1.
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.
2.
Click
Select
All
to
select
all
logical
drives,
and
deselect
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.
See
the
Storage
Manager
client
online
Help
panels
for
more
details
on
disabling
cache.
v
Stop
I/O
to
the
storage
subsystem.
v
Unmount
any
mapped
LUNs
from
the
storage
subsystem.
v
Power
down
the
DS4300
single-controller
storage
subsystem
(Model
6LU/6LX).
Use
the
following
procedure
if
the
Storage
Manager
client
instructs
you
to
replace
the
battery
because
the
current
battery
has
failed
or
is
nearing
its
expiration
date.
You
can
also
use
the
Storage
Manager
client
to
check
the
status
of
the
battery.
1.
Check
the
Storage
Manager
client
online
Help
for
instructions
on
battery
replacement
procedures.
If
you
are
using
write-cache
mirroring,
this
might
involve
clearing
cache
memory
on
the
RAID
controller
that
contains
the
battery
that
has
failed.
This
is
done
by
either
placing
the
controller
offline
before
removing
it
from
the
DS4300
server
or
turning
off
caching
in
the
DS4300
server,
using
the
Storage
Manager
client.
Follow
the
steps
given
in
the
software
procedure
before
you
continue
with
this
procedure.
Attention:
When
you
handle
static-sensitive
devices,
take
precautions
to
avoid
damage
from
static
electricity.
For
details
about
handling
static-sensitive
devices,
see
“Handling
static-sensitive
devices”
on
page
105.
2.
Unpack
the
new
battery.
Set
the
new
battery
on
a
dry,
level
surface.
Save
all
packing
materials
in
case
you
need
to
return
the
battery.
Note:
The
battery
comes
with
a
new
battery
label.
You
will
need
this
label
later
in
the
procedure.
3.
Review
all
documentation
that
comes
with
the
new
battery
for
updated
replacement
procedures
and
other
information.
4.
Use
the
Storage
Manager
client
to
locate
the
RAID
controller
that
contains
the
failed
battery.
(The
RAID
controller
Fault
LED
might
be
on.)
5.
Label
each
cable
that
connects
to
the
RAID
controller
that
contains
the
battery
that
has
failed.
This
ensures
that
all
cables
will
be
properly
reconnected
to
the
RAID
controller
after
you
replace
the
battery.
6.
Use
the
Storage
Manager
client
to
take
offline
the
RAID
controller
that
contains
the
battery
that
has
failed.
Attention:
On
DS4300
single-controller
storage
subsystem
Model
6LU/6LX,
you
can
not
place
the
controller
offline.
Instead,
you
must
power
down
the
DS4300
storage
subsystem.
For
more
information
on
preparation
tasks,
see
the
Important
note
in
the
beginning
of
this
section.
Chapter
5.
Installing
and
replacing
components
141
Summary of Contents for TotalStorage DS4300 Turbo
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