Gerry Creager wrote: > David Mathog wrote: >> Huw Lynes <lyn...@cardiff.ac.uk> wrote: >> >>> http://blog.revolution-computing.com/2009/04/blame-it-on-cosmic-rays.html >>> >>> >>> Apparently someone ran a large cluster job with both ECC and none-ECC >>> RAM. They consistently got the wrong answer when foregoing ECC. >> >> There were not very many details given. I would not rule out the >> possibility that the nonECC memory was slightly faulty, and that the >> observed errors had nothing to do with gamma rays at all. A better test >> would have been to use the same ECC memory for both tests, and to turn >> ECC memory correction on and off in the BIOS. > > Where's Jim Lux. I'm sure he's an opinion on this, too... >
Opinion? I think he could write a book on this topic! Last time this issue came up, he included links to several papers on this topic published by Boeing. As you go up in the atmosphere, the [prevalence|probability|concentration] of cosmic rays goes up significantly. Boeing has done a lot of research on this topic, since it can affect the operation of their [products|weapons]. -- Prentice _______________________________________________ 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
