[Beowulf] Memory stress testing tools.

Prentice Bisbal prentice at ias.edu
Tue Dec 7 16:09:35 EST 2010


That was the first thing I looked into. memtest86  supports upto 64 GB 
of RAM. My system has 128 GB. :(

I found prime95/gimps through a wikipedia page. I'm giving it a go now.

http://www.mersenne.org/freesoft/#newusers



On 12/07/2010 01:05 PM, Mcmillan, Scott A wrote:
> memtest86
>
> -----Original Message-----
> From: beowulf-bounces at beowulf.org [mailto:beowulf-bounces at beowulf.org] On Behalf Of Prentice Bisbal
> Sent: Tuesday, December 07, 2010 10:55 AM
> To: Beowulf Mailing List
> Subject: [Beowulf] Memory stress testing tools.
>
> Dear Beowulfers,
>
> Can any of you recommend a good RAM stress testing tool?
>
> I have a server with 128GB of RAM that keeps reporting single-bit
> errors. Every time this happens, I reseat the DIMMS or swap them around,
> and then run some large MPI jobs with I hope stress the RAM. Sometimes
> this produces more SBEs, sometimes it doesn't. When the system seems
> stable, I let the users back on it, and sure enough, they get it to
> start reporting SBEs in short order.
>
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