Luck, Tony wrote:
A rough estimation can be done as follows: Assume you have an MTBF of 30,000 hours. The probability of having an MCA in a one minute time frame is less than 1 / (60 * 30,000) < 10^(-6). The probability of having two independent errors causing MCAs in the same one minute time frame is less than 10^(-12).Russ's large systems change these. Is 30,000 hours a plausible MTBF for a DIMM. What if the system contains 8TB memory in 2GB DIMMs. Now you have 4096 DIMM sticks in the system. Redo your calculations for this large system. -Tony
Can you please provide some real MTBF data? Thanks, Zoltan -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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