control
unit.
See
also
small
computer
system
interface
.
target
device
One
of
the
devices
in
a
dual-copy
or
remote-copy
volume
pair
that
contains
a
duplicate
of
the
data
that
is
on
the
source
device.
Unlike
the
source
device,
the
target
device
might
only
accept
a
limited
subset
of
data.
See
also
source
device.
TB
See
terabyte
.
TCP/IP
See
Transmission
Control
Protocol/Internet
Protocol
.
Telocator
Alphanumeric
Protocol
(TAP)
An
industry
standard
protocol
for
the
input
of
paging
requests.
terabyte
(TB)
1)
Nominally,
1
000
000
000
000
bytes,
which
is
accurate
when
speaking
of
bandwidth
and
disk
storage
capacity.
2)
For
DS8000
cache
memory,
processor
storage,
real
and
virtual
storage,
a
terabyte
refers
to
2
40
or
1
099
511
627
776
bytes.
terminal
emulator
A
function
of
the
management
console
that
allows
it
to
emulate
a
terminal.
thousands
of
power-on
hours
(KPOH)
A
unit
of
time
used
to
measure
the
mean
time
between
failures
(MTBF).
time
sharing
option
(TSO)
An
operating
system
option
that
provides
interactive
time
sharing
from
remote
terminals.
TotalStorage
See
IBM
TotalStorage
.
TPF
See
transaction
processing
facility
.
track
A
unit
of
storage
on
a
CKD
device
that
can
be
formatted
to
contain
a
number
of
data
records.
See
also
home
address
,
track-descriptor
record
,
and
data
record
.
track-descriptor
record
(R0)
A
special
record
on
a
track
that
follows
the
home
address.
The
control
program
uses
it
to
maintain
certain
information
about
the
track.
The
record
has
a
count
field
with
a
key
length
of
zero,
a
data
length
of
8,
and
a
record
number
of
0.
This
record
is
sometimes
referred
to
as
R0.
transaction
processing
facility
(TPF)
A
high-availability,
high-performance
IBM
operating
system,
designed
to
support
real-time,
transaction-driven
applications.
The
specialized
architecture
of
TPF
is
intended
to
optimize
system
efficiency,
reliability,
and
responsiveness
for
data
communication
and
database
processing.
TPF
provides
real-time
inquiry
and
updates
to
a
large,
centralized
database,
where
message
length
is
relatively
short
in
both
directions,
and
response
time
is
generally
less
than
three
seconds.
Formerly
known
as
the
Airline
Control
Program/Transaction
Processing
Facility
(ACP/TPF).
Transmission
Control
Protocol
(TCP)
A
communications
protocol
used
in
the
Internet
and
in
any
network
that
follows
the
Internet
Engineering
Task
Force
(IETF)
standards
for
internetwork
protocol.
TCP
provides
a
reliable
host-to-host
protocol
between
hosts
in
packet-switched
communications
networks
and
in
interconnected
systems
of
such
networks.
It
uses
the
Internet
Protocol
(IP)
as
the
underlying
protocol.
Transmission
Control
Protocol/Internet
Protocol
(TCP/IP)
1)
A
combination
of
data-transmission
protocols
that
provide
end-to-end
connections
between
applications
over
interconnected
networks
of
different
types.
192
DS8000
User’s
Guide
Содержание TotalStorage DS8000
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