Hello,
I have observed a strange behaviour when using ipmimonitoring library
from a C program to collect the value of particular sensor
The problem was observed on a cluster of homogeneous nodes and with
freeipmi version 1.2.1.
Even if ipmi-sensors command returns correctly the record id the
function "ipmi_monitoring_sensor_readings_by_record_id"
returns "sensor not found"
The strange thing is that the function works correctly on most of the
nodes and the problem arrives only on some nodes:
Here are some output from our cluster. In the results the executable
./test_lib_ipmi makes use of the function
"ipmi_monitoring_sensor_readings_by_record_id"
so this is a node where the function works fine
--------------------
[root@taurusi1021 ~]# ipmi-sensors -r 81
ID | Name | Type | Reading | Units | Event
81 | Blade Consum | Power Supply | 78.00 | W | 'OK'
[root@taurusi1021 ~]# ./test_lib_ipmi 1 81
sensor=81
The sensor value is in watt: 76
------------------------
and this is a node where it doesn't:
-------------------------
[root@taurusi1001 ~]# ipmi-sensors -r 81
ID | Name | Type | Reading | Units | Event
81 | Blade Consum | Power Supply | 72.00 | W | 'OK'
[root@taurusi1001 ~]# ./test_lib_ipmi 1 81
sensor=81
error: ipmi_monitoring_sensor_readings_by_record_id: sensor not found
------------------------------
Do you have any ideas why we get this behaviour? Could this be a
freeipmi configuration problem (related with the defaults of
ipmimonitoring library) or a hardware issue ?
Let me know if you want more information to localize the problem
Thanks a lot for your help
Best Regards
Yiannis
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