v
Configure
any
single
logical
library
(including
the
entire
physical
library)
so
that
it
is
shared
by
two
or
more
servers
that
are
running
the
same
application.
Depending
on
the
capabilities
of
the
server
and
application,
there
are
several
ways
to
set
up
this
type
of
configuration.
Three
typical
ways
include:
–
Configuring
one
server
(host)
to
communicate
with
the
library
through
a
single
control
path;
all
other
servers
send
requests
to
that
server
through
a
network.
This
configuration
is
used
by
Tivoli
®
Storage
Manager
(TSM).
–
Configuring
all
of
the
servers
to
communicate
with
the
library
through
a
single,
common
control
path.
This
configuration
is
used
in
high-availability
environments
such
as
IBM’s
High
Availability
Clustered
Microprocessing
(HACMP)
and
Microsoft’s
Systems
Management
Server
(SMS)
and
Clustered
Server
Environments.
Multi-initiator
configurations
are
only
supported
by
certain
adapters
and
independent
software
vendors
(ISVs).
Check
with
your
ISV.
–
Configuring
a
single
logical
library
to
communicate
with
multiple
servers
through
multiple
control
paths.
This
configuration
requires
that
control
paths
be
added
(see
It
is
used
by
Backup
Recovery
and
Media
Services
(BRMS).
Library
configuration
is
not
limited
to
the
examples
given
above.
Many
configurations
are
possible,
and
can
be
designed
according
to
your
business
needs.
For
additional
information,
refer
to
your
host
application
documentation.
Using
Multiple
Logical
Libraries
for
Library
Sharing
Multiple
logical
libraries
are
an
effective
way
for
the
library
to
simultaneously
back
up
and
restore
data
from
heterogeneous
applications.
For
example,
the
library
can
be
partitioned
so
that
it
processes:
v
Commands
from
Application
1
(about
Department
X)
in
Logical
Library
A
v
Commands
from
Application
2
(about
Department
Y)
in
Logical
Library
B
v
Commands
from
Application
3
(about
Department
Z)
in
Logical
Library
C
In
this
configuration,
the
storage
slots
and
drives
in
each
logical
library
are
dedicated
to
that
library
and
are
not
shared
among
other
libraries.
Commands
issued
by
the
applications
travel
to
the
library
through
three
unique
control
paths.
Thus,
the
data
processing
for:
v
Department
X
is
confined
to
the
storage
slots
and
drives
in
Logical
Library
A
v
Department
Y
is
confined
to
the
storage
slots
and
drives
in
Logical
Library
B
v
Department
Z
is
confined
to
the
storage
slots
and
drives
in
Logical
Library
C
Using
Multiple
Control
Paths
In
addition
to
creating
multiple
logical
libraries,
any
logical
library
can
be
configured
to
have
more
than
one
control
path.
When
configuring
additional
control
paths,
additional
library
sharing
configurations
and
availability
options
are
made
possible.
Access
to
the
logical
library
is
on
a
first-come,
first-served
basis
and
each
control
path
for
a
logical
library
can
accept
commands
while
the
library
is
in
use
by
another
control
path.
By
default,
a
logical
library
can
communicate
with
the
server
only
through
the
first
LUN-1-enabled
drive
that
is
installed
in
the
partition.
Note:
Microsoft
Windows
®
2000
and
Microsoft
Windows
2003
Removable
Storage
Manager
(RSM)
does
not
support
multiple
control
paths
within
a
logical
library.
IBM
recommends
that
RSM
be
disabled
to
use
this
feature.
2-2
TS3310
Tape
Library
Setup
and
Operator
Guide
Summary of Contents for System Storage TS3310
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