Lenovo 6431 User Manual
v
The
integrated
SAS/SATA
controller
with
RAID
capabilities
supports
the
following
features:
–
Integrated
Mirroring
(IM)
with
hot-spare
support
(also
known
as
RAID
1)
Use
this
option
to
create
an
integrated
array
of
two
disks
plus
up
to
two
optional
hot
spare.
All
data
on
the
primary
disk
can
be
migrated.
–
Integrated
Mirroring
Enhanced
(IME)
with
hot-spare
support
(also
known
as
RAID
1E)
Use
this
option
to
create
an
integrated
mirror
enhanced
array
of
three
to
eight
disks,
including
up
to
two
optional
hot
spare.
All
data
on
the
array
disks
will
be
deleted.
–
Integrated
Striping
(IS)
(also
known
as
RAID
0)
Use
this
option
to
create
an
integrated
striping
array
of
two
to
eight
disks.
All
data
on
the
array
disk
will
be
deleted.
v
Hard
disk
drive
capacities
affect
how
you
create
arrays.
The
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
If
you
use
an
integrated
SAS/SATA
controller
with
RAID
capabilities
to
configure
a
RAID
1
(mirrored)
array
after
you
have
installed
the
operating
system,
you
will
lose
access
to
any
data
or
applications
that
were
previously
stored
on
the
secondary
drive
of
the
mirrored
pair.
v
If
you
install
a
different
type
of
RAID
controller,
see
the
documentation
that
comes
with
the
controller
for
information
about
viewing
and
changing
SAS
settings
for
attached
devices.
To
start
the
LSI
Configuration
Utility
program,
complete
the
following
steps:
1.
Turn
on
the
server.
2.
When
the
message
<<<
Press
<CTRL-C>
to
start
LSI
Configuration
Utility
>>>
is
displayed,
press
Ctrl-C.
If
an
administrator
password
has
been
set,
you
are
prompted
to
type
the
password.
3.
Use
the
arrow
keys
to
select
a
controller
(channel)
from
the
list
of
adapters;
then,
press
Enter.
4.
To
change
the
settings
of
the
selected
items,
follow
the
instructions
on
the
screen.
If
you
select
Raid
Properties
,
SAS
Topology
,
or
Advanced
Adapter
Properties
,
additional
screens
are
displayed.
When
you
have
finished
changing
settings,
press
Esc
to
exit
from
the
program;
select
Save
to
save
the
settings
that
you
have
changed.
See
the
User
Guide
on
the
ThinkServer
Documentation
DVD
for
more
information
about
the
LSI
Configuration
Utility
program.
Chapter
4.
Configuring
the
server
49