root@lab-182:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 79.9M 1 loop /snap/lxd/22923 loop1 7:1 0 61.9M 1 loop /snap/core20/1405 loop2 7:2 0 44.7M 1 loop /snap/snapd/15534 sda 8:0 0 30G 0 disk ├─sda1 8:1 0 1M 0 part ├─sda2 8:2 0 1.8G 0 part /boot └─sda3 8:3 0 14.2G 0 part └─ubuntu--vg-ubuntu--lv 253:0 0 14.2G 0 lvm / we extend ubuntu--vg-ubuntu--lv from 14GB to 30GB parted /dev/sda (parted) resizepart 3 (parted) -0 (parted) print Number Start End Size File system Name Flags 1 1049kB 2097kB 1049kB bios_grub 2 2097kB 1881MB 1879MB ext4 3 1881MB 32.2GB 30.3GB (parted) quit root@lab-182:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS loop0 7:0 0 79.9M 1 loop /snap/lxd/22923 loop1 7:1 0 61.9M 1 loop /snap/core20/1405 loop2 7:2 0 44.7M 1 loop /snap/snapd/15534 sda 8:0 0 30G 0 disk ├─sda1 8:1 0 1M 0 part ├─sda2 8:2 0 1.8G 0 part /boot └─sda3 8:3 0 28.2G 0 part └─ubuntu--vg-ubuntu--lv 253:0 0 14.2G 0 lvm / root@lab-182:~# pvdisplay --- Physical volume --- PV Name /dev/sda3 VG Name ubuntu-vg PV Size <14.25 GiB / not usable 0 Allocatable yes (but full) ... pvresize /dev/sda3 Physical volume "/dev/sda3" changed 1 physical volume(s) resized or updated / 0 physical volume(s) not resized root@lab-swift-storage-182:~# pvdisplay --- Physical volume --- PV Name /dev/sda3 VG Name ubuntu-vg PV Size <28.25 GiB / not usable 16.50 KiB Allocatable yes ... root@lab-182:~# lvdisplay --- Logical volume --- LV Path /dev/ubuntu-vg/ubuntu-lv LV Name ubuntu-lv VG Name ubuntu-vg LV UUID dWIdjn-daqk-fgN0-4lWH-YjlG-fYkm-N21HgN LV Write Access read/write LV Creation host, time ubuntu-server, 2023-12-20 02:41:40 +0000 LV Status available # open 1 LV Size <14.25 GiB ... root@lab-182:~# lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv Size of logical volume ubuntu-vg/ubuntu-lv changed from <14.25 GiB (3647 extents) to <28.25 GiB (7231 extents). Logical volume ubuntu-vg/ubuntu-lv successfully resized. root@lab-182:~# df -h Filesystem Size Used Avail Use% Mounted on tmpfs 393M 1.2M 392M 1% /run /dev/mapper/ubuntu--vg-ubuntu--lv 14G 9.3G 4.0G 71% / root@lab-182:~# resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv resize2fs 1.46.5 (30-Dec-2021) Filesystem at /dev/mapper/ubuntu--vg-ubuntu--lv is mounted on /; on-line resizing required old_desc_blocks = 2, new_desc_blocks = 4 The filesystem on /dev/mapper/ubuntu--vg-ubuntu--lv is now 7404544 (4k) blocks long. root@lab-182:~# df -h Filesystem Size Used Avail Use% Mounted on tmpfs 393M 1.2M 392M 1% /run /dev/mapper/ubuntu--vg-ubuntu--lv 28G 9.4G 18G 36% / --end--