Re: Read Errors on USB Drive

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Author: Stephen Partington
Date:  
To: Main PLUG discussion list
Subject: Re: Read Errors on USB Drive
There is an application called test disk that might be handy for data
recovery. But this looks like your drive is in bad shape.
On Dec 19, 2015 9:25 AM, "Mark Phillips" <> wrote:

> I have a 2 TB WD USB drive that I formated with NTFS. I have a rather
> extensive movie/TV library on it for my plex media server, and I am getting
> read errors. I hope I haven't lost all of that data! It has been attached
> to one of my Netgear wireless access points, hence the need for NTFS.
>
> fdisk -l gives for the drive
> /dev/sdc1            2048  3906963455  1953480704    7  HPFS/NTFS/exFAT

>
> I tried running smartctl on the device, (which is now plugged into a usb
> 3.0 port on my laptop) and got this error after a few tests
>
> SMART Self-test log structure revision number 1
> Num  Test_Description    Status                  Remaining
> LifeTime(hours)  LBA_of_first_error
> # 1  Short offline       Completed: read failure       90%
> 10086         494859396
> # 2  Extended offline    Completed: read failure       90%
> 10073         494859396
> # 3  Extended offline    Completed: read failure       90%
> 10072         494859396
> # 4  Short offline       Completed: read failure       90%
> 10072         494859396

>
> I noticed this in the attributes section of smartctl -
> 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   200   200   051    Pre-fail
> Always       -       122
>   3 Spin_Up_Time            0x0027   202   200   021    Pre-fail
> Always       -       4891
>   4 Start_Stop_Count        0x0032   100   100   000    Old_age
> Always       -       464
>   5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail
> Always       -       0
>   7 Seek_Error_Rate         0x002e   100   253   000    Old_age
> Always       -       0
>   9 Power_On_Hours          0x0032   087   087   000    Old_age
> Always       -       10086
>  10 Spin_Retry_Count        0x0032   100   100   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       -       40
> 192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age
> Always       -       17
> 193 Load_Cycle_Count        0x0032   198   198   000    Old_age
> Always       -       6187
> 194 Temperature_Celsius     0x0022   121   102   000    Old_age
> Always       -       31
> 196 Reallocated_Event_Count 0x0032   200   200   000    Old_age
> Always       -       0
> 197 Current_Pending_Sector  0x0032   200   200   000    Old_age
> Always       -       31
> 198 Offline_Uncorrectable   0x0030   100   253   000    Old_age
> Offline      -       0
> 199 UDMA_CRC_Error_Count    0x0032   200   200   000    Old_age
> Always       -       0
> 200 Multi_Zone_Error_Rate   0x0008   100   253   000    Old_age
> Offline      -       0

>
> Any thoughts on how I can fix this drive, or do I need to get a new one?
> What is the best way to copy the contents of the drive with these errors to
> a new drive?
>
> Thanks!
>
> Mark
>
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