10-12-2006
Faulty PSU - but its still working !?!
Hello
We have a power supply in an x4100 (x86) and it seems to be faulty but it is still working!?! (this box only has one PSU). We are getting Orange flashing warning light on the front of the box and the LED labelled “rear PSu” is solid orange ...We don't seem to have had any syslog error messages generated at all on this so ive run ipmitool to see if it can give me some info.
./ipmitool chassis status
System Power : on
Power Overload : false
Power Interlock : inactive
Main Power Fault : true
Power Control Fault : false
Power Restore Policy : always-off
Last Power Event :
Chassis Intrusion : inactive
Front-Panel Lockout : inactive
Drive Fault : false
Cooling/Fan Fault : false
./ipmitool sunoem led get all
sys.psfail.led | ON
sys.tempfail.led | OFF
sys.fanfail.led | OFF
bp.power.led | ON
bp.locate.led | OFF
bp.alert.led | SLOW
etc, etc
Can anybody give me an indication whether this unit will need replacing ...or if there are further tests i should perform
(this is an x86 box so prtdiag wont work unfortunately)
Thanks & regards
Gary
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LED(4) BSD Kernel Interfaces Manual LED(4)
NAME
led -- API for manipulating LED's, lamps and other annunciators
SYNOPSIS
#include <dev/led/led.h>
typedef void led_t(void *priv, int onoff);
struct cdev *
led_create_state(led_t *func, void *priv, char const *name, int state);
struct cdev *
led_create(led_t *func, void *priv, char const *name);
void
led_destroy(struct cdev *);
DESCRIPTION
The led driver provides generic support for handling LEDs, lamps and other annunciators.
The hardware driver must supply a function to turn the annunciator on and off and the device name of the annunciator relative to /dev/led/.
The priv argument is passed back to this on/off function and can be used however the hardware driver sees fit.
The lamp can be controlled by opening and writing ASCII strings to the /dev/led/bla device.
In the following, we will use this special notation to indicate the resulting output of the annunciator:
* The annunciator is on for 1/10th second.
_ The annunciator is off for 1/10th second.
State can be set directly, and since the change happens immediately, it is possible to flash the annunciator with very short periods and syn-
chronize it with program events. It should be noted that there is a non-trivial overhead, so this may not be usable for benchmarking or mea-
suring short intervals.
0 Turn the annunciator off immediately.
1 Turn the annunciator on immediately.
Flashing can be set with a given period. The pattern continues endlessly.
f _*
f1 _*
f2 __**
f3 ___***
...
f9 _________*********
Three high-level commands are available:
d%d Numbers. Each digit is blinked out at 1/10th second, zero as ten pulses. Between digits a one second pause and after the last
digit a two second pause after which the sequence is repeated.
s%s String. This gives full control over the annunciator. Letters 'A' ... 'J' turn the annunciator on for from 1/10th to one full
second. Letters 'a' ... 'j' turn the annunciator off for 1/10th to one full second. Letters 'u' and 'U' turn the annunciator
off and on respectively when the next UTC second starts. Unless terminated with a '.', the sequence is immediately repeated.
m%s Morse.
'.' becomes '_*'
'-' becomes '_***'
' ' becomes '__'
'
' becomes '____'
The sequence is repeated after a one second pause.
FILES
/dev/led/*
EXAMPLES
A 'd12' flashes the lamp
*__________*_*______________________________
A 'sAaAbBa' flashes
*_*__**_
/usr/games/morse -l "Soekris rocks" > /dev/led/error
SEE ALSO
morse(6)
HISTORY
The led driver first appeared in FreeBSD 5.2.
AUTHORS
This software was written by Poul-Henning Kamp <phk@FreeBSD.org>.
This manual page was written by Sergey A. Osokin <osa@FreeBSD.org> and Poul-Henning Kamp <phk@FreeBSD.org>.
BSD
April 24, 2007 BSD