On Wed, Jul 28, 2010 at 2:11 PM, Roman Mamedov <roman@xxxxxxxx> wrote: > On Wed, 28 Jul 2010 22:27:48 +0200 > Stefan *St0fF* Huebner <st0ff@xxxxxxx> wrote: > >> >> 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always >> >> - 0 >> >> 195 Hardware_ECC_Recovered 0x001a 058 039 000 Old_age Always >> >> - 146754005 >> >> 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always >> >> - 13 >> >> 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age >> >> Offline - 13 >> >> >> >> (relevant lines as far as I understand ...) >> >> >> > Do you have any high-fly writes? Are there lots of >> > Hardware_ECC_Recovered on all the drives? Is vibration likely to be an >> > issue? What's the drive/chassis? >> Hardware ECC recovered means how many times the internal error >> correction of the drive succeeded. Indeed this may indicate vibration >> or other external sources of errors. > > That drive is most likely a Seagate, and if so, there's nothing to worry > about. Literally every Seagate drive will have a high value in > Hardware_ECC_Recovered, it's just a peculiarity of their SMART. Other vendors' > drives recover read errors using ECC too, but don't report that into the SMART > metric. > I am waiting for this drive to get to the point that Seagate will accept an RMA: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 089 076 006 Pre-fail Always - 173224741 3 Spin_Up_Time 0x0003 094 093 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 69 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 2002 7 Seek_Error_Rate 0x000f 046 036 030 Pre-fail Always - 42786857552386 9 Power_On_Hours 0x0032 082 082 000 Old_age Always - 16170 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 5 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 69 184 Unknown_Attribute 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 012 012 000 Old_age Always - 88 188 Unknown_Attribute 0x0032 100 090 000 Old_age Always - 112 189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0 190 Airflow_Temperature_Cel 0x0022 064 057 045 Old_age Always - 36 (Lifetime Min/Max 33/43) 194 Temperature_Celsius 0x0022 036 043 000 Old_age Always - 36 (0 10 0 0) 195 Hardware_ECC_Recovered 0x001a 031 020 000 Old_age Always - 173224741 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 It is a desktop drive and is used for half of several RAID1 arrays, but so far it hasn't been kicked out of any arrays. I have run a check several times in the last few days. I had expected it to show a failing state when the reallocated sector count reached 2000, but it hasn't. The Seek Error rate is an order of magnitude higher than an identical drive that is the other half of those RAID1 arrays: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 1 Raw_Read_Error_Rate 0x000f 108 091 006 Pre-fail Always - 31895651 3 Spin_Up_Time 0x0003 094 093 000 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 55 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0 7 Seek_Error_Rate 0x000f 056 051 030 Pre-fail Always - 3741314243502 9 Power_On_Hours 0x0032 082 082 000 Old_age Always - 16221 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 2 12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 55 184 Unknown_Attribute 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 049 049 000 Old_age Always - 51 188 Unknown_Attribute 0x0032 100 098 000 Old_age Always - 2 189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0 190 Airflow_Temperature_Cel 0x0022 059 051 045 Old_age Always - 41 (Lifetime Min/Max 39/49) 194 Temperature_Celsius 0x0022 040 049 000 Old_age Always - 40 (0 9 0 0) 195 Hardware_ECC_Recovered 0x001a 025 015 000 Old_age Always - 31895651 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0 199 UDMA_CRC_Error_Count 0x003e 200 192 000 Old_age Always - 15 Simon -- 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
