ATA Error Count 12

Hi just wondering if someone might be able to help me diagnose these errors.

admin@truenas[~]$ sudo smartctl -a /dev/sdd
smartctl 7.2 2020-12-30 r5155 [x86_64-linux-5.15.131+truenas] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:     ST4000VN006-3CW104
Serial Number:    
LU WWN Device Id: 5 000c50 0e50e617c
Firmware Version: SC60
User Capacity:    4,000,787,030,016 bytes [4.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    5400 rpm
Form Factor:      3.5 inches
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   ACS-3 T13/2161-D revision 5
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is:    Sun Jun 30 22:46:39 2024 PDT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== 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:      ( 117) The previous self-test completed having
                                        the read element of the test failed.
Total time to complete Offline 
data collection:                (    0) seconds.
Offline data collection
capabilities:                    (0x73) SMART execute Offline immediate.
                                        Auto Offline data collection on/off support.
                                        Suspend Offline collection upon new
                                        command.
                                        No 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:        (   1) minutes.
Extended self-test routine
recommended polling time:        ( 469) minutes.
Conveyance self-test routine
recommended polling time:        (   2) minutes.
SCT capabilities:              (0x70bd) SCT Status supported.
                                        SCT Error Recovery Control supported.
                                        SCT Feature Control supported.
                                        SCT Data Table supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   068   064   006    Pre-fail  Always       -       6580434
  3 Spin_Up_Time            0x0003   096   096   000    Pre-fail  Always       -       0
  4 Start_Stop_Count        0x0032   100   100   020    Old_age   Always       -       36
  5 Reallocated_Sector_Ct   0x0033   097   097   010    Pre-fail  Always       -       439
  7 Seek_Error_Rate         0x000f   082   060   045    Pre-fail  Always       -       168716091
  9 Power_On_Hours          0x0032   089   089   000    Old_age   Always       -       10054
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       30
183 Runtime_Bad_Block       0x0032   099   099   000    Old_age   Always       -       1
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   092   092   000    Old_age   Always       -       8
188 Command_Timeout         0x0032   100   098   000    Old_age   Always       -       21475229702
189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always       -       0
190 Airflow_Temperature_Cel 0x0022   074   064   040    Old_age   Always       -       26 (Min/Max 24/27)
191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always       -       0
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       17
193 Load_Cycle_Count        0x0032   100   100   000    Old_age   Always       -       998
194 Temperature_Celsius     0x0022   026   040   000    Old_age   Always       -       26 (0 22 0 0 0)
195 Hardware_ECC_Recovered  0x001a   068   064   000    Old_age   Always       -       6580434
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       120
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       120
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline      -       9500 (197 12 0)
241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline      -       32792476209
242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline      -       135768055443

SMART Error Log Version: 1
ATA Error Count: 12 (device log contains only the most recent five errors)
        CR = Command Register [HEX]
        FR = Features Register [HEX]
        SC = Sector Count Register [HEX]
        SN = Sector Number Register [HEX]
        CL = Cylinder Low Register [HEX]
        CH = Cylinder High Register [HEX]
        DH = Device/Head Register [HEX]
        DC = Device Command Register [HEX]
        ER = Error register [HEX]
        ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.

Error 12 occurred at disk power-on lifetime: 10020 hours (417 days + 12 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 53 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  60 00 00 ff ff ff 4f 00      00:01:18.367  READ FPDMA QUEUED
  60 00 00 ff ff ff 4f 00      00:01:18.367  READ FPDMA QUEUED
  60 00 00 80 03 40 40 00      00:01:18.367  READ FPDMA QUEUED
  60 00 b0 d0 01 40 40 00      00:01:18.367  READ FPDMA QUEUED
  60 00 08 c8 01 40 40 00      00:01:18.367  READ FPDMA QUEUED

Error 11 occurred at disk power-on lifetime: 10020 hours (417 days + 12 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 53 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  60 00 00 ff ff ff 4f 00      00:01:15.471  READ FPDMA QUEUED
  60 00 00 ff ff ff 4f 00      00:01:15.470  READ FPDMA QUEUED
  60 00 00 80 03 40 40 00      00:01:15.470  READ FPDMA QUEUED
  60 00 b0 d0 01 40 40 00      00:01:15.470  READ FPDMA QUEUED
  60 00 08 c8 01 40 40 00      00:01:15.470  READ FPDMA QUEUED

Error 10 occurred at disk power-on lifetime: 10020 hours (417 days + 12 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 53 00 ff ff ff 0f  Error: UNC at LBA = 0x0fffffff = 268435455

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  60 00 00 ff ff ff 4f 00      00:00:29.359  READ FPDMA QUEUED
  60 00 00 ff ff ff 4f 00      00:00:29.359  READ FPDMA QUEUED
  60 00 00 80 03 40 40 00      00:00:29.359  READ FPDMA QUEUED
  60 00 b0 d0 01 40 40 00      00:00:29.359  READ FPDMA QUEUED
  60 00 08 c8 01 40 40 00      00:00:29.358  READ FPDMA QUEUED

Error 9 occurred at disk power-on lifetime: 9783 hours (407 days + 15 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 53 03 86 00 11 40  Error: WP at LBA = 0x00110086 = 1114246

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  61 00 10 90 02 40 40 00      00:40:52.994  WRITE FPDMA QUEUED
  60 00 10 ff ff ff 4f 00      00:40:52.992  READ FPDMA QUEUED
  60 00 10 ff ff ff 4f 00      00:40:52.992  READ FPDMA QUEUED
  60 00 10 90 02 40 40 00      00:40:52.992  READ FPDMA QUEUED
  60 00 08 ff ff ff 4f 00      00:40:52.991  READ FPDMA QUEUED

Error 8 occurred at disk power-on lifetime: 9783 hours (407 days + 15 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  04 73 03 86 00 11 40  Device Fault; Error: ABRT at LBA = 0x00110086 = 1114246

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  61 00 10 90 02 40 40 00      00:40:52.994  WRITE FPDMA QUEUED
  60 00 10 ff ff ff 4f 00      00:40:52.992  READ FPDMA QUEUED
  60 00 10 ff ff ff 4f 00      00:40:52.992  READ FPDMA QUEUED
  60 00 10 90 02 40 40 00      00:40:52.992  READ FPDMA QUEUED
  60 00 08 ff ff ff 4f 00      00:40:52.991  READ FPDMA QUEUED

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       50%     10051         -
# 2  Conveyance offline  Completed: read failure       60%     10051         -
# 3  Short offline       Completed: read failure       80%     10051         -
# 4  Short offline       Completed: read failure       70%     10051         -
# 5  Extended offline    Completed: read failure       10%     10036         -
# 6  Extended offline    Completed: read failure       90%     10022         -
# 7  Extended offline    Completed: read failure       90%     10022         -

SMART Selective self-test log data structure revision number 1
 SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
    1        0        0  Not_testing
    2        0        0  Not_testing
    3        0        0  Not_testing
    4        0        0  Not_testing
    5        0        0  Not_testing
Selective self-test flags (0x0):
  After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.

Your disk would appear to be knackered. Its recently failed multiple tests.

Replace it

Replace the disk.

It has bad blocks, as indicated by Reallocated Sectors Count, and it will have more soon, as indicated by Current Pending Sectors Count.

Cheers! Sent back for warranty.

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