Replacing the battery in the raid controller, Replacing, Battery – IBM Partner Pavilion DS4100 User Manual
Page 137: Raid, Controller
10.
Use
the
SMW
to
download
firmware
to
the
new
controller
to
match
the
version
number
shown
in
your
storage
subsystem
profile.
(Refer
to
your
printout.)
After
15-20
minutes,
the
SMW
reports
a
download
failure.
Click
OK
to
ignore
the
error
warning
and
instructions
and
proceed
with
the
following
step.
11.
Use
the
EMW
to
remove
the
RAID
controller
from
the
management
domain,
and
again
add
the
new
controller
using
the
IP
address
assigned
to
the
new
controller
by
the
IP
server.
12.
View
the
storage
subsystem
profile
and
confirm
that
the
NVSRAM
and
controller
firmware
versions
match
the
versions
shown
in
your
storage
subsystem
profile
printout.
13.
Use
the
EMW
to
remove
the
RAID
controller
from
the
management
domain.
14.
Use
the
procedure
described
in
to
power
off
the
storage
server.
15.
Reinstall
each
drive
in
the
slot
from
which
it
was
removed.
16.
Power
on
the
storage
server,
using
the
procedure
described
in
17.
Use
the
EMW
to
add
the
RAID
controller
back
into
the
management
domain
using
the
original
IP
address
(refer
to
your
printout).
18.
Verify
that
the
RAID
controller
is
accessible.
19.
Continue
with
in
the
RAID
controller
replacement
procedure.
Replacing
the
battery
in
the
RAID
controller
Each
RAID
controller
contains
a
rechargeable
battery
that
maintains
the
data
in
the
cache
memory
for
three
days
without
power
to
the
unit.
Important:
If
you
are
replacing
the
battery
in
a
DS4100
single-controller
storage
server,
complete
the
following
steps
before
beginning
the
replacement
procedure:
1.
Schedule
down
time
for
the
battery
replacement,
because
the
disk
will
not
be
available
during
the
procedure.
2.
Complete
any
necessary
server
preparation
tasks.
3.
Save
the
configuration
storage
subsystem
profile.
Note:
Before
any
planned
system
shutdown
or
after
any
system
additions,
removals,
or
modifications
(including
logical
drive
creations,
storage
partitioning
definitions,
hardware
changes,
and
so
on),
save
the
storage
subsystem
profile
as
explained
in
the
DS4000
Storage
Manager
guide
for
your
operating
system.
Save
the
profile
in
a
location
other
than
the
logical
drives
created
for
the
DS4100
storage
server.
4.
Stop
I/O
to
the
storage
server.
5.
Unmount
any
mapped
LUNs
from
the
storage
server.
6.
Power
down
the
DS4100
single-controller
storage
server,
as
described
in
Use
the
following
procedure
if
the
DS4000
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
DS4000
Storage
Manager
client
to
check
the
status
of
the
battery.
1.
Check
the
DS4000
Storage
Manager
client
online
help
for
instructions
on
battery
replacement
procedures.
If
you
are
using
write-cache
mirroring,
this
Chapter
5.
Installing
and
replacing
components
105