2.
Save
the
storage
subsystem
profile
to
a
disk
location
that
is
not
in
the
DS4000
storage
subsystem
that
you
are
upgrading.
In
the
Subsystem
Management
window,
select
View-->Storage
Subsystem
Profile
.
When
the
Storage
Subsystem
Profile
window
opens,
click
Save
As
.
The
Save
Profile
window
opens.
Select
an
appropriate
directory
and
choose
a
file
name
for
the
profile,
then
click
Save
.
Click
Close
to
close
the
Storage
Subsystem
Profile
window.
3.
Use
the
Storage
Manager
client
to
flush
and
disable
the
read/write
cache
on
both
controllers,
using
the
following
steps.
Either
check
that
the
cache
LED
on
the
back
of
the
controller
is
off
or
wait
two
to
three
minutes.
a.
In
the
Logical/Physical
View
of
the
Subsystem
Management
window,
right-click
any
of
the
logical
drive
tree
nodes
and
select
Change-->Cache
Settings
.
A
Change
Cache
Settings
window
opens.
b.
Click
Select
All
to
select
all
logical
drives,
and
clear
all
of
the
Cache
Setting
Enable
check
boxes,
then
click
OK
.
Click
OK
when
the
Confirmation
window
opens.
Note:
A
progress
window
shows
the
modification
progress.
After
the
cache
setting
modification
complete,
click
OK
to
close
the
progress
window
and
return
to
the
Subsystem
Management
window.
Refer
to
the
Storage
Manager
client
online
Help
panels
for
more
details
on
disabling
cache.
4.
Place
the
controller
in
an
offline
state.
In
the
Logical/Physical
View
of
the
Subsystem
Management
window,
right-click
the
controller
icon
and
select
Place-->Offline
.
Click
Yes
when
the
Controller
Offline
Confirmation
window
opens.
Verify
that
the
controller
amber
fault
LED
is
lit.
In
the
Storage
Manager
client,
the
controller
will
be
displayed
with
a
red
“X”
icon.
5.
Label
each
cable
that
connects
to
the
RAID
controllers.
This
ensures
that
all
cables
will
be
properly
reconnected
to
the
new
RAID
controllers.
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.).
6.
From
the
first
RAID
controller
to
be
upgraded,
remove
the
fibre-channel
cables
from
the
SFPs.
The
location
of
these
components
is
shown
in
Figure
79
on
page
112.
Chapter
5.
Installing
and
replacing
components
111
Summary of Contents for TotalStorage DS4300 Turbo
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