[mythtv-users] Needs second opinion, is my HD failing?
John Drescher
drescherjm at gmail.com
Thu Jan 29 04:13:38 UTC 2009
On Wed, Jan 28, 2009 at 11:05 PM, Richard Shaw <hobbes1069 at gmail.com> wrote:
> I've been having some quirky issues lately and decided to take a look
> at the SMART data for the disk. There seems to be a large count of
> errors in some of the categories.
>
> === START OF READ SMART DATA SECTION ===
> SMART Attributes Data Structure revision number: 10
> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE
> UPDATED WHEN_FAILED RAW_VALUE
> 1 Raw_Read_Error_Rate 0x000f 087 086 006 Pre-fail
> Always - 13453278
> 3 Spin_Up_Time 0x0003 095 094 000 Pre-fail
> Always - 0
> 4 Start_Stop_Count 0x0032 100 100 020 Old_age
> Always - 45
> 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail
> Always - 955
> 7 Seek_Error_Rate 0x000f 064 060 030 Pre-fail
> Always - 51576892355
> 9 Power_On_Hours 0x0032 092 092 000 Old_age
> Always - 7529
> 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail
> Always - 1
> 12 Power_Cycle_Count 0x0032 100 100 020 Old_age
> Always - 45
> 184 Unknown_Attribute 0x0032 100 100 099 Old_age
> Always - 0
> 187 Reported_Uncorrect 0x0032 096 096 000 Old_age
> Always - 4
> 188 Unknown_Attribute 0x0032 100 100 000 Old_age
> Always - 0
> 189 High_Fly_Writes 0x003a 086 086 000 Old_age
> Always - 14
> 190 Airflow_Temperature_Cel 0x0022 065 052 045 Old_age
> Always - 35 (Lifetime Min/Max 35/36)
> 194 Temperature_Celsius 0x0022 035 048 000 Old_age
> Always - 35 (0 23 0 0)
> 195 Hardware_ECC_Recovered 0x001a 041 022 000 Old_age
> Always - 13453278
> 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
>
More likely is that smart is not interpreting the values correctly
because it does not know your drive.
With that said, I can tell you that smart has never predicted a drive
failure for me at home or at work (where I have > 100 drives spinning
24/7).
John
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