On Thu, Feb 18, 2010 at 10:31 AM, ron minnich <rminn...@gmail.com> wrote:
> On Thu, Feb 18, 2010 at 10:26 AM, matt <maht-9f...@maht0x0r.net> wrote: > > > > > >> it supports 4gb of memory. > > > > of non-ECC memory, so nice terminal, bad server > > > > > > "the probability of having at least one bit error in 4 gigabyes of memory > at > > sea level on planet Earth in 72 hours is over 95%." > > > humorous and true story. The Big Mac system at Virginia Tech could > tell you if it was day or night. There was a dramatic increase in > memory error rates during the day. I saw a very nice graph showing the > effect. > > Seems the earth is a pretty good shield for nasty high energy > particles from our local light source :-) > > So just run it as a server at night and you may be fine! > > ron > I had a little interaction with that setup myself. Didn't they move to Xserves ultimately so they could have ECC RAM? I think it was all PowerMac G5s to start. I know of a larger cluster of Xserves too that was in Huntsville AL that I physically visited and worked with that was all Xserves (2500 of them I believe at the time).