HDD отваливается от системы при чтении/записи

[OlegNKor]

Здравствуйте.

Есть:
1. UBUNTU Server 20.04
2. HDD WD Red 4Tb (WD40EFAX)
3. Желание подключить диск к точке монтирования /hhome

Мои действия:

- По мануалу, подключил диск, разметил, отформатировал, примонтировал, записал в fstab ...
- Перезагружаю систему имею следующее:

1. df -h

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# df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            3,8G     0  3,8G   0% /dev
tmpfs           784M  1,3M  783M   1% /run
/dev/sda3       219G   86G  123G  42% /
tmpfs           3,9G     0  3,9G   0% /dev/shm
tmpfs           5,0M     0  5,0M   0% /run/lock
tmpfs           3,9G     0  3,9G   0% /sys/fs/cgroup
/dev/sda2       275M  196M   59M  77% /boot
/dev/loop1       56M   56M     0 100% /snap/core18/1932
/dev/sdc1       916G   42G  829G   5% /home
/dev/loop0       56M   56M     0 100% /snap/core18/1944
/dev/loop3       32M   32M     0 100% /snap/snapd/10238
/dev/loop4       32M   32M     0 100% /snap/snapd/10492
/dev/loop2       71M   71M     0 100% /snap/lxd/16922
/dev/loop5       68M   68M     0 100% /snap/lxd/18150
/dev/sdb1       3,6T  5,5G  3,4T   1% /hhome
tmpfs           784M     0  784M   0% /run/user/1000

2. # sudo blkid

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# sudo blkid
/dev/sdb1: UUID="fac62282-6b19-4d84-99fa-2725dd7ec7ce" TYPE="ext4" PARTLABEL="primary" PARTUUID="deb50f8d-8309-4faa-9089-bb529816ff9c"
/dev/sda2: UUID="a3aff602-3ec3-4e9c-951b-666dcae758b2" TYPE="ext4" PARTUUID="414c6161-d594-4e79-9e6f-7ccf598b2ae9"
/dev/sda3: UUID="bfe75e46-6cc5-4bdb-a30d-6136c98edd69" TYPE="ext4" PARTUUID="4e2db00d-5a30-4d1d-b24c-a4a20aae064a"
/dev/sdc1: UUID="972f438b-9df9-4ddc-abef-2e96449c353b" TYPE="ext4" PARTUUID="ae899f8d-ef67-4d15-9997-18971fe3b9b3"
/dev/loop0: TYPE="squashfs"
/dev/loop1: TYPE="squashfs"
/dev/loop2: TYPE="squashfs"
/dev/loop3: TYPE="squashfs"
/dev/loop4: TYPE="squashfs"
/dev/loop5: TYPE="squashfs"
/dev/sda1: PARTUUID="957a53b3-9557-475d-a334-304121ce1e2b"
root@pegas:/etc# ^C
root@pegas:/etc# ^C
root@pegas:/etc# df -h
Filesystem      Size  Used Avail Use% Mounted on
udev            3,8G     0  3,8G   0% /dev
tmpfs           784M  1,3M  783M   1% /run
/dev/sda3       219G   86G  123G  42% /
tmpfs           3,9G     0  3,9G   0% /dev/shm
tmpfs           5,0M     0  5,0M   0% /run/lock
tmpfs           3,9G     0  3,9G   0% /sys/fs/cgroup
/dev/sda2       275M  196M   59M  77% /boot
/dev/loop1       56M   56M     0 100% /snap/core18/1932
/dev/sdc1       916G   42G  829G   5% /home
/dev/loop0       56M   56M     0 100% /snap/core18/1944
/dev/loop3       32M   32M     0 100% /snap/snapd/10238
/dev/loop4       32M   32M     0 100% /snap/snapd/10492
/dev/loop2       71M   71M     0 100% /snap/lxd/16922
/dev/loop5       68M   68M     0 100% /snap/lxd/18150
/dev/sdb1       3,6T  5,5G  3,4T   1% /hhome
tmpfs           784M     0  784M   0% /run/user/1000

3. # parted /dev/sdb print

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# parted /dev/sdb print
Model: ATA WDC WD40EFAX-68J (scsi)
Disk /dev/sdb: 4001GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags:

Number  Start   End     Size    File system  Name     Flags
 1      1049kB  4001GB  4001GB  ext4         primary

4. cat /etc/fstab

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# cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda3 during curtin installation
/dev/disk/by-uuid/bfe75e46-6cc5-4bdb-a30d-6136c98edd69 / ext4 defaults 0 0
# /home was on /dev/sdb1 during curtin installation
/dev/disk/by-uuid/972f438b-9df9-4ddc-abef-2e96449c353b /home ext4 defaults 0 0
# /hhome was on /dev/sdb1 during curtin installation
#/dev/disk/by-partlabel/primary /hhome ext4 defaults 0 0
/dev/disk/by-uuid/fac62282-6b19-4d84-99fa-2725dd7ec7ce /hhome ext4 defaults 0 0
# /boot was on /dev/sda2 during curtin installation
/dev/disk/by-uuid/a3aff602-3ec3-4e9c-951b-666dcae758b2 /boot ext4 defaults 0 0
/swap.img       none    swap    sw      0       0

