IBM TIVOLI SC32-0129-00 User Manual
Page 76
device
class.
A
named
set
of
characteristics
applied
to
a
group
of
storage
devices.
Each
device
class
has
a
unique
name
and
represents
a
device
type
of
disk,
file,
optical
disk,
or
tape.
device
configuration
file.
(1)
On
an
IBM
Tivoli
Storage
Manager
storage
agent,
a
file
that
contains
the
name
and
password
of
the
storage
agent,
and
the
DEFINE
SERVER
command
for
the
IBM
Tivoli
Storage
Manager
server
that
is
managing
the
SAN-attached
libraries
and
drives.
(2)
On
an
IBM
Tivoli
Storage
Manager
server,
a
file
that
contains
information
about
defined
device
classes,
and,
on
some
IBM
Tivoli
Storage
Manager
servers,
defined
libraries
and
drives.
device
driver.
A
collection
of
subroutines
that
control
the
interface
between
I/O
device
adapters
and
the
processor.
domain.
A
grouping
of
client
nodes
with
one
or
more
policy
sets,
which
manage
data
or
storage
resources
for
the
client
nodes.
dsm.opt
file.
See
client
options
file.
dsmserv.opt.
See
server
options
file.
dsmsta.opt.
See
storage
agent
options
file.
E
external
library.
A
type
of
library
provided
by
IBM
Tivoli
Storage
Manager
to
allow
LAN-free
data
movement
for
ACSLS-managed
StorageTek
libraries.
To
activate
this
support,
the
IBM
Tivoli
Storage
Manager
library
type
must
be
EXTERNAL.
F
FILE
device
type.
A
device
type
that
specifies
the
use
of
sequential
access
files
on
disk
storage
as
volumes.
L
LAN-free
data
movement.
The
direct
movement
of
client
data
between
a
client
machine
and
a
storage
device
on
a
SAN,
rather
than
on
the
LAN.
library.
(1)
A
repository
for
demountable
recorded
media,
such
as
magnetic
tapes.
(2)
For
IBM
Tivoli
Storage
Manager,
a
collection
of
one
or
more
drives,
and
possibly
robotic
devices
(depending
on
the
library
type),
which
can
be
used
to
access
storage
volumes.
library
client.
An
IBM
Tivoli
Storage
Manager
server
that
uses
server-to-server
communication
access
to
a
library
that
is
managed
by
another
IBM
Tivoli
Storage
Manager
server.
library
manager.
An
IBM
Tivoli
Storage
Manager
server
that
controls
device
operations
when
multiple
IBM
Tivoli
Storage
Manager
servers
share
a
storage
device.
The
device
operations
include
mount,
dismount,
volume
ownership,
and
library
inventory.
M
management
class.
A
policy
object
that
users
can
bind
to
each
file
to
specify
how
the
server
manages
the
file.
The
management
class
can
contain
a
backup
copy
group,
an
archive
copy
group,
and
space
management
attributes.
The
copy
groups
determine
how
the
server
manages
backup
versions
or
archive
copies
of
the
file.
The
space
management
attributes
determine
whether
the
file
is
eligible
to
be
migrated
by
the
space
manager
client
to
server
storage,
and
under
what
conditions
the
file
is
migrated.
N
node.
A
workstation
or
file
server
that
is
registered
with
an
IBM
Tivoli
Storage
Manager
server
to
receive
its
services.
See
client
node.
P
policy
domain.
A
grouping
of
policy
users
with
one
or
more
policy
sets,
which
manage
data
or
storage
resources
for
the
users.
In
IBM
Tivoli
Storage
Manager,
the
users
are
client
nodes.
See
policy
set
and
management
class.
policy
set.
A
policy
object
that
contains
a
group
of
management
classes
that
exist
for
a
policy
domain.
Several
policy
sets
can
exist
within
a
policy
domain,
but
only
one
policy
set
is
active
at
one
time.
See
policy
domain
and
management
class.
R
reclamation.
A
process
of
consolidating
the
remaining
data
from
many
sequential
access
volumes
onto
fewer
new
sequential
access
volumes.
restore.
To
copy
information
from
its
backup
location
to
the
active
storage
location
for
use.
In
IBM
Tivoli
Storage
Manager,
you
can
restore
the
server
database,
storage
pools,
storage
pool
volumes,
and
users’
backed-up
files.
The
backup
version
of
a
file
in
the
storage
pool
is
not
affected
by
the
restore
operation.
Contrast
with
backup.
S
server.
The
program
that
provides
backup,
archive,
space
management,
and
administrative
services
to
clients.
The
server
program
must
be
at
the
necessary
level
to
provide
all
of
these
services.
58
IBM
Tivoli
Storage
Manager
for
SAN
for
AIX:
Storage
Agent
User’s
Guide