On Nov 27, 2012, at 6:05 AM, David Brown <david.brown@xxxxxxxxxxxx> wrote: > > It is /undetected/ disk errors that are a problem. Typical figures I have seen are around 1 in 1e12 4KB blocks - or 1 in 3e16 bits. Is this with consumer SATA? Or other? Chris Murphy-- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html