[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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