Resize the Default LVM Volume on Ubuntu
Check for free space
run the command vgdisplay and check for free space
$ sudo vgdisplay
output:
--- Volume group ---
VG Name ubuntu-vg
System ID
Format lvm2
...
VG Size <928.46 GiB
PE Size 4.00 MiB
Total PE 237685
Alloc PE / Size 68017 / 265.69 GiB
Free PE / Size 169668 / <662.77 GiB
VG UUID QlCEZf-4llb-9ntT-2xhQ-7EKA-NX53-efynCX
Check the Logical Volume size
$ sudo lvdisplay
output:
--- Logical volume ---
LV Path /dev/ubuntu-vg/ubuntu-lv
LV Name ubuntu-lv
VG Name ubuntu-vg
LV UUID xP6AsV-2A5E-npbO-LV5v-1DoJ-mZZ7-gIgYCO
LV Write Access read/write
LV Creation host, time ubuntu-server, 2023-07-05 07:44:40 +0000
LV Status available
# open 1
LV Size 265.69 GiB
Current LE 68017
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
Creating a Logical Volume From All Remaining Free Space
create the lxd-lv logical volume on the ubuntu-vg volume group
$ sudo lvcreate -l 100%FREE -n lxd-lv ubuntu-vg
Logical volume "lxd-lv" created.
display volume group:
$ sudo vgdisplay
--- Volume group ---
VG Name ubuntu-vg
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size <928.46 GiB
PE Size 4.00 MiB
Total PE 237685
Alloc PE / Size 237685 / <928.46 GiB
Free PE / Size 0 / 0
VG UUID QlCEZf-4llb-9ntT-2xhQ-7EKA-NX53-efynCX
Free PE / Size 0 / 0
display logical volume
$ sudo lvdisplay
--- Logical volume ---
LV Path /dev/ubuntu-vg/ubuntu-lv
LV Name ubuntu-lv
VG Name ubuntu-vg
LV UUID xP6AsV-2A5E-npbO-LV5v-1DoJ-mZZ7-gIgYCO
LV Write Access read/write
LV Creation host, time ubuntu-server, 2023-07-05 07:44:40 +0000
LV Status available
# open 1
LV Size 265.69 GiB
Current LE 68017
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:0
--- Logical volume ---
LV Path /dev/ubuntu-vg/lxd-lv
LV Name lxd-lv
VG Name ubuntu-vg
LV UUID IYRNHl-JZ73-Mwp4-kU6F-Nn2x-ortt-gEUese
LV Write Access read/write
LV Creation host, time server03, 2023-07-12 07:08:58 +0000
LV Status available
# open 0
LV Size <662.77 GiB
Current LE 169668
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:1
Remove logical volume
$ sudo lvremove /dev/ubuntu-vg/lxd-lv
Do you really want to remove and DISCARD active logical volume ubuntu-vg/lxd-lv? [y/n]: y
Logical volume "lxd-lv" successfully removed
Creating Filesystems
After creating the logical volumes, now the final step is to create a filesystem on top of the logical volume.