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" > 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 > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss > > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss