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Исправление rustamych, (текущая версия) :

Провел тест диска. Ниже, что получилось. (Не получается сделать спойлер)

sudo smartctl --scan
/dev/sda -d scsi # /dev/sda, SCSI device  
/dev/sdb -d scsi # /dev/sdb, SCSI device  
/dev/sdc -d sat # /dev/sdc [SAT], ATA device  

sudo smartctl -i /dev/sdc

smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-53-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Seagate Momentus 7200.4
Device Model:     ST9500420AS
Serial Number:    5VJABC93
LU WWN Device Id: 5 000c50 02f50949d
Firmware Version: 0002SDM1
User Capacity:    500 107 862 016 bytes [500 GB]
Sector Size:      512 bytes logical/physical
Rotation Rate:    7200 rpm
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ATA8-ACS T13/1699-D revision 4
SATA Version is:  SATA 2.6, 3.0 Gb/s
Local Time is:    Mon Oct  7 16:59:17 2019 -03
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

Судя по Raw_Read_Error_Rate 85755448, диск совсем дохлый?

sudo smartctl -A /dev/sdc
smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-53-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF READ SMART DATA SECTION ===
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   077   077   006    Pre-fail  Always       -       85755448
  3 Spin_Up_Time            0x0003   095   095   085    Pre-fail  Always       -       0
  4 Start_Stop_Count        0x0032   092   092   020    Old_age   Always       -       8734
  5 Reallocated_Sector_Ct   0x0033   015   015   036    Pre-fail  Always   FAILING_NOW 1758
  7 Seek_Error_Rate         0x000f   062   054   030    Pre-fail  Always       -       562842413517
  9 Power_On_Hours          0x0032   076   076   000    Old_age   Always       -       21042
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   094   094   020    Old_age   Always       -       6500
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   001   001   000    Old_age   Always       -       6960
188 Command_Timeout         0x0032   100   095   000    Old_age   Always       -       12885098908
189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always       -       0
190 Airflow_Temperature_Cel 0x0022   074   044   045    Old_age   Always   In_the_past 26 (0 5 26 24 0)
191 G-Sense_Error_Rate      0x0032   100   100   000    Old_age   Always       -       596
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       75
193 Load_Cycle_Count        0x0032   084   084   000    Old_age   Always       -       33609
194 Temperature_Celsius     0x0022   026   056   000    Old_age   Always       -       26 (255 254 0 0 0)
195 Hardware_ECC_Recovered  0x001a   046   042   000    Old_age   Always       -       85755448
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       289
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       289
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline      -       21266 (142 16 0)
241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline      -       3182667253
242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline      -       3489441938
254 Free_Fall_Sensor        0x0032   100   100   000    Old_age   Always       -       0

Попытка лечения

sudo smartctl -H /dev/sdc
smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-53-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: FAILED!
Drive failure expected in less than 24 hours. SAVE ALL DATA.
Failed Attributes:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   015   015   036    Pre-fail  Always   FAILING_NOW 1758

Исходная версия rustamych, :

Провел тест диска. Ниже, что получилось.

sudo smartctl --scan /dev/sda -d scsi # /dev/sda, SCSI device /dev/sdb -d scsi # /dev/sdb, SCSI device /dev/sdc -d sat # /dev/sdc [SAT], ATA device

sudo smartctl -i /dev/sdc smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-53-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, http://www.smartmontools.org

=== START OF INFORMATION SECTION === Model Family: Seagate Momentus 7200.4 Device Model: ST9500420AS Serial Number: 5VJABC93 LU WWN Device Id: 5 000c50 02f50949d Firmware Version: 0002SDM1 User Capacity: 500 107 862 016 bytes [500 GB] Sector Size: 512 bytes logical/physical Rotation Rate: 7200 rpm Device is: In smartctl database [for details use: -P show] ATA Version is: ATA8-ACS T13/1699-D revision 4 SATA Version is: SATA 2.6, 3.0 Gb/s Local Time is: Mon Oct 7 16:59:17 2019 -03 SMART support is: Available - device has SMART capability. SMART support is: Enabled

Судя по Raw_Read_Error_Rate 85755448, диск совсем дохлый?

sudo smartctl -A /dev/sdc smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-53-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, http://www.smartmontools.org

=== START OF READ SMART DATA SECTION === 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 077 077 006 Pre-fail Always - 85755448 3 Spin_Up_Time 0x0003 095 095 085 Pre-fail Always - 0 4 Start_Stop_Count 0x0032 092 092 020 Old_age Always - 8734 5 Reallocated_Sector_Ct 0x0033 015 015 036 Pre-fail Always FAILING_NOW 1758 7 Seek_Error_Rate 0x000f 062 054 030 Pre-fail Always - 562842413517 9 Power_On_Hours 0x0032 076 076 000 Old_age Always - 21042 10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0 12 Power_Cycle_Count 0x0032 094 094 020 Old_age Always - 6500 184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0 187 Reported_Uncorrect 0x0032 001 001 000 Old_age Always - 6960 188 Command_Timeout 0x0032 100 095 000 Old_age Always - 12885098908 189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0 190 Airflow_Temperature_Cel 0x0022 074 044 045 Old_age Always In_the_past 26 (0 5 26 24 0) 191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 596 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 75 193 Load_Cycle_Count 0x0032 084 084 000 Old_age Always - 33609 194 Temperature_Celsius 0x0022 026 056 000 Old_age Always - 26 (255 254 0 0 0) 195 Hardware_ECC_Recovered 0x001a 046 042 000 Old_age Always - 85755448 197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 289 198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 289 199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 0 240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 21266 (142 16 0) 241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 3182667253 242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 3489441938 254 Free_Fall_Sensor 0x0032 100 100 000 Old_age Always - 0

sudo smartctl -H /dev/sdc smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-53-generic] (local build) Copyright (C) 2002-16, Bruce Allen, Christian Franke, http://www.smartmontools.org

=== START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: FAILED! Drive failure expected in less than 24 hours. SAVE ALL DATA. Failed Attributes: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 5 Reallocated_Sector_Ct 0x0033 015 015 036 Pre-fail Always FAILING_NOW 1758