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LVM logical volumes

cheat sheet · Ubuntu 24.04 · LVM2 https://lab.dimsanych.ru/en/wiki/lvm/

Cheat sheet

lsblk block device tree
pvs physical volumes
vgs volume groups
lvs logical volumes
sudo lvextend -r -l +100%FREE /dev/vg/lv extend the LV+fs onto all free space
sudo vgextend vg /dev/sdc add a disk to the group
sudo lvcreate -L 2G -s -n snap /dev/vg/lv a snapshot
sudo lvconvert --merge /dev/vg/snap roll back to the snapshot