[no subject]

Unfortunately, swapping out ram did not help the problem.

I've decided to replace the motherboard/cpu (an older P3/700) with newer stuff.

Greg


On Thu, 6 Jan 2005 13:58:49 -0500, Greg Freemyer
<greg.freemyer at gmail.com> wrote:
> I have a machine that is introducing occasional data corruption.
> 
> For instance, I just copied 200 GB between two drives (one 3ware
> raid0, one 250GB PATA).
> 
> I then verified the data was the same using cmp --verbose.
> 
> It found 2 one-byte differences, so I'm having 1 byte/100 GB of corruption.
> 
> Assuming 'cmp --verbose' outputs octal, both bytes had a single bit
> set in the copy that was not set in the original.
> 
> i.e. 20 --> 220   and   0 --> 200
> 
> I know I need to run a memchk, but are there any other diagnostics I
> could run to try to figure out what hardware is bad?
> 
> I'm also wondering if I need to byte the bullet and replace the
> motherboard with one that has ECC RAM.
> 
> FYI: I'm pretty sure it is not the 3ware card (I've had corruption
> when none of the data was on disks controlled by that card.)  I've
> also already changed out the ATA controller.
> 
> Thanks
> Greg
> --
> Greg Freemyer
>


</pre>
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