Extend lvm root partition in VM

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--