Troubleshooting Tools; Leds; Front Panel; External Health Led - HP Integrity rx2660 User's & Service Manual

Table 36 Advanced Low End Troubleshooting (continued)
Step Symptom/Condition
8b MCA occurs during server
operation; server reboot of OS
is prevented. NOTE: The
troubleshooting actions for this
step are identical to those in
Step 8a, except that the server
in this step must be hard reset
to begin the booting process
You must hard reset the server
to clear the fatal condition and
boot the OS

Troubleshooting Tools

LEDs

Front Panel

The front panel of the system contains the power button/system power LED, internal and external
health LEDs, system health LED, locator switch/LED, and an INIT button. The rx2660 server use
flashing states (for example, flashing amber or red) on these LEDs to indicate a warning or an
error.
There are a total of three buttons, arranged horizontally, with the UID button and the power button
each having an integrated LED. In addition to the two integrated button/LEDs, there are three
health LEDs and an INIT button.
The health LEDs are arranged sequentially in line with the power button/LED, and as the system
starts up, there will be more "green" the further the system proceeds in the startup process.
1. The power LED turns green soon as the system starts to power on.
2. The external health indicator turns green as soon as the BMC can light it.
3. The internal health indicator turns green as soon as the BOOT_START event is received from
system firmware (BOOT_START can be determined by LED states on the I/O backplane).
4. The system health indicator turns green when firmware leaves "exit boot services" and begins
to boot an OS.
The health LEDs are driven by the BMC; the power LED is driven solely by hardware. BMC code
determines the state of the internal and external health LEDs, while the iLO 2 MP code, examining
incoming events using its event dictionary, determines the state of the system health LED.

External Health LED

The front panel external health LED indicates the status of the components that are externally
serviceable. Whenever the external health LED is lit, the corresponding CRU should be lit for the
failed component.
Failures that cause the external health LED to light do not cause the internal health LED to light.
These two LEDs cover failures of different components.
Action
The preceding problem is fixed when the MCA does not repeat, or the
source of the MCA has been determined and dealt with.
Front panel LEDs indicate that the server detected a fatal, front side bus
error, caused by MBEs reading cache or DIMM; or by any parity in the
I/O path between SBA, LBA, or HBA (system health is off, internal health
is flashing amber, external health is steady green, power is steady green).
System firmware is running to gather and log all error data for this MCA
event.
1. Examine the iLO 2 MP logs for entries related to processors, processor
power modules (PPMs), shared memory, and core I/O devices (See
"Errors and Reading Error Logs" (page 118)
The preceding problem is fixed when the MCA does not repeat.
for more details).
Troubleshooting Tools 1 1 1