Hot-swap
hard
disk
drive
activity
LED
On
some
server
models,
each
hot-swap
drive
has
a
hard
disk
drive
activity
LED.
When
this
green
LED
is
flashing,
it
indicates
that
the
drive
is
in
use.
Hot-swap
hard
disk
drive
status
LED
On
some
server
models,
each
hot-swap
hard
disk
drive
has
a
status
LED.
If
the
status
LED
for
a
drive
is
lit
continuously,
that
individual
drive
is
faulty.
The
interpretation
of
a
flashing
status
LED
depends
on
the
SCSI
controller
connected
to
the
hot-swap
drive,
as
follows:
v
When
the
drive
is
connected
to
the
integrated
SCSI
controller
with
RAID
capabilities,
a
flashing
status
LED
indicates
that
the
drive
is
a
secondary
drive
in
a
mirrored
pair
and
the
drive
is
being
synchronized.
v
When
the
drive
is
connected
to
an
optional
ServeRAID
controller,
a
slowly
flashing
(one
flash
per
second)
status
LED
indicates
that
the
drive
is
being
rebuilt.
When
the
LED
is
flashing
rapidly
(three
flashes
per
second),
it
indicates
that
the
controller
is
identifying
the
drive.
Power-control
button
Press
this
button
to
turn
the
server
on
and
off
manually.
Power-on
LED
When
this
LED
is
lit
and
not
flashing,
it
indicates
that
the
server
is
turned
on.
When
this
LED
is
flashing,
it
indicates
that
the
server
is
off
and
still
connected
to
an
ac
power
source
(standby
mode).
System-error
LED
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
An
LED
on
the
system
board
might
also
be
lit
to
help
isolate
the
error.
Detailed
troubleshooting
information
is
in
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD.
Server
power
features
When
the
server
is
connected
to
an
ac
power
source
but
is
not
turned
on,
the
operating
system
does
not
run,
and
all
core
logic
is
shut
down;
however,
the
server
can
respond
to
remote
requests
to
turn
on
the
server.
The
power-on
LED
flashes
to
indicate
that
the
server
is
connected
to
an
ac
power
source
but
is
not
turned
on
(standby
mode).
Turning
on
the
server
Notes:
1.
Turn
on
all
external
devices,
such
as
the
monitor,
before
turning
on
the
server.
2.
The
power-on
LED
on
the
front
of
the
server
is
lit
when
the
server
is
on
and
while
it
is
powering-up.
Approximately
20
seconds
after
the
server
is
connected
to
ac
power,
the
power-control
button
becomes
active,
and
you
can
turn
on
the
server
and
start
the
operating
system
by
pressing
the
power-control
button.
The
server
can
also
be
turned
on
in
any
of
the
following
ways:
v
If
a
power
failure
occurs
while
the
server
is
turned
on,
the
server
will
restart
automatically
when
power
is
restored.
v
If
an
optional
Remote
Supervisor
Adapter
II
is
installed
in
the
server,
the
server
can
be
turned
on
from
the
Remote
Supervisor
Adapter
II
user
interface.
Chapter
1.
Introducing
the
IBM
xSeries
225
Type
8649
server
9
Summary of Contents for eserver 225 Series
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