Turning
off
the
storage
server
Attention:
Except
in
an
emergency,
never
turn
off
the
power
if
any
storage
server
Fault
LEDs
are
on.
Correct
the
fault
before
you
turn
off
the
power.
Use
the
Storage
Manager
client
and
the
Fault
LEDs
to
check
the
overall
status
of
the
storage
server
and
its
components.
All
LEDs
should
be
green
on
the
front
of
the
storage
server.
If
they
are
not,
use
the
Storage
Manager
client
to
diagnose
the
problem
(see
This
ensures
that
the
storage
server
will
power
up
correctly
later.
For
more
information,
see
The
storage
server
is
designed
to
run
continuously,
24
hours
a
day.
After
you
turn
on
the
storage
server,
do
not
turn
it
off.
Turn
off
the
power
only
when:
v
Instructions
in
a
hardware
or
software
procedure
require
you
to
turn
off
the
power.
v
A
service
technician
tells
you
to
turn
off
the
power.
v
A
power
outage
or
emergency
situation
occurs
(see
Statement
5:
CAUTION:
The
power
control
button
on
the
device
and
the
power
supply
do
not
turn
off
the
electrical
current
supplied
to
the
device.
The
device
also
might
have
more
than
one
power
cord.
To
remove
all
electrical
current
from
the
device,
ensure
that
all
power
cords
are
disconnected
from
the
power
source.
1
2
Perform
the
following
steps
to
turn
off
the
power:
1.
Before
proceeding,
use
the
Storage
Manager
client
to
determine
the
status
of
the
system
components
and
special
instructions.
The
operating
system
software
might
require
you
to
perform
other
procedures
before
you
turn
off
the
power.
2.
Use
the
Storage
Manager
client
to
check
the
status
of
the
storage
server.
Correct
problems
that
are
reported
before
you
turn
off
the
power.
3.
Stop
all
I/O
activity
to
the
storage
server
and
attached
expansion
units.
Make
sure
that:
v
All
of
the
green
Drive
active
LEDs
on
the
front
of
the
storage
server
(and
on
all
attached
expansion
units)
are
not
flashing.
v
The
green
Cache
active
LEDs
on
the
back
of
the
storage
server
are
off.
Attention:
To
turn
off
all
power
to
the
storage
server,
you
must
turn
off
both
power-supply
switches
and
disconnect
both
power
cords.
Use
the
procedure
in
step
for
the
proper
shutdown
sequence.
4.
If
applicable,
use
the
operating
system
software
to
disconnect
the
storage
server
logical
drives
from
the
host
before
the
storage
server
is
powered
off.
Chapter
4.
Operating
the
storage
server
59
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