v
Hard
disk
drive
capacities
affect
how
you
create
arrays.
Drives
in
an
array
can
have
different
capacities,
but
the
RAID
controller
treats
them
as
if
they
all
have
the
capacity
of
the
smallest
hard
disk
drive.
v
To
help
ensure
signal
quality,
do
not
mix
drives
with
different
speeds
and
data
rates.
v
To
update
the
firmware
and
BIOS
code
for
an
optional
ServeRAID
controller,
you
must
use
the
IBM
ServeRAID
Support
CD
that
comes
with
the
ServeRAID
option.
v
If
you
install
a
different
type
of
RAID
controller
(adapter)
in
the
server,
use
the
method
that
is
described
in
the
instructions
that
come
with
the
adapter
to
view
or
change
SAS
settings
for
attached
devices.
Starting
the
IBM
ServeRAID
Configuration
Utility
menu
choices
To
start
the
IBM
ServeRAID
Configuration
Utility
program,
complete
the
following
steps:
1.
Turn
on
the
server.
2.
When
the
prompt
<<<
Press
<CTRL><A>
for
IBM
ServeRAID
Configuration
Utility!
>>>
appears,
press
Ctrl+A.
If
you
have
set
an
administrator
password,
you
are
prompted
to
type
the
password.
3.
To
select
a
choice
from
the
menu
(see
“IBM
ServeRAID
Configuration
Utility
menu
choices”),
use
the
arrow
keys.
4.
Use
the
arrow
keys
to
select
the
channel
for
which
you
want
to
change
settings.
5.
To
change
the
settings
of
the
selected
items,
follow
the
instructions
on
the
screen.
IBM
ServeRAID
Configuration
Utility
menu
choices
The
following
choices
are
on
the
IBM
ServeRAID
Configuration
Utility
menu:
v
Array
Configuration
Utility
Select
this
choice
to
create,
manage,
or
delete
arrays,
or
to
initialize
drives.
v
SerialSelect
Utility
Select
this
choice
to
configure
the
controller
interface
definitions
or
to
configure
the
physical
transfer
and
SAS
address
of
the
selected
drive.
v
Disk
Utilities
Select
this
choice
to
format
a
disk
or
verify
the
disk
media.
Select
a
device
from
the
list
and
read
the
instructions
on
the
screen
carefully
before
making
a
selection.
Configuring
the
controller
To
configure
a
RAID
array
on
the
server,
complete
the
following
steps:
1.
Turn
on
the
server.
2.
When
the
message
Press
<CTRL><A>
for
IBM
ServeRAID
Configuration
Utility
appears,
press
Ctrl+A.
3.
Select
Array
Configuration
Utility
.
4.
Select
Create
Array
.
5.
From
the
list
of
ready
drives,
select
the
drives
that
you
want
to
group
into
the
array.
6.
From
the
list
of
RAID
levels
available,
select
the
one
you
want
to
use,
such
as
RAID-1
.
7.
(Optional)
Type
an
identifier
for
the
array.
8.
When
you
are
prompted
for
the
array
build
method,
select
Quick
Init
.
74
System
x3655
Type
7985:
User’s
Guide
Summary of Contents for x3655 - System - 7985
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