Hey Won,
Yeah, it is. The problem lies in the fact that the floating point
numbers must be mapped into their non-floating point equivalents when
being written to firmware and some accuracy can be lost b/c of the
reality of the range of numbers that can realistically be represented.
I have a note in the manpage about this. Do you think I should make it
more clear? Or perhaps I need to put something in the tool to make it
more apparent this can/will happen?
Al
On Tue, 2008-12-09 at 22:40 -0800, Won De Erick wrote:
Hi,
I noticed that when I changed the last digit of a threshold value, the new
value was not reflected when checking it out.
I did this to other sensor threshold values (those with a 0 or 00 last), and
same thing happened. Is this normal?
# ipmi-sensors-config -c -e
24_Processor1_Temp:Upper_Non_Critical_Threshold=75.01
# ipmi-sensors-config -o -S 24_Processor1_Temp
Section 24_Processor1_Temp
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Non_Critical_Threshold -5.00
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Critical_Threshold -10.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Non_Critical_Threshold 75.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Critical_Threshold 80.00
EndSection
# ipmi-sensors-config -c -e
24_Processor1_Temp:Upper_Non_Critical_Threshold=75.10
# ipmi-sensors-config -o -S 24_Processor1_Temp
Section 24_Processor1_Temp
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Non_Critical_Threshold -5.00
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Critical_Threshold -10.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Non_Critical_Threshold 75.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Critical_Threshold 80.00
EndSection
# ipmi-sensors-config -c -e
24_Processor1_Temp:Upper_Non_Critical_Threshold=75.10
# ipmi-sensors-config -o -S 24_Processor1_Temp
Section 24_Processor1_Temp
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Non_Critical_Threshold -5.00
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Critical_Threshold -10.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Non_Critical_Threshold 75.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Critical_Threshold 80.00
EndSection
# ipmi-sensors-config -c -e
24_Processor1_Temp:Upper_Non_Critical_Threshold=76.10
# ipmi-sensors-config -o -S 24_Processor1_Temp
Section 24_Processor1_Temp
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Non_Critical_Threshold -5.00
## Give valid input for sensor type = Temperature; units = degrees C
Lower_Critical_Threshold -10.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Non_Critical_Threshold 76.00
## Give valid input for sensor type = Temperature; units = degrees C
Upper_Critical_Threshold 80.00
EndSection
Thanks,
Won
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Albert Chu
[EMAIL PROTECTED]
Computer Scientist
High Performance Systems Division
Lawrence Livermore National Laboratory
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