Re: [Freeipmi-devel] Re: ipmi sensor thresholds

[Albert Chu]

Hey AB,

> | Record ID: 3
> | Sensor type: I/O Bd +1.8V (Voltage)
> | Sensor number: #18
> | Event/Reading type code: 01h
> | Lower non-recoverable threshold: 0.00 Volts
> | Upper non-recoverable threshold: 0.00 Volts
> | Lower Critical threshold: 1.66 Volts
> | Upper Critical threshold: 1.93 Volts
> | Lower non-critical threshold: 0.00 Volts
> | Upper non-critical threshold: 0.00 Volts
> | Sensor min. reading: 0.00 Volts
> | Sensor max. reading: 3.06 Volts
> | Normal min.: 1.70 Volts
> | Nominal reading: 1.80 Volts
> | Normal max: 1.88 Volts
> | Sensor reading: 1.84 Volts
> | Sensor status: OK
> | 
> | Will the only possible states output be OK and Critical?
> `----
> Possible states are: 
>  [OK]
>  [Non-critical]
>  [Critical]
>  [Non-recoverable]
>  [Unspecified fault]
>  [Unknown]

I guess I'm confused, how can you calculate some of the above states
when non-recoverable or non-critical are not listed?

Al

--
Albert Chu
address@hidden
Lawrence Livermore National Laboratory

----- Original Message -----
From: Anand Babu <address@hidden>
Date: Tuesday, August 10, 2004 11:19 am
Subject: Re: [Freeipmi-devel] Re: ipmi sensor thresholds

> 
> ,----[ Albert Chu <address@hidden> ]
> | >  Interpretation rules:
> | >   [OK]              : < non-critical
> | >   [Non-critical]    : => non-critical < critical
> | >   [Critical]        : => critical < non-recoverable 
> | >   [non-recoverable] : => non-recoverable 
> | 
> | The interpretation sounds good to me.  However, I'm concerned with
> | the interpretation when thresholds are not listed.  For example,
> | with the following:
> | 
> | Record ID: 3
> | Sensor type: I/O Bd +1.8V (Voltage)
> | Sensor number: #18
> | Event/Reading type code: 01h
> | Lower non-recoverable threshold: 0.00 Volts
> | Upper non-recoverable threshold: 0.00 Volts
> | Lower Critical threshold: 1.66 Volts
> | Upper Critical threshold: 1.93 Volts
> | Lower non-critical threshold: 0.00 Volts
> | Upper non-critical threshold: 0.00 Volts
> | Sensor min. reading: 0.00 Volts
> | Sensor max. reading: 3.06 Volts
> | Normal min.: 1.70 Volts
> | Nominal reading: 1.80 Volts
> | Normal max: 1.88 Volts
> | Sensor reading: 1.84 Volts
> | Sensor status: OK
> | 
> | Will the only possible states output be OK and Critical?
> `----
> Possible states are: 
>  [OK]
>  [Non-critical]
>  [Critical]
>  [Non-recoverable]
>  [Unspecified fault]
>  [Unknown]
> 
> ,----
> | What about:
> | 
> | Record ID: 33
> | Sensor type: F38 Tach Fan 1 (Fan)
> | Sensor number: #64
> | Event/Reading type code: 01h
> | Lower non-recoverable threshold: 0.00 RPM
> | Upper non-recoverable threshold: 0.00 RPM
> | Lower Critical threshold: 2100.00 RPM
> | Upper Critical threshold: 0.00 RPM
> | Lower non-critical threshold: 0.00 RPM
> | Upper non-critical threshold: 0.00 RPM
> | Sensor min. reading: 0.00 RPM
> | Sensor max. reading: 5100.00 RPM
> | Normal min.: 2260.00 RPM
> | Nominal reading: 2600.00 RPM
> | Normal max: 2880.00 RPM
> | Sensor reading: 2680.00 RPM
> | Sensor status: OK
> | 
> | Where there is no upper anything except for normal max.  So are the
> | only possible states OK and Non-Recoverable when RPM speeds go too
> | fast?
> `----
> This is because of improper values in SDR record. I will ask Rick Moen
> to coordinate with Intel to get a SDR fix.
> 
> State for records like these should be listed simply as [Unknown].
> Even warning level (upper/lower non-critical threshold) limits are not
> available. 
> 
> It is possible to find out which fields (limits) are readable
> (available) and list/use only them. But this feature doesn't help us
> in the above case. Till we fix the SDR, state should be listed as
> [Unknown]
> 
> -- 
> Anand Babu
> Free as in Freedom <www.gnu.org>
>