disk unmouted

  • Hello guys,


    I have strange issue, i have critical data on a disk, and now i cannot access to the disk.
    i have changed nothing everything worked fine but since yesterday i cannot access to the disk.


    How i can resolv the issue ? in the server i can see the disk with fdisk -l command


    Disk /dev/sdc: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes


    root@debian:/media# mount -t ext4 /dev/sdc /media/disk
    mount: wrong fs type, bad option, bad superblock on /dev/s dc,
    missing codepage or helper program, or other error


    In some cases useful info is found in syslog - try
    dmesg | tail or so.
    root@debian:/media# mount -t ext4 /dev/sdc /dev/disk/by-
    by-id/ by-label/ by-partuuid/ by-uuid/
    root@debian:/media# mount -t ext4 /dev/sdc /dev/disk/by-
    by-id/ by-label/ by-partuuid/ by-uuid/
    root@debian:/media# mount -t ext4 /dev/sdc /dev/disk/by-by-label/Disk1
    mount: mount point /dev/disk/by-by-label/Disk1 does not exist
    root@debian:/media#




    please check screenshot :


    https://preview.ibb.co/hjMcXS/Screenshot_1.jpg


    Thanks for Help

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