On 8/12/07, Folkert van Heusden <[EMAIL PROTECTED]> wrote: > > > http://pdos.csail.mit.edu/papers/softecc:ddopson-meng/softecc_ddopson-meng.pdf > > > "SoftECC : A System for Software Memory Integrity Checking" > > > > Personally, I'd recommend just shelling out the bucks for hardware ECC if > > the reliability matters. > > a question and an idea: Q: is ecc guaranteed to detect all bitflips? > > Idea: what about a multicore system (3 or more) that runs the same > processes on 2 cores and a third core verifying that they both do the > same? As I think it is not only ram that can become faulty.
Such hardware does exist -- for example, Stratus sells systems that run the same OS on two separate boards in lockstep, with a voter to determine what action to take if they ever diverge. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
