Windows 10: Everything is ok but windows 10 says disk structure is corrupted

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  1. jumanji's Avatar
    Posts : 759
    Windows 7 Ultimate 32bit
       20 Jun 2018 #11

    On further research the checkdisk unspecified error while correcting errors in MFT mirror may be a symptom of a failing HDD

    ChkDsk error - Microsoft Community

    This answer was provided by ZigZag3143 (MS -MVP) who if I remember correctly was a member of Seven Forums and who had constantly encouraged me during my early days in Seven Forums.

    You have done a good job recovering all data in time. Thank your stars.
      My ComputerSystem Spec

  2.    20 Jun 2018 #12

    So as you are saying it is zero chance to repair my HDD as it was!?
      My ComputerSystem Spec

  3. Bree's Avatar
    Posts : 8,847
    10 Home x64 (1809) (10 Pro on 2nd pc)
       20 Jun 2018 #13

    jumanji said: View Post
    ...I am not sure whether your drive was an MBR drive or GPT drive...
    My experience with a 'WD My Passport' is that WD use gpt, even on their 1TB one...

    jumanji said: View Post
    On further research the checkdisk unspecified error while correcting errors in MFT mirror may be a symptom of a failing HDD...
    papmodern said: View Post
    So as you are saying it is zero chance to repair my HDD as it was!?
    The SMART data can give a guide to the health (or otherwise) of this drive. I use the Portable Apps version of CrystalDisk Info for that.
    https://portableapps.com/apps/utilit...kinfo_portable

    Any reallocated sectors are a bad sign, more than a handful a very bad sign. Look at the raw values for these key warning signs...
    Attribute Description
    SMART 5 Reallocated Sectors Count
    SMART 187 Reported Uncorrectable Errors
    SMART 188 Command Timeout
    SMART 197 Current Pending Sector Count
    SMART 198 Uncorrectable Sector Count
    https://www.backblaze.com/blog/what-...rive-failures/

    Only the Current Pending Sector Count is (potentially) 'repairable'. These are sectors where data may have been unreadable but currently can be read. Once the sector is no longer in use for file data it can be tested and reallocated if it's confirmed as bad, or removed from the pending sector list if it turns out to be a false alarm. A full (not quick) format would give the drive an opportunity to determine the fate of the pending sectors.
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  4. Clintlgm's Avatar
    Posts : 835
    Win 10 pro Upgraded from 8.1
       20 Jun 2018 #14

    papmodern said: View Post
    So as you are saying it is zero chance to repair my HDD as it was!?
    Yes, I would never take any chances with data on any hard drive that has any issue what so ever. My data is more valuable than any hard drive especially a spinner. Once issues start with spinners there is no coming back for them, Once they start failing they continue to fail. Any repairs are only good to salvage your Data. You were lucky to have saved your data.
      My ComputersSystem Spec

  5. jumanji's Avatar
    Posts : 759
    Windows 7 Ultimate 32bit
       20 Jun 2018 #15

    papmodern said: View Post
    So as you are saying it is zero chance to repair my HDD as it was!?
    ChkDsk error - Microsoft Community

    If you read this you will know. "If you are consistently seeing file system it may be a symptom of a failing HD. You should check the HD by going to the HD maker and downloading their HD checking tool."

    In that thread the OP had used Crystal Disk Info to check the drive. That is what Bree also has suggested. So do it and see for yourself as per Bree's advice..

    When you reformat it, the MFT and MFT mirror location may change and the drive may become usable but your data will not be safe. When your drive will totally fail is not predictable but fail it will sooner or later...


      My ComputerSystem Spec

  6. jumanji's Avatar
    Posts : 759
    Windows 7 Ultimate 32bit
       20 Jun 2018 #16

    Bree said: View Post
    My experience with a 'WD My Passport' is that WD use gpt, even on their 1TB one...
    May be true of present day external HDDs but there are still old external drives that use MBR initialisation. You never know for sure. It is always better to check and get to know. Not very difficult.

    Click image for larger version. 

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    In the present case the OP had said it is an MBR drive. I am not sure . He had run TestDisk much earlier (before I stepped in) and Test Disk by default would have shown the Partition Type. But I do not know what it showed .
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  7. jumanji's Avatar
    Posts : 759
    Windows 7 Ultimate 32bit
       20 Jun 2018 #17

    Clintlgm said: View Post
    Yes, I would never take any chances with data on any hard drive that has any issue what so ever. My data is more valuable than any hard drive especially a spinner. Once issues start with spinners there is no coming back for them, Once they start failing they continue to fail. Any repairs are only good to salvage your Data. You were lucky to have saved your data.
    Absolutely.
      My ComputerSystem Spec

  8. Bree's Avatar
    Posts : 8,847
    10 Home x64 (1809) (10 Pro on 2nd pc)
       20 Jun 2018 #18

    jumanji said: View Post
    Bree said:
    My experience with a 'WD My Passport' is that WD use gpt, even on their 1TB one...
    May be true of present day external HDDs but there are still old external drives that use MBR initialisation. You never know for sure...
    I have quite a collection of ext. HDDs now WD is the only manufacturer I've found that routinely uses GPT on 1TB drives, all my others (mostly Toshiba) are MBR. I discovered I needed to convert my WD My Passport to MBR because I wanted to add a second Fat32 partition and mark it Active (to make it bootable) you can't do that in GPT.
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  9. jumanji's Avatar
    Posts : 759
    Windows 7 Ultimate 32bit
       20 Jun 2018 #19

    Bree said: View Post
    I ........ WD is the only manufacturer I've found that routinely uses GPT on 1TB drives, ........
    A friendly rebuttal . What would you say if I show you a WD 3TB external drive that was initialised and formatted as an MBR drive? ( I had never bought a WD external drive 1TB or 3TB or any TB)

    Hard Drive seems corrupt. 1 Partition now showing as 3 Partitions? Solved - Windows 10 Forums

    OP:"Short story. Western Digital Elements Drive 3TB use for back up and today wouldn't power."

    Advice by Minitools : "Disk 1 is MBR disk, please convert it to GPT with MiniTool Partition Wizard”

    My advice: "First reconvert your 3TB drive from GPT back to MBR using PW. In theory converting it from MBR to GPT and GPT to MBR should not affect your data. But still I would have preferred that you had not converted it into GPT to maintain the original MBR."

    Data recovery successful.
      My ComputerSystem Spec

  10.    21 Jun 2018 #20

    Thank a lot for your valuable knowledge sharing.

    As I saw in the testdisk my HDD was GPT by default. I wiped that with EaseUs partition master and when I tried to partition it, the software didn't let me to make a bigger partition than 2T and somehow about 700G of disk was unpartitionable!

    Then I opened Disk Management and it says my HDD is MBR. It seems wipe process changed the type from GPT to MBR. I selected "Convert to GPT Disk" and then realized all the 3TB of data ( about 2790GB indeed ) is partitionable. MBR is not meant for more than 2TB :))

    This will not work as a healthy device ever. hum?
      My ComputerSystem Spec


 
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