# Resize the file system in UI, under VM -> Hardware -> Click on the disk to resize, click "Resize disk" button # Confirm increase in disk space (1TB in my case)
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 1T 0 disk ├─sda1 8:1 0 1M 0 part ├─sda2 8:2 0 1G 0 part /boot └─sda3 8:3 0 1T 0 part └─ubuntu--vg-ubuntu--lv 253:0 0 31G 0 lvm /
$ sudo parted GNU Parted 3.3 Using /dev/sda Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) resizepart 3 100% (parted) quit Information: You may need to update /etc/fstab.
$ sudo lvextend -r -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv Size of logical volume ubuntu-vg/ubuntu-lv changed from <31.00 GiB (7935 extents) to 1.03 TiB (270079 extents). Logical volume ubuntu-vg/ubuntu-lv successfully resized. resize2fs 1.45.5 (07-Jan-2020) Filesystem at /dev/mapper/ubuntu--vg-ubuntu--lv is mounted on /; on-line resizing required old_desc_blocks = 4, new_desc_blocks = 132 The filesystem on /dev/mapper/ubuntu--vg-ubuntu--lv is now 276560896 (4k) blocks long.
$ sudo pvresize /dev/sda3 Physical volume "/dev/sda3" changed 1 physical volume(s) resized or updated / 0 physical volume(s) not resized
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 1T 0 disk ├─sda1 8:1 0 1M 0 part ├─sda2 8:2 0 1G 0 part /boot └─sda3 8:3 0 1T 0 part └─ubuntu--vg-ubuntu--lv 253:0 0 1T 0 lvm /