How to resize a disk with LVM in Linux

    1. Log in to the device console as root.
    2. Check the devices of the virtual machine. 
      lsblk
    3. Extend the partition 
      cfdisk
    4. Resize the Physical Volume 
      pvresize /dev/sda3
    5. Resize the Logical Volume
      For Debian: 
      lvextend -l +100%FREE /dev/mapper/hostname--vg-root
      For AlmaLinux: 
      lvextend -l +100%FREE /dev/mapper/almalinux-root
      For Ubuntu: 
      lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
    6. Verify the type of filesystem 
      df -T
    7. Resize the filesystem
      For EXT4: 
      resize2fs /dev/ubuntu-vg/ubuntu-lv
      For XFS: 
      xfs_growfs /dev/mapper/almalinux-root
    Published