> i have been running a amd64 machine as a cpu server > for 2 years. it uses standard ddr2 memory. i have not > seen any unexplained crashes or reboots during this time. > > at work, i have been running 5 un-ecc'd machines for > 3 years. also no unexplained crahses or reboots. > > how could this be if i would expect 240 + 1825 bit errors?
There is no mechanism which directly translates bit flips to crashes! The bad case is actually a corruption which does *not* cause a crash, but is written to disk. How often do you check your venti's SHA-1 hashes? Also, according to the data cited, machines do differ. Dave Eckhardt
