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Auto
Mode
to
Manual
Mode
When
you
select
Manual
mode
while
the
3494
Tape
Library
is
in
Auto
mode,
the
3494
Tape
Library
performs
the
operations
required
to
move
to
Pause
mode,
then
to
move
to
Manual
mode.
All
windows
indicate
that
the
3494
Tape
Library
is
in
Manual
Pending,
even
as
it
is
moving
through
Pause
mode.
Also,
the
Library
Manager
sends
an
attention
message
only
when
the
3494
Tape
Library
enters
Manual
mode,
not
for
the
intermediate
Pause
mode.
During
the
change
from
Auto
mode
to
Manual
mode,
the
following
actions
occur:
1.
A
Manual
Pending
window
is
displayed
indicating
that
the
change
to
Manual
mode
is
in
progress
and
that
the
cartridge
accessor
is
being
parked.
2.
The
System
Summary
window
is
displayed
indicating
that
the
operational
mode
is
Manual
Pending.
3.
The
Library
Manager
and
the
cartridge
accessor
perform
the
operations
necessary
to
park
the
cartridge
accessor
and
remove
its
power
(see
4.
The
3494
Tape
Library
completes
the
change
to
Manual
mode
(see
5.
The
Library
Manager
sends
an
attention
message
to
all
attached
hosts,
indicating
that
the
state
of
the
3494
Tape
Library
has
changed.
Manual
Mode
to
Auto
Mode
You
must
use
the
Library
Manager
to
request
a
change
from
Manual
mode
to
Auto
mode.
The
3494
Tape
Library
performs
the
operations
to
move
to
Pause
mode,
then
to
move
to
Auto
mode.
All
windows
indicate
that
the
3494
Tape
Library
is
in
Auto
Pending
as
it
is
moving
through
Pause
mode.
Also,
the
Library
Manager
sends
an
attention
message
only
when
the
3494
Tape
Library
enters
Auto
mode,
not
for
the
intermediate
Pause
mode.
During
the
change
from
Manual
mode
to
Auto
mode,
the
following
actions
occur:
1.
The
System
Summary
window
indicates
that
the
operational
mode
is
Auto
Pending.
2.
The
3494
Tape
Library
completes
the
change
to
Pause
mode
as
described
in
3.
The
3494
Tape
Library
completes
the
change
to
Auto
mode
as
described
in
4.
The
Library
Manager
sends
an
attention
message
to
all
attached
hosts,
indicating
that
the
state
of
the
3494
Tape
Library
has
changed.
Initialization
State
to
Auto,
Pause,
or
Manual
Mode
During
the
initialization-complete
state,
the
Library
Manager
determines
which
operational
mode
to
enter.
It
examines
the
database
and
the
state
of
the
cartridge
accessor
power
to
make
the
determination.
When
the
Library
Manager
has
made
the
determination,
the
change
to
the
selected
mode
occurs.
The
steps
that
are
taken
during
the
transition
are
the
same
as
an
operator
request
when
the
3494
Tape
Library
is
in
Pause
mode
and
Offline
state.
Operational
State
Transitions
The
3494
Tape
Library
is
in
only
one
operational
state
at
any
time.
Shutdown
Pending
State
to
Shutdown
State
During
this
change,
the
Library
Manager
application
is
exited.
Chapter
4.
Operational
Modes,
Operational
States
and
Informational
States
107
Summary of Contents for TotalStorage 3494 Tape Library
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