IBM x3800 User Guide - Page 21

Important, Release, latch, System-error, Locator, drive, activity, Power-on, status, Diskette,

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LOG LED on the light path diagnostics panel is lit, information about the condition is available in the baseboard management controller (BMC) log or in the system-event log. The condition might be that the BMC log is full or almost full. This LED and LEDs on the light path diagnostics panel remain lit until you resolve the condition. If the only condition is that the BMC log is full or almost full, clear the BMC log or the system-event log through the Configuration/Setup Utility program to turn off the lit LEDs. Important: Clear the BMC log and system-event log after you resolve all conditions. If all conditions are resolved, this will turn off the information LED and LOG LED. v Release latch: Slide this latch to the left to access the light path diagnostics panel. v System-error LED: When this LED is lit, it indicates that a system error has occurred. An LED on the light path diagnostics panel is also lit to help isolate the error. v Locator LED: When this LED is lit, it has been lit remotely by the system administrator to aid in visually locating the server. v Hard disk drive activity LED: When this LED is flashing, it indicates that a SAS hard disk drive is in use. v 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 turned off and still connected to an ac power source. When this LED is off, it indicates that ac power is not present, or the power supply or the LED itself has failed. Note: If this LED is off, it does not mean that there is no electrical power in the server. The LED might be burned out. To remove all electrical power from the server, you must disconnect the power cords from the electrical outlets. Hard disk drive activity LED: On some server models, each hot-swap hard disk drive has an activity LED. When this LED is flashing, it indicates that the drive is in use. Hard disk drive status LED: If a ServeRAID-8i adapter is installed, when this LED is lit, it indicates that the associated hard disk drive has failed. If the LED flashes slowly (one flash per second), the drive is being rebuilt. If the LED flashes rapidly (three flashes per second), the controller is identifying the drive. Diskette drive activity LED: When this LED is lit, it indicates that the diskette drive is in use. Diskette-eject button: Press this button to release a diskette from the diskette drive. CD drive activity LED: When this LED is lit, it indicates that the CD drive is in use. CD-eject button: Press this button to release a CD or DVD from the DVD drive. Chapter 1. The System x3800 server 9

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LOG
LED
on
the
light
path
diagnostics
panel
is
lit,
information
about
the
condition
is
available
in
the
baseboard
management
controller
(BMC)
log
or
in
the
system-event
log.
The
condition
might
be
that
the
BMC
log
is
full
or
almost
full.
This
LED
and
LEDs
on
the
light
path
diagnostics
panel
remain
lit
until
you
resolve
the
condition.
If
the
only
condition
is
that
the
BMC
log
is
full
or
almost
full,
clear
the
BMC
log
or
the
system-event
log
through
the
Configuration/Setup
Utility
program
to
turn
off
the
lit
LEDs.
Important:
Clear
the
BMC
log
and
system-event
log
after
you
resolve
all
conditions.
If
all
conditions
are
resolved,
this
will
turn
off
the
information
LED
and
LOG
LED.
v
Release
latch:
Slide
this
latch
to
the
left
to
access
the
light
path
diagnostics
panel.
v
System-error
LED:
When
this
LED
is
lit,
it
indicates
that
a
system
error
has
occurred.
An
LED
on
the
light
path
diagnostics
panel
is
also
lit
to
help
isolate
the
error.
v
Locator
LED:
When
this
LED
is
lit,
it
has
been
lit
remotely
by
the
system
administrator
to
aid
in
visually
locating
the
server.
v
Hard
disk
drive
activity
LED:
When
this
LED
is
flashing,
it
indicates
that
a
SAS
hard
disk
drive
is
in
use.
v
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
turned
off
and
still
connected
to
an
ac
power
source.
When
this
LED
is
off,
it
indicates
that
ac
power
is
not
present,
or
the
power
supply
or
the
LED
itself
has
failed.
Note:
If
this
LED
is
off,
it
does
not
mean
that
there
is
no
electrical
power
in
the
server.
The
LED
might
be
burned
out.
To
remove
all
electrical
power
from
the
server,
you
must
disconnect
the
power
cords
from
the
electrical
outlets.
Hard
disk
drive
activity
LED:
On
some
server
models,
each
hot-swap
hard
disk
drive
has
an
activity
LED.
When
this
LED
is
flashing,
it
indicates
that
the
drive
is
in
use.
Hard
disk
drive
status
LED:
If
a
ServeRAID-8i
adapter
is
installed,
when
this
LED
is
lit,
it
indicates
that
the
associated
hard
disk
drive
has
failed.
If
the
LED
flashes
slowly
(one
flash
per
second),
the
drive
is
being
rebuilt.
If
the
LED
flashes
rapidly
(three
flashes
per
second),
the
controller
is
identifying
the
drive.
Diskette
drive
activity
LED:
When
this
LED
is
lit,
it
indicates
that
the
diskette
drive
is
in
use.
Diskette-eject
button:
Press
this
button
to
release
a
diskette
from
the
diskette
drive.
CD
drive
activity
LED:
When
this
LED
is
lit,
it
indicates
that
the
CD
drive
is
in
use.
CD-eject
button:
Press
this
button
to
release
a
CD
or
DVD
from
the
DVD
drive.
Chapter
1.
The
System
x3800
server
9