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If
you
are
turning
on
the
storage
subsystem
after
an
emergency
shutdown
or
power
outage,
see
Turning
on
the
storage
subsystem
Power-on
overview
Review
the
following
information
before
you
continue
with
the
power-on
procedure
below.
Check
the
system
documentation
for
the
hardware
devices
that
you
intend
to
power
up,
and
then
determine
the
proper
startup
sequence.
Use
the
following
power-on
sequence,
where
applicable:
1.
Turn
on
the
power
to
the
supporting
devices
(for
example,
Ethernet
switches
and
management
stations)
before
the
storage
subsystem.
Attention:
If
you
will
use
out-of-band
(direct)
configuration
management
(using
the
Ethernet),
you
must
set
up
the
Dynamic
Host
Configuration
Protocol
(DHCP)
or
BOOTP
server
before
you
turn
on
the
power.
Setting
up
the
server
allows
the
controllers
to
obtain
the
corresponding
IP
address
when
you
turn
on
the
power
to
the
storage
subsystem.
To
configure
the
server,
you
need
the
controller’s
Media
Access
Control
(MAC)
address.
The
MAC
addresses
appear
on
labels
near
the
Ethernet
ports
on
each
controller.
2
For
more
information,
see
the
software
installation
guide
for
your
operating
system.
2.
Important:
You
must
turn
on
the
storage
expansion
enclosures
and
verify
that
the
storage
expansion
enclosure
fibre
channel
connections
are
optimal
by
checking
the
indicator
LEDs
before
you
turn
on
the
DS4800.
The
controllers
might
not
recognize
the
correct
configuration
if
the
storage
expansion
enclosure
hard
disk
drives
are
powered
up
after
the
DS4800.
For
instructions
on
how
to
power
up
the
storage
expansion
enclosures,
refer
to
the
storage
expansion
enclosure
documentation.
3.
Turn
on
the
power
to
the
storage
subsystem;
then
restart
or
turn
on
the
power
to
the
host.
Note:
Depending
on
your
operating
system,
you
might
not
have
to
restart
the
host.
For
more
information,
see
the
software
installation
guide
for
your
operating
system.
Use
this
procedure
to
turn
on
power
to
a
storage
configuration
at
the
initial
startup
or
after
a
normal
shutdown.
To
restore
power
after
an
unplanned
shutdown,
see
Important:
1.
If
needed,
remove
the
front
bezel,
as
described
in
2.
Ensure
that
all
power
cords
are
connected,
as
described
in
2. You
can
also
make
out-of-band
management
connections
to
the
DS4800
controller
using
the
default
IP
addresses.
The
default
IP
addresses
for
the
controller
A
Ethernet
ports
1
and
2
are
192.168.128.101
and
192.168.129.101,
respectively.
The
default
IP
addresses
for
the
controller
B
Ethernet
ports
1
and
2
are
192.168.128.102
and
192.168.129.102,
respectively.
The
default
subnet
mask
for
all
four
Ethernet
ports
is
255.255.255.0.
Chapter
4.
Operating
the
storage
subsystem
105
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