5.  # fdisk -l

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# fdisk -l
Disk /dev/loop0: 55,39 MiB, 58073088 bytes, 113424 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop1: 55,37 MiB, 58052608 bytes, 113384 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop2: 70,58 MiB, 73990144 bytes, 144512 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop3: 31,7 MiB, 32579584 bytes, 63632 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop4: 31,6 MiB, 32571392 bytes, 63616 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop5: 67,77 MiB, 71041024 bytes, 138752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sdb: 3,65 TiB, 4000787030016 bytes, 7814037168 sectors
Disk model: WDC WD40EFAX-68J
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 39DE87CB-07CC-4170-9BA1-171D864F63DE

Device     Start        End    Sectors  Size Type
/dev/sdb1   2048 7814035455 7814033408  3,7T Linux filesystem


Disk /dev/sda: 223,58 GiB, 240057409536 bytes, 468862128 sectors
Disk model: KINGSTON SV300S3
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: C0944E98-B15A-4030-A06E-ED52203DE822

Device      Start       End   Sectors   Size Type
/dev/sda1    2048      4095      2048     1M BIOS boot
/dev/sda2    4096    618495    614400   300M Linux filesystem
/dev/sda3  618496 468858879 468240384 223,3G Linux filesystem


Disk /dev/sdc: 931,53 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: ST1000DM003-1CH1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 36BEC8E3-97EA-4521-A8EC-1931FCD19F19

Device     Start        End    Sectors   Size Type
/dev/sdc1   2048 1953521663 1953519616 931,5G Linux filesystem

В общем все ОТЛИЧНО, но...
Стоит мне скопировать на примонтированный диск около 1-2 Гиг...
Диск отваливается и я имею ошибку:
"special device /dev/hdb1 does not exist"

Перезагружаю систему, все восстанавливается... до следующего обмена данными на "новом" диске.

Подскажите, что можно предпринять, или где искать грабли.

[ALiEN]

Код: [Выделить]

dmesg | tail -50
sudo smartctl -a /dev/sdb

[OlegNKor]

# sudo smartctl -a /dev/sdb

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# sudo smartctl -a /dev/sdb
smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.4.0-58-generic] (local build)
Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Device Model:     WDC WD40EFAX-68JH4N0
Serial Number:    WD-WX32D809P3SJ
LU WWN Device Id: 5 0014ee 2bddb9e0a
Firmware Version: 82.00A82
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:    Sat Jan  2 18:32:36 2021 UTC
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:      (   0) The previous self-test routine completed
                                        without error or no self-test has ever
                                        been run.
Total time to complete Offline
data collection:                ( 4500) 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:        (  12) minutes.
Conveyance self-test routine
recommended polling time:        (   3) minutes.
SCT capabilities:              (0x3039) 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   100   253   051    Pre-fail  Always       -       0
  3 Spin_Up_Time            0x0027   224   215   021    Pre-fail  Always       -       1800
  4 Start_Stop_Count        0x0032   100   100   000    Old_age   Always       -       61
  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   100   100   000    Old_age   Always       -       16
 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       -       60
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       57
193 Load_Cycle_Count        0x0032   200   200   000    Old_age   Always       -       14
194 Temperature_Celsius     0x0022   115   110   000    Old_age   Always       -       32
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   100   253   000    Old_age   Offline      -       0

SMART Error Log Version: 1
ATA Error Count: 512 (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 512 occurred at disk power-on lifetime: 0 hours (0 days + 0 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 61 00 00 00 00 e0  Device Fault; Error: ABRT at LBA = 0x00000000 = 0

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 00 00 00 00 e0 08      00:19:42.666  READ DMA
  ef 10 02 00 00 00 a0 08      00:19:42.666  SET FEATURES [Enable SATA feature]
  ec 00 00 00 00 00 a0 08      00:19:42.665  IDENTIFY DEVICE
  ef 03 46 00 00 00 a0 08      00:19:42.665  SET FEATURES [Set transfer mode]

Error 511 occurred at disk power-on lifetime: 0 hours (0 days + 0 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 61 00 00 00 00 e0  Device Fault; Error: ABRT at LBA = 0x00000000 = 0

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 00 00 00 00 e0 08      00:19:42.640  READ DMA
  ef 10 02 00 00 00 a0 08      00:19:42.640  SET FEATURES [Enable SATA feature]
  ec 00 00 00 00 00 a0 08      00:19:42.640  IDENTIFY DEVICE
  ef 03 46 00 00 00 a0 08      00:19:42.639  SET FEATURES [Set transfer mode]

Error 510 occurred at disk power-on lifetime: 0 hours (0 days + 0 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 61 00 00 00 00 e0  Device Fault; Error: ABRT at LBA = 0x00000000 = 0

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 00 00 00 00 e0 08      00:19:42.611  READ DMA
  ef 10 02 00 00 00 a0 08      00:19:42.611  SET FEATURES [Enable SATA feature]
  ec 00 00 00 00 00 a0 08      00:19:42.610  IDENTIFY DEVICE
  ef 03 46 00 00 00 a0 08      00:19:42.610  SET FEATURES [Set transfer mode]

