One day I noticed that a lot of my media-files were gone. And when checking the SMART, I can see that one drive has got a red SMART-light. This is the self-test:
Code
smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.19.0-0.bpo.9-amd64] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Western Digital Green
Device Model: WDC WD20EZRX-00D8PB0
Serial Number: WD-WMC4M2572717
LU WWN Device Id: 5 0014ee 05914e2ef
Firmware Version: 80.00A80
User Capacity: 2,000,398,934,016 bytes [2.00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 5400 rpm
Device is: In smartctl database [for details use: -P show]
ATA Version is: ACS-2 (minor revision not indicated)
SATA Version is: SATA 3.0, 6.0 Gb/s (current: 6.0 Gb/s)
Local Time is: Wed Sep 22 09:23:19 2021 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
AAM feature is: Unavailable
APM feature is: Unavailable
Rd look-ahead is: Enabled
Write cache is: Enabled
ATA Security is: Disabled, frozen [SEC2]
Wt Cache Reorder: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x84) Offline data collection activity
was suspended by an interrupting command from host.
Auto Offline Data Collection: Enabled.
Self-test execution status: ( 121) The previous self-test completed having
the read element of the test failed.
Total time to complete Offline
data collection: (26400) 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: ( 266) minutes.
Conveyance self-test routine
recommended polling time: ( 5) minutes.
SCT capabilities: (0x7035) SCT Status 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 FLAGS VALUE WORST THRESH FAIL RAW_VALUE
1 Raw_Read_Error_Rate POSR-K 200 200 051 - 1147
3 Spin_Up_Time POS--K 174 169 021 - 4300
4 Start_Stop_Count -O--CK 100 100 000 - 342
5 Reallocated_Sector_Ct PO--CK 200 200 140 - 0
7 Seek_Error_Rate -OSR-K 200 200 000 - 0
9 Power_On_Hours -O--CK 034 034 000 - 48257
10 Spin_Retry_Count -O--CK 100 100 000 - 0
11 Calibration_Retry_Count -O--CK 100 100 000 - 0
12 Power_Cycle_Count -O--CK 100 100 000 - 342
192 Power-Off_Retract_Count -O--CK 200 200 000 - 209
193 Load_Cycle_Count -O--CK 162 162 000 - 114012
194 Temperature_Celsius -O---K 110 092 000 - 37
196 Reallocated_Event_Count -O--CK 200 200 000 - 0
197 Current_Pending_Sector -O--CK 200 200 000 - 50
198 Offline_Uncorrectable ----CK 200 200 000 - 0
199 UDMA_CRC_Error_Count -O--CK 200 200 000 - 0
200 Multi_Zone_Error_Rate ---R-- 197 151 000 - 1560
||||||_ K auto-keep
|||||__ C event count
||||___ R error rate
|||____ S speed/performance
||_____ O updated online
|______ P prefailure warning
General Purpose Log Directory Version 1
SMART Log Directory Version 1 [multi-sector log support]
Address Access R/W Size Description
0x00 GPL,SL R/O 1 Log Directory
0x01 SL R/O 1 Summary SMART error log
0x02 SL R/O 5 Comprehensive SMART error log
0x03 GPL R/O 6 Ext. Comprehensive SMART error log
0x06 SL R/O 1 SMART self-test log
0x07 GPL R/O 1 Extended self-test log
0x09 SL R/W 1 Selective self-test log
0x10 GPL R/O 1 SATA NCQ Queued Error log
0x11 GPL R/O 1 SATA Phy Event Counters log
0x80-0x9f GPL,SL R/W 16 Host vendor specific log
0xa0-0xa7 GPL,SL VS 16 Device vendor specific log
0xa8-0xb7 GPL,SL VS 1 Device vendor specific log
0xbd GPL,SL VS 1 Device vendor specific log
0xc0 GPL,SL VS 1 Device vendor specific log
0xc1 GPL VS 93 Device vendor specific log
0xe0 GPL,SL R/W 1 SCT Command/Status
0xe1 GPL,SL R/W 1 SCT Data Transfer
SMART Extended Comprehensive Error Log Version: 1 (6 sectors)
No Errors Logged
SMART Extended Self-test Log Version: 1 (1 sectors)
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
# 1 Short offline Completed: read failure 90% 48257 3884189624
# 2 Short offline Completed: read failure 90% 48256 3884189626
# 3 Short offline Completed: read failure 90% 48255 3884189628
# 4 Short offline Completed: read failure 90% 48254 3884189630
# 5 Short offline Completed: read failure 90% 48253 3884189624
# 6 Short offline Completed: read failure 90% 48252 3884189626
# 7 Short offline Completed: read failure 90% 48251 3884189628
# 8 Short offline Completed: read failure 90% 48250 3884189630
# 9 Short offline Completed: read failure 90% 48249 3884189624
#10 Short offline Completed: read failure 90% 48248 3884189626
#11 Short offline Completed: read failure 90% 48247 3884189628
#12 Short offline Completed: read failure 90% 48246 3884189630
#13 Short offline Completed: read failure 90% 48245 3884189624
#14 Short offline Completed: read failure 90% 48244 3884189626
#15 Short offline Completed: read failure 90% 48243 3884189628
#16 Short offline Completed: read failure 90% 48242 3884189630
#17 Short offline Completed: read failure 90% 48241 3884189624
#18 Short offline Completed: read failure 90% 48240 3884189626
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.
SCT Status Version: 3
SCT Version (vendor specific): 258 (0x0102)
SCT Support Level: 1
Device State: Active (0)
Current Temperature: 37 Celsius
Power Cycle Min/Max Temperature: 33/45 Celsius
Lifetime Min/Max Temperature: 21/55 Celsius
Under/Over Temperature Limit Count: 0/0
Vendor specific:
01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
SCT Temperature History Version: 2
Temperature Sampling Period: 1 minute
Temperature Logging Interval: 1 minute
Min/Max recommended Temperature: 0/60 Celsius
Min/Max Temperature Limit: -41/85 Celsius
Temperature History Size (Index): 478 (286)
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TLDR, there is a read failure.
I guess some parts of the disk is unreadable.
When looking on my specific disk in the file browser I can see that there are still files available, and the disk is not empty.
I am using UnionFS, how do I swap this disk out and transfer the files that are good from the bad disk?
Thank you!