Note:
In
a
Microsoft
Windows
®
environment,
remove
the
drive
letter
or
the
mount
points
of
the
mapped
LUNs
instead
of
unmounting
the
file
systems.
6.
If
applicable,
remove
the
controller
WWNN
from
the
fibre
channel
switch
fabric
zone
definitions
or
any
applications
that
use
this
WWNN
info.
7.
Wait
one
minute,
then
turn
off
the
DS4300
storage
subsystem
that
you
are
upgrading.
8.
Label
each
cable
that
connects
to
the
existing
RAID
controller
CRU
host
ports
to
ensure
that
all
cables
will
be
properly
reconnected
to
the
new
RAID
controller
CRU.
Attention:
Handle
and
install
fiber-optic
cables
properly
to
avoid
degraded
performance
or
loss
of
communications
with
devices.
When
working
with
fiber-optic
cables,
do
not
pinch
them,
step
on
them,
or
locate
them
in
aisles
or
walkways.
Do
not
overtighten
the
cable
straps
or
bend
the
cables
to
a
radius
smaller
than
38
mm
(1.5
in.).
9.
Remove
the
fibre-channel
cables
from
the
SFPs
on
the
RAID
controller
CRU.
(After
removing
the
fibre-channel
cables,
insert
their
protective
caps.)
10.
Remove
the
DS4300
single
controller
CRU,
as
follows:
a.
Push
down
on
the
latch
(centered
above
the
RAID
controller),
then
pull
both
levers
at
the
same
time
out
of
the
locked
position.
b.
Grasp
the
pull-rings,
then
pull
on
the
levers
and
remove
the
RAID
controller.
11.
Unpack
and
insert
the
first
upgrade
DS4300
controller
CRU
into
the
left-hand
controller
slot,
which
is
marked
“Controller
A”,
as
follows:
a.
Slide
the
RAID
controller
all
the
way
into
the
empty
slot.
b.
Close
both
levers
until
the
latch
locks
into
place.
12.
Remove
the
SFPs
from
host
ports
of
the
DS4300
single-controller
CRU
and
insert
them
into
the
host
ports
of
the
new
DS4300
controller
CRU,
which
you
installed
in
step
11.
(Use
the
instructions
in
“Removing
SFP
modules”
on
page
35
and
“Installing
SFP
modules”
on
page
33.)
13.
Remove
the
controller
CRU
blank
from
the
right-hand
controller
slot,
which
is
marked
“Controller
B.”
14.
Insert
the
new
RAID
controller
into
the
slot
marked
“Controller
B.”.
15.
Unpack
the
additional
SFPs
and
insert
them
in
the
host
ports
of
Controller
B.
16.
Remove
the
power
supply
blank
from
the
right-hand
power
supply
slot.
Unpack
and
insert
the
upgrade
power
supply
CRU
into
the
slot.
(See
“Installing
a
hot-swap
power
supply”
on
page
133
for
more
information
about
installing
power
supplies.)
17.
Reconnect
the
fibre-channel
cables
to
their
original
host
port
locations
in
Controller
A,
using
the
instructions
in
Chapter
3,
“Cabling
the
storage
subsystem,”
on
page
29.
Using
the
new
fibre-channel
cables,
make
the
necessary
fibre-channel
connections
to
the
host
ports
of
controller
B.
18.
If
DHCP/BootP
was
used
to
automatically
set
the
IP
address
of
the
controller,
complete
the
following
steps:
a.
Record
the
MAC
address
of
the
upgrade
controller
b.
Modify
the
existing
DHCP/BootP
record
of
the
RAID
controller
to
be
upgraded
with
the
new
MAC
address
Notes:
a.
Failure
to
modify
the
DHCP/BootP
record
will
result
in
problems
trying
to
manage
the
storage
subsystem
using
the
existing
IP
address.
Chapter
5.
Installing
and
replacing
components
107
Summary of Contents for TotalStorage DS4300 Turbo
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