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Hard Disk Repair CentOS 8.x/Stream-8 Guide

December 2, 2019 | By the+gnu+linux+evangelist.

Finding Target

  1. 2. Terminal QuickStart

    How to QuickStart with Command Line on CentOS

    Terminal CentOS QuickStart Guide

  2. 3. Looking Up Partitions

    Then to Find the Volume to Fix
    Use the sfdisk Software like:

    sudo sfdisk -l

    Then in output Look for the Linux filesystem, root or LVM Partitions.
    You should Recognize each also watching to the Size:

    terminal output

  3. 4. Releasing Partitions

    Next to possibly Unmount Volumes
    Check if some Partition is Mounted with:

    df -h

    Look into the Output if you are able to Realize the Marks.
    Then if needed Unmount All the Linux Filesystem Partitions with:

    sudo umount /dev/[my-vol]

    Where [my-vol] the Device identifier.
    So for example to Unmount one do:

    sudo umount /dev/sda1

  4. 5. Fixing Disk

    Then to Fix Hard Drive Volume
    Automatically Fixing a Partition with:

    sudo /sbin/e2fsck -fy /dev/[my-vol]

    So for instance:

    sudo /sbin/e2fsck -fy /dev/sda1

    Then if Errors are found Repeat again the process until the Disk is Fixed with No more Issue detected.
    If the Disk is Not Corrupted then the Process will Easily Restore the Volume.

    Finally, Reboot CentOS 8
    From Shell with:

    sudo reboot

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