Hard Disk Repair Fedora 30 Gnu/Linux Easy Guide

Finding Targed

3. 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:

   

4. 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