There is a special version of dd that will retry on bad sectors and try
to formulate a best guess for the bad sector. I've used it with some
success - took about 2 weeks to recover a 300GB drive. I also had to
keep it refrigerated.
Regards,
George Toft
On 12/19/2015 9:32 AM, Stephen Partington wrote:
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" <[email protected]
<mailto:[email protected]>> 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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