Error 509 occurred at disk power-on lifetime: 0 hours (0 days + 0 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 61 00 00 00 00 e0  Device Fault; Error: ABRT at LBA = 0x00000000 = 0

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 00 00 00 00 e0 08      00:19:42.585  READ DMA
  ef 10 02 00 00 00 a0 08      00:19:42.585  SET FEATURES [Enable SATA feature]
  ec 00 00 00 00 00 a0 08      00:19:42.585  IDENTIFY DEVICE
  ef 03 46 00 00 00 a0 08      00:19:42.585  SET FEATURES [Set transfer mode]

Error 508 occurred at disk power-on lifetime: 0 hours (0 days + 0 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 61 00 00 00 00 e0  Device Fault; Error: ABRT at LBA = 0x00000000 = 0

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  c8 00 00 00 00 00 e0 08      00:19:42.558  READ DMA
  ef 10 02 00 00 00 a0 08      00:19:42.558  SET FEATURES [Enable SATA feature]
  ec 00 00 00 00 00 a0 08      00:19:42.558  IDENTIFY DEVICE
  ef 03 46 00 00 00 a0 08      00:19:42.558  SET FEATURES [Set transfer mode]

SMART Self-test log structure revision number 1
No self-tests have been logged.  [To run self-tests, use: smartctl -t]

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.

==============
/# dmesg | tail -50

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[10685.346380] JBD2: Error while async write back metadata bh 475537493.
[10685.346542] JBD2: Error while async write back metadata bh 475537494.
[10685.346703] JBD2: Error while async write back metadata bh 475537495.
[10685.346864] JBD2: Error while async write back metadata bh 475537496.
[10685.347025] JBD2: Error while async write back metadata bh 475537497.
[10685.347186] JBD2: Error while async write back metadata bh 475537499.
[10685.347350] JBD2: Error while async write back metadata bh 475537500.
[10685.360386] sd 1:0:0:0: [sdb] Synchronizing SCSI cache
[10691.364363] ata2: link is slow to respond, please be patient (ready=0)
[10693.284415] ata2: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
[10693.285403] ata2.00: ATA-10: WDC WD40EFAX-68JH4N0, 82.00A82, max UDMA/133
[10693.285408] ata2.00: 7814037168 sectors, multi 16: LBA48 NCQ (depth 32), AA
[10693.286412] ata2.00: configured for UDMA/133
[10693.296525] sd 1:0:0:0: [sdb] Stopping disk
[10693.468809] scsi 1:0:0:0: Direct-Access     ATA      WDC WD40EFAX-68J 0A82 PQ: 0 ANSI: 5
[10693.469309] sd 1:0:0:0: [sdd] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
[10693.469312] sd 1:0:0:0: Attached scsi generic sg1 type 0
[10693.469317] sd 1:0:0:0: [sdd] 4096-byte physical blocks
[10693.469334] sd 1:0:0:0: [sdd] Write Protect is off
[10693.469338] sd 1:0:0:0: [sdd] Mode Sense: 00 3a 00 00
[10693.469364] sd 1:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[10694.620190]  sdd: sdd1
[10694.621002] sd 1:0:0:0: [sdd] Attached SCSI disk
[10760.335788] [UFW BLOCK] IN=enp3s0 OUT= MAC=01:00:5e:00:00:01:f4:ec:38:ca:d2:fa:08:00 SRC=192.168.1.27 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2
[10849.283394] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10849.284331] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10849.806996] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10849.807922] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10850.466696] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10850.467539] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10851.095990] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10851.096217] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016320: comm mc: reading directory lblock 0
[10851.614828] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016307: comm mc: reading directory lblock 0
[10851.615089] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #119016307: comm mc: reading directory lblock 0
[10854.379626] EXT4-fs error: 8 callbacks suppressed
[10854.379632] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10854.380387] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10854.954025] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10854.954278] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.014457] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.014715] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.015063] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.015280] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.015656] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.015981] EXT4-fs error (device sdb1): __ext4_find_entry:1531: inode #118755448: comm mc: reading directory lblock 0
[10856.028434] EXT4-fs warning (device sdb1): htree_dirblock_to_tree:997: inode #112984066: lblock 0: comm mc: error -5 reading directory block
[10858.174283] EXT4-fs warning (device sdb1): htree_dirblock_to_tree:997: inode #112984065: lblock 0: comm mc: error -5 reading directory block
[10861.283069] EXT4-fs warning (device sdb1): htree_dirblock_to_tree:997: inode #2: lblock 0: comm mc: error -5 reading directory block
[10865.899583] EXT4-fs warning (device sdb1): htree_dirblock_to_tree:997: inode #2: lblock 0: comm mc: error -5 reading directory block
[10885.339648] [UFW BLOCK] IN=enp3s0 OUT= MAC=01:00:5e:00:00:01:f4:ec:38:ca:d2:fa:08:00 SRC=192.168.1.27 DST=224.0.0.1 LEN=32 TOS=0x00 PREC=0xC0 TTL=1 ID=0 DF PROTO=2