On Jan 8, 2013, at 12:49 AM, Ross Boylan <ross@xxxxxxxxxxxxxxxx> wrote: > > The raw value (last column) for one of the parameters seems to be > changing extremely rapidly, and perhaps is overflowing: > # date; smartctl -a /dev/sda | grep 195 > Mon Jan 7 23:11:03 PST 2013 > 195 Hardware_ECC_Recovered 0x001a 059 024 000 Old_age Always - 241377818 > # date; smartctl -a /dev/sda | grep 195 > Mon Jan 7 23:12:26 PST 2013 > 195 Hardware_ECC_Recovered 0x001a 056 024 000 Old_age Always - 3600778 Not good. The current value is 56, the worst is 24, and the threshold is 0. These are high values. The firmware is doing its job in that it's fixing errors. But the fact it has to at this rate is not a good sign. Post sda's full attribute list. Is this disk under warranty? If it is I'd just get rid of it. 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