openipmi

[Vanush "Misha" Paturyan]

Hi Marcus,

> Hmm, just found "ipmitool sel list" and had a look at the event log  
> and its full
> with these messages:
>
>  13c | 07/02/2009 | 10:02:14 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  13d | 07/02/2009 | 10:12:54 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  13e | 07/03/2009 | 00:32:14 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  13f | 07/03/2009 | 00:32:15 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  140 | 07/03/2009 | 00:43:00 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  141 | 07/03/2009 | 00:43:02 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  142 | 07/03/2009 | 00:44:02 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  143 | 07/03/2009 | 00:44:02 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  144 | 07/03/2009 | 00:44:02 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  145 | 07/03/2009 | 00:44:03 | Memory ECC Corr Err | Correctable  
> ECC | Asserted
>  146 | 07/03/2009 | 00:44:03 | Event Logging Disabled SBE Log  
> Disabled | Correctable memory error logging disabled | Asserted

Definitely one of the memory modules, but not necessary defect.  
Something happend in one of the memory DIMMs but ECC kicked in and  
corrected errors "on the fly". From the OS point of view nothing  
serious happened expect under heavy loads frequent ECC corrections  
might lead to severe performance degradation (most notably in cluters  
running MPI jobs). I think you need to install OMSA to be able to  
figure out which DIMM is having problems.

Cheers,

Misha.

>
> Maybe one of the memory modules is defect?
>
>
> kind regards,
> Marcus
>
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---
Vanush "Misha" Paturyan
Senior Technical Officer
Computer Science Department
NUI Maynooth