[mythtv-users] Hard Drive Problems

[John Drescher]

> Thanks for the response John.
>
> I've checked the SMART data infrequently so I don't have a real point
> of reference for when it could have started showing signs of a
> problem. This isn't the first time I've lost drives on myth dedicated
> systems in the past, but it's the first time two seem to be showing
> problems at once.
>
> The only other drive I've ever lost that was still under warranty was
> an IBM DeathStar.
>

At work where I have 200 to 300 drives, I ship back 10 to 20 annually
for the last 3 to 4 years. Most of these are by a single manufacturer.

>
> Here's the SMART data for the drive you're thinking has file system corruption:
>
> ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE
> UPDATED  WHEN_FAILED RAW_VALUE
>  1 Raw_Read_Error_Rate     0x000f   200   200   051    Pre-fail
> Always       -       601
>  3 Spin_Up_Time            0x0003   180   180   021    Pre-fail
> Always       -       7991
>  4 Start_Stop_Count        0x0032   100   100   000    Old_age
> Always       -       76
>  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail
> Always       -       0
>  7 Seek_Error_Rate         0x000e   200   200   051    Old_age
> Always       -       0
>  9 Power_On_Hours          0x0032   048   048   000    Old_age
> Always       -       38625
>  10 Spin_Retry_Count        0x0012   100   253   051    Old_age
> Always       -       0
>  11 Calibration_Retry_Count 0x0012   100   253   051    Old_age
> Always       -       0
>  12 Power_Cycle_Count       0x0032   100   100   000    Old_age
> Always       -       74
> 192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age
> Always       -       101
> 193 Load_Cycle_Count        0x0032   001   001   000    Old_age
> Always       -       649774
> 194 Temperature_Celsius     0x0022   119   099   000    Old_age
> Always       -       33
> 196 Reallocated_Event_Count 0x0032   200   200   000    Old_age
> Always       -       0
> 197 Current_Pending_Sector  0x0012   200   200   000    Old_age
> Always       -       0
> 198 Offline_Uncorrectable   0x0010   200   200   000    Old_age
> Offline      -       0
> 199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age
> Always       -       0
> 200 Multi_Zone_Error_Rate   0x0008   200   200   051    Old_age
> Offline      -       19
>
> I'm tempted to try the ddrescue command, but the SMART data isn't
> showing any bad sectors.

I agree the SMART looks fine on this one. I would try what you said.

-- 
John M. Drescher