drives
that
are
available
for
the
storage
agent
to
use
on
behalf
of
the
client.
The
MAXNUMMP
parameter
is
specified
on
the
REGISTER
NODE
or
UPDATE
NODE
command.
Step
3.
Starting
the
Storage
Agent
and
Verifying
the
LAN-free
Configuration
During
this
step
you
will
start
the
storage
agent
and
verify
the
LAN-free
configuration.
Step
3.1
Start
the
Storage
Agent
Start
the
storage
agent
by
changing
to
the
storage
agent
directory
and
issuing
the
following
command:
dsmsta
Step
3.2
Verify
the
LAN-free
Configuration
To
verify
that
you
have
configured
your
system
correctly
for
LAN-free
data
movement,
perform
the
following
procedure:
1.
Run
a
backup
operation
from
the
client.
Verify
that
the
backup
is
LAN-free
by
using
a
Tivoli
Storage
Manager
administrative
command-line
client
to
login
to
the
Tivoli
Storage
Manager
server
and
storage
agent
to
verify
that
the
proper
sessions
have
been
established.
When
LAN-free
data
movement
is
occurring,
a
QUERY
SESSION
on
the
storage
agent
should
show
bytes
received
(displayed
as
Bytes
Recvd)
for
the
node
increasing
to
the
total
amount
of
data
being
backed
up.
The
QUERY
SESSION
on
the
Tivoli
Storage
Manager
server
should
show
a
very
small
amount
of
bytes
received
(metadata)
for
the
same
node.
If
the
node’s
session
exhibits
this
behavior,
and
you
receive
a
message
stating
that
the
backup
has
been
successful,
you
have
configured
your
system
correctly.
There
are
several
ways
to
use
the
QUERY
SESSION
command.
You
can
issue
the
command
on
the
storage
agent
console
if
the
process
is
running
in
the
foreground.
Or,
you
can
use
a
command-line
client
to
connect
to
the
storage
agent
on
the
administration
port
of
the
storage
agent.
You
would
use
the
same
administrator
ID
and
password
for
this
command
as
you
would
on
the
server.
2.
Ensure
the
following
if
you
receive
a
message
saying
that
the
backup
has
failed:
a.
The
Tivoli
Storage
Manager
server
is
running.
If
the
Tivoli
Storage
Manager
server
is
not
running,
the
storage
agent
will
not
start.
b.
The
client,
storage
agent,
and
server
are
communicating
with
each
other
as
expected.
c.
The
mount
and
message
is
displayed
on
the
storage
agent
console.
Notes:
1.
If
you
retry
the
backup
operation
after
the
first
failure,
the
client
attempts
to
use
the
LAN
connection
for
data
movement.
The
client
will
continue
to
use
the
LAN
until
the
client
is
stopped
and
restarted.
2.
When
using
the
z/OS
data
manager
server,
volumes
for
sequential
access
storage
pools
that
support
LAN-free
data
movement
require
formatting
before
they
can
be
used.
LAN-free
sessions
will
fail
if
the
storage
pool
does
not
contain
any
formatted
volumes
and
does
not
allow
automatic
formatting.
For
details,
refer
to
the
IBM
Tivoli
Storage
Manager
for
z/OS
Administrator’s
Guide
and
IBM
Tivoli
Storage
Manager
for
z/OS
Administrator’s
Reference
.
40
IBM
Tivoli
Storage
Manager
for
SAN
for
AIX:
Storage
Agent
User’s
Guide
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