Problems with HDD

JKLs

Dabbler
Joined
Jul 28, 2018
Messages
11
I'm having issues with one of my hard drives. Everything started with a SMART short test failure. Here is the output of smartctl /dev/ada1 -a
Code:
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

General SMART Values:
Offline data collection status:  (0x00) Offline data collection activity
                                        was never started.
                                        Auto Offline Data Collection: Disabled.
Self-test execution status:      ( 114) The previous self-test completed having
                                        the read element of the test failed.
Total time to complete Offline
data collection:                (44160) seconds.
Offline data collection
capabilities:                    (0x7b) SMART execute Offline immediate.
                                        Auto Offline data collection on/off support.
                                        Suspend Offline collection upon new
                                        command.
                                        Offline surface scan supported.
                                        Self-test supported.
                                        Conveyance Self-test supported.
                                        Selective Self-test supported.
SMART capabilities:            (0x0003) Saves SMART data before entering
                                        power-saving mode.
                                        Supports SMART auto save timer.
Error logging capability:        (0x01) Error logging supported.
                                        General Purpose Logging supported.
Short self-test routine
recommended polling time:        (   2) minutes.
Extended self-test routine
recommended polling time:        ( 468) minutes.
Conveyance self-test routine
recommended polling time:        (   5) minutes.
SCT capabilities:              (0x303d) SCT Status supported.
                                        SCT Error Recovery Control supported.
                                        SCT Feature Control supported.
                                        SCT Data Table supported.

SMART Attributes Data Structure revision number: 16
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       -       0
  3 Spin_Up_Time            0x0027   183   167   021    Pre-fail  Always       -       5850
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       24
  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   060   060   000    Old_age   Always       -       29644
 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       -       24
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       21
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       21
194 Temperature_Celsius     0x0022   112   104   000    Old_age   Always       -       38
196 Reallocated_Event_Count 0x0032   200   200   000    Old_age   Always       -       0
197 Current_Pending_Sector  0x0032   200   200   000    Old_age   Always       -       0
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   200   200   000    Old_age   Offline      -       61

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  Short offline       Completed: read failure       20%     29581         3518227864
# 2  Extended offline    Completed: read failure       10%     29454         3518295048
# 3  Short offline       Completed: read failure       20%     29443         3518235416
# 4  Short offline       Completed: read failure       20%     29413         3518288464
# 5  Short offline       Completed without error       00%     29245         -
# 6  Short offline       Completed without error       00%     29078         -
# 7  Short offline       Completed without error       00%     28910         -
# 8  Short offline       Completed without error       00%     28742         -
# 9  Short offline       Completed without error       00%     28574         -
#10  Short offline       Completed without error       00%     28406         -
#11  Short offline       Completed without error       00%     28238         -
#12  Short offline       Completed without error       00%     28071         -
#13  Short offline       Completed without error       00%     27903         -
#14  Short offline       Completed without error       00%     27735         -
#15  Short offline       Completed without error       00%     27567         -
#16  Short offline       Completed without error       00%     27399         -
#17  Short offline       Completed without error       00%     27231         -
#18  Short offline       Completed without error       00%     27064         -
#19  Short offline       Completed without error       00%     26896         -
#20  Short offline       Completed without error       00%     26728         -
#21  Short offline       Completed without error       00%     26560         -


I read the Hard Drive Troubleshooting Guide and ran badblocks (after taking the disk offline):
Code:
Reading and comparing: done
Testing with pattern 0x55: done
Reading and comparing: done
Testing with pattern 0xff: done
Reading and comparing: done
Testing with pattern 0x00: done
Reading and comparing: done
Pass completed, 200001 bad blocks found. (0/200001/0 errors)
Checking for bad blocks in read-write mode
From block 3518195048 to 3518395048
Testing with pattern 0xaa: done
Reading and comparing: done
Testing with pattern 0x55: done
Reading and comparing: done
Testing with pattern 0xff: done
Reading and comparing: done
Testing with pattern 0x00: done
Reading and comparing: done
Pass completed, 0 bad blocks found. (0/200001/0 errors)


As far as I know the second number means write errors. But is this realistic? All of the tested LBAs with write errors?
And why only the first line always says '200001 bad blocks found' and not the other ones?

Also the SMART values don't look that bad. Any ideas on how to fix this (if possible at all)?
 
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