[CentOS] debugging RAM issues

Les Mikesell lesmikesell at gmail.com
Wed Mar 14 15:16:38 EDT 2012


On Wed, Mar 14, 2012 at 1:43 PM, Alan McKay <alan.mckay at gmail.com> wrote:
> Well I did exactly what I'd done 3 months ago and found a faulty RAM chip
> this time
>
> My guess is that back then the chip was still functioning some of the time,
> and happened to be fine just when I was doing the tests.
>
> This time I found it fairly easily with a systematic approach.

If you were running software RAID1 on that box, don't trust anything
on the drives now.   Maybe even if you weren't, but it is especially
weird when alternate reads randomly revive bad data that you thought
had been fixed already.

-- 
   Les Mikesell
     lesmikesell at gmail.com


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