Re: understanding smart logs

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On Sunday 15 August 2010 10:17 AM, James McKenzie wrote:
> Got a good backup of this drive?  Looks like it needs to be retested, in
> a different machine and if it fails, replaced.
>
> I had a drive that exhibited the same behavior and eventually, it failed.
>

I downloaded the bootable iso of the disk diagnostic suite from Western 
Digital and ran. It claimed to detect and fix the errors. After the scan 
the smart logs read like this,

> Vendor Specific SMART Attributes with Thresholds:
> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
>   1 Raw_Read_Error_Rate     0x002f   199   199   051    Pre-fail  Always       -       1545
>   3 Spin_Up_Time            0x0027   253   253   021    Pre-fail  Always       -       1066
>   4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       42
>   5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
>   7 Seek_Error_Rate         0x002e   200   200   000    Old_age   Always       -       0
>   9 Power_On_Hours          0x0032   099   099   000    Old_age   Always       -       1426
>  10 Spin_Retry_Count        0x0032   100   253   000    Old_age   Always       -       0
>  11 Calibration_Retry_Count 0x0032   100   253   000    Old_age   Always       -       0
>  12 Power_Cycle_Count       0x0032   100   100   000    Old_age   Always       -       38
> 192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       21
> 193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       20
> 194 Temperature_Celsius     0x0022   109   107   000    Old_age   Always       -       41
> 196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
> 197 Current_Pending_Sector  0x0032   200   199   000    Old_age   Always       -       78
> 198 Offline_Uncorrectable   0x0030   200   200   000    Old_age   Offline      -       0
> 199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age   Always       -       0
> 200 Multi_Zone_Error_Rate   0x0008   200   200   000    Old_age   Offline      -       0
>
> SMART Error Log Version: 1
> No Errors Logged
>
> SMART Self-test log structure revision number 1
> Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
> # 1  Conveyance offline  Completed: read failure       90%      1422         1106820646
> # 2  Extended offline    Completed: read failure       90%      1393         1106820646
>

Is it okay to continue with this drive? I bought them a few months back, 
I am not in a position to change them unless I can RMA the unit.

> James McKenzie

All suggestions welcome.
-- 
Suvayu

Open source is the future. It sets us free.
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