gdisk não consegue salvar a tabela de partições de backup

0

por algum motivo depois de atualizar o meu archlinux, o gerenciador de inicialização foi quebrado e não conseguiu carregar o sistema operacional novamente

Error loading \vmlinuz-linux: Device Error 
Failed to execute Arch Linux (\vmlinuz-linux): Device Error
Failed to execute EFI Default Loader (\EFI\Boot\bootx64.efi): Device Error

Eu pensei que reinstalar o bootloader vai fazer o truque, então eu tentei chroot e reinstalar o bootloader de uma unidade USB live linux depois de montar o "/" e "/ boot" Eu estupidamente virou do sistema sem desmontar a unidade e decidiu para fazer isso depois.

poucas horas depois, liguei meu laptop, mas até o bootloader acabou!

~$ sudo gdisk /dev/sda
GPT fdisk (gdisk) version 1.0.1

Partition table scan:
  MBR: MBR only
  BSD: not present
  APM: not present
  GPT: not present


***************************************************************
Found invalid GPT and valid MBR; converting MBR to GPT format
in memory. THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by
typing 'q' if you don't want to convert your MBR partitions
to GPT format!
***************************************************************


Command (? for help): p
Disk /dev/sda: 976773168 sectors, 465.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 19053A85-EAC7-4958-889B-C1C78B8655FA
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 976773134
Partitions will be aligned on 2048-sector boundaries
Total free space is 976773101 sectors (465.8 GiB)

Number  Start (sector)    End (sector)  Size       Code  Name

Command (? for help): r

Recovery/transformation command (? for help): v

No problems found. 976773101 free sectors (465.8 GiB) available in 1
segments, the largest of which is 976773101 (465.8 GiB) in size.

Recovery/transformation command (? for help): e
Warning! This will probably do weird things if you've converted an MBR to
GPT form and haven't yet saved the GPT! Proceed? (Y/N): Y
Caution! After loading partitions, the CRC doesn't check out!

Recovery/transformation command (? for help): p
Disk /dev/sda: 976773168 sectors, 465.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 19053A85-EAC7-4958-889B-C1C78B8655FA
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 976773134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2014 sectors (1007.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048        62916607   30.0 GiB    8300  Root
   2        62916608       104859647   20.0 GiB    8300  Var
   3       104859648       950011903   403.0 GiB   8300  Home
   4       950011904       975177727   12.0 GiB    8200  SWAP
   5       975177728       976773134   779.0 MiB   EF00  UEFI

Recovery/transformation command (? for help): v

Problem: The CRC for the main partition table is invalid. This table may be
corrupt. Consider loading the backup partition table ('c' on the recovery &
transformation menu). This report may be a false alarm if you've already
corrected other problems.

Caution: The CRC for the backup partition table is invalid. This table may
be corrupt. This program will automatically create a new backup partition
table when you save your partitions.

Identified 2 problems!

Recovery/transformation command (? for help): c
Warning! This will probably do weird things if you've converted an MBR to
GPT form and haven't yet saved the GPT! Proceed? (Y/N): Y
Warning! Read error 5! Misbehavior now likely!
Caution! After loading partitions, the CRC doesn't check out!

Recovery/transformation command (? for help): p
Disk /dev/sda: 976773168 sectors, 465.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 19053A85-EAC7-4958-889B-C1C78B8655FA
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 976773134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2014 sectors (1007.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048        62916607   30.0 GiB    8300  Root
   2        62916608       104859647   20.0 GiB    8300  Var
   3       104859648       950011903   403.0 GiB   8300  Home
   4       950011904       975177727   12.0 GiB    8200  SWAP
   5       975177728       976773134   779.0 MiB   EF00  UEFI

Recovery/transformation command (? for help): v

Problem: The CRC for the main partition table is invalid. This table may be
corrupt. Consider loading the backup partition table ('c' on the recovery &
transformation menu). This report may be a false alarm if you've already
corrected other problems.

Caution: The CRC for the backup partition table is invalid. This table may
be corrupt. This program will automatically create a new backup partition
table when you save your partitions.

Identified 2 problems!

Recovery/transformation command (? for help): w

Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!

Do you want to proceed? (Y/N): Y
OK; writing new GUID partition table (GPT) to /dev/sda.
Unable to save backup partition table! Perhaps the 'e' option on the experts'
menu will resolve this problem.
Warning! An error was reported when writing the partition table! This error
MIGHT be harmless, or the disk might be damaged! Checking it is advisable.

Recovery/transformation command (? for help): 

resultado do badblocks

ubuntu@ubuntu:-$ sudo badblocks -v /dev/sda
Checking blocks 0 to 488386583 
checking for bad blocks (read-only test): 
488386564 
488386565 
488386566 
488386567 
done Pass completed, 4 bad blocks found. (4/0/0 errors) 

e este é o resultado do teste S.M.A.R.T

smartctl 6.6 2016-05-31 r4324 [x86_64-linux-4.13.0-16-generic] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Family:     Western Digital Blue Mobile
Device Model:     WDC WD5000LPVX-08V0TT2
Serial Number:    WD-WX11A8358018
LU WWN Device Id: 5 0014ee 6591997bb
Firmware Version: 03.01A03
User Capacity:    500,107,862,016 bytes [500 GB]
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:    Sun Dec 17 07:54:09 2017 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:      ( 113) The previous self-test completed having
                    the read element of the test failed.
Total time to complete Offline 
data collection:        ( 8640) 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:    ( 100) 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          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x002f   200   200   051    Pre-fail  Always       -       272
  3 Spin_Up_Time            0x0027   155   149   021    Pre-fail  Always       -       1216
  4 Start_Stop_Count        0x0032   040   040   000    Old_age   Always       -       60389
  5 Reallocated_Sector_Ct   0x0033   200   200   140    Pre-fail  Always       -       0
  7 Seek_Error_Rate         0x002f   199   196   051    Pre-fail  Always       -       35
  9 Power_On_Hours          0x0032   078   078   000    Old_age   Always       -       16469
 10 Spin_Retry_Count        0x0032   100   100   000    Old_age   Always       -       0
 11 Calibration_Retry_Count 0x0032   100   100   000    Old_age   Always       -       0
 12 Power_Cycle_Count       0x0032   097   097   000    Old_age   Always       -       3701
192 Power-Off_Retract_Count 0x0032   200   200   000    Old_age   Always       -       0
193 Load_Cycle_Count        0x0032   065   065   000    Old_age   Always       -       406879
194 Temperature_Celsius     0x0022   099   085   000    Old_age   Always       -       44
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      -       0
240 Head_Flying_Hours       0x0032   080   080   000    Old_age   Always       -       15286

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  Extended offline    Completed: read failure       10%     16468         976773128
# 2  Extended offline    Aborted by host               90%     16466         -
# 3  Short offline       Completed: read failure       60%     16465         976773128
# 4  Short offline       Completed: read failure       60%     16465         976773128
# 5  Short offline       Completed: read failure       60%     16465         976773128
# 6  Conveyance offline  Completed without error       00%     16465         -
# 7  Extended offline    Completed: read failure       10%     16460         976773128
# 8  Short offline       Completed: read failure       60%     16459         976773128
# 9  Conveyance offline  Aborted by host               90%     16459         -
#10  Vendor (0x50)       Completed without error       00%       427         -
#11  Short offline       Completed without error       00%       427         -
#12  Vendor (0x50)       Completed without error       00%         0         -

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.
    
por ponghing 17.12.2017 / 16:04

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