We have a cluster and each server have 2 PSU.
An alarm should be raised in case of failure so we need to check periodically the PSU status wth a script.
The first idea was to check with ipmitool but this take some time to get the data and we face some other issues now due to that delay.
Using ipmitool we can parse the watt consumption for both supplies of each server and in case is 0 mean the PSU fails.
I was wondering if i can do the same with dmidecode which is executed faster.
I tried the following two commands but the problem is that i see only one PSU information.
Code:
# dmidecode -t 39
# dmidecode 2.11
SMBIOS 2.7 present.
Handle 0x0079, DMI type 39, 22 bytes
System Power Supply
Power Unit Group: 1
Location: To Be Filled By O.E.M.
Name: To Be Filled By O.E.M.
Manufacturer: To Be Filled By O.E.M.
Serial Number: To Be Filled By O.E.M.
Asset Tag: To Be Filled By O.E.M.
Model Part Number: To Be Filled By O.E.M.
Revision: To Be Filled By O.E.M.
Max Power Capacity: Unknown
Status: Present, OK
Type: Switching
Input Voltage Range Switching: Auto-switch
Plugged: Yes
Hot Replaceable: No
Input Voltage Probe Handle: 0x0075
Cooling Device Handle: 0x0077
Input Current Probe Handle: 0x0078
#
Code:
# dmidecode -t chassis
# dmidecode 2.11
SMBIOS 2.7 present.
Handle 0x0003, DMI type 3, 22 bytes
Chassis Information
Manufacturer: empty
Type: Hand Held
Lock: Not Present
Version: empty
Serial Number: empty
Asset Tag: empty
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: None
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: 1
Contained Elements: 0
SKU Number: To be filled by O.E.M.
#
Hi,
We have a text file which has the following data.
ISA~00~ ~00~ ~ZZ~VISTN ~ZZ~U1CAD ~051227~183
7~U~00200~000011258~0~P~<
GS~FA~EE05J~U1CAD~051227~1831~000011258~X~002002
ST~997~0001
AK1~SH~247
AK2~856~2470001
AK5~A
AK2~856~2470002
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Discussion started by: abhaydas
1 Replies
LEARN ABOUT REDHAT
alarm
ALARM(2) Linux Programmer's Manual ALARM(2)NAME
alarm - set an alarm clock for delivery of a signal
SYNOPSIS
#include <unistd.h>
unsigned int alarm(unsigned int seconds);
DESCRIPTION
alarm arranges for a SIGALRM signal to be delivered to the process in seconds seconds.
If seconds is zero, no new alarm is scheduled.
In any event any previously set alarm is cancelled.
RETURN VALUE
alarm returns the number of seconds remaining until any previously scheduled alarm was due to be delivered, or zero if there was no previ-
ously scheduled alarm.
NOTES
alarm and setitimer share the same timer; calls to one will interfere with use of the other.
sleep() may be implemented using SIGALRM; mixing calls to alarm() and sleep() is a bad idea.
Scheduling delays can, as ever, cause the execution of the process to be delayed by an arbitrary amount of time.
CONFORMING TO
SVr4, SVID, POSIX, X/OPEN, BSD 4.3
SEE ALSO setitimer(2), signal(2), sigaction(2), gettimeofday(2), select(2), pause(2), sleep(3)Linux 1993-07-21 ALARM(2)