understanding smart logs
James McKenzie
jjmckenzie51 at earthlink.net
Mon Aug 16 03:14:34 UTC 2010
JD wrote:
> On 08/15/2010 06:44 PM, Suvayu Ali wrote:
>
>> 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.
>>
>
> Is it possible to purge the SMART logs and reset
> the counters, and the rerun the SMART tests?
>
>
That should be possible. Any errors should be a good reason to send the
drives back.
James McKenzie
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