On 07/12/10 16:54, Prentice Bisbal wrote: > 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.
Hi, Prentice. Have you tried Charles Cazabon's user-space "memtester" program: http://pyropus.ca/software/memtester/ It doesn't test *all* the memory, just what it can lock, but it does stress the memory sub-system in the same way that applications do... Bye, Tony. -- Dr. A.J.Travis, University of Aberdeen, Rowett Institute of Nutrition and Health, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, Scotland, UK tel +44(0)1224 712751, fax +44(0)1224 716687, http://www.rowett.ac.uk mailto:a.tra...@abdn.ac.uk, http://bioinformatics.rri.sari.ac.uk/~ajt _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
