Confirmed premature hard disk failure

[Denis Leroy]

Ric Wheeler wrote:
> Krzysztof Halasa wrote:
>> Paulo Cavalcanti <promac at gmail.com> writes:
>>
>>> Here, there is a list of the affected hardware:
>>>
>>> https://wiki.ubuntu.com/DanielHahler/Bug59695#Affected%20hardware
>>
>> I wonder if my disk does qualify?
>> Model Family:     Hitachi Travelstar 80GN family
>> Device Model:     IC25N020ATMR04-0
>> -B 128 by default (disk's default, there is no BIOS). Changed now to 255.
>>
>> ID# ATTRIBUTE_NAME          FLAG   VALUE WORST THRESH TYPE     UPDATED 
>> WHEN_FAILED RAW_VALUE
>>   1 Raw_Read_Error_Rate     0x000b 100   100   062    Pre-fail Always  
>> -       0
>>   2 Throughput_Performance  0x0005 105   105   040    Pre-fail Offline 
>> -       5882
>>   3 Spin_Up_Time            0x0007 192   192   033    Pre-fail Always  
>> -       1
>>   4 Start_Stop_Count        0x0012 100   100   000    Old_age  Always  
>> -       859
>>   5 Reallocated_Sector_Ct   0x0033 100   100   005    Pre-fail Always  
>> -       0
>>   7 Seek_Error_Rate         0x000b 100   100   067    Pre-fail Always  
>> -       0
>>   8 Seek_Time_Performance   0x0005 118   118   040    Pre-fail Offline 
>> -       37
>>   9 Power_On_Hours          0x0012 037   037   000    Old_age  Always  
>> -       27788
>>  10 Spin_Retry_Count        0x0013 100   100   060    Pre-fail Always  
>> -       0
>>  12 Power_Cycle_Count       0x0032 100   100   000    Old_age  Always  
>> -       504
>> 191 G-Sense_Error_Rate      0x000a 100   100   000    Old_age  Always  
>> -       0
>> 192 Power-Off_Retract_Count 0x0032 100   100   000    Old_age  Always  
>> -       52
>> 193 Load_Cycle_Count        0x0012 001   001   000    Old_age  Always  
>> -       5178492
>> 194 Temperature_Celsius     0x0002 141   141   000    Old_age  Always  
>> -       39 (Lifetime Min/Max 13/59)
>> 196 Reallocated_Event_Count 0x0032 100   100   000    Old_age  Always  
>> -       2
>> 197 Current_Pending_Sector  0x0022 100   100   000    Old_age  Always  
>> -       1
>> 198 Offline_Uncorrectable   0x0008 100   100   000    Old_age  Offline 
>> -       0
>> 199 UDMA_CRC_Error_Count    0x000a 200   200   000    Old_age  Always  
>> -       0
>>
>> The disk is entirely readable (though it had 2 bad sectors, corrected by
>> writing to them).
>>
>> The 600,000 max cycle count seems a bit underestimated, though (fingers
>> crossed) :-)
> 
> Usually, the reallocated sector count is the one to watch and that seems 
> to be fine with your disk.
> 
> SMART in general tends to be a very bad predictor of drive failures - 
> most disks fail without showing up (i.e., one drive head will go bad) - 
> or it causes false positives which end in you pulling a reasonable drive.

Absolutely. If you disk supports it, you should run a long diagnostic test

http://www.mailinglistarchive.com/fedora-devel-list@redhat.com/msg52776.html