LVM

tips

# display PV brief
pvs
# display PV detail
pvdisplay

# display VG brief
vgs
# create VG
vgcreate vg_local /dev/sda

# display LV brief
lvs
# create LV
lvcreate --thin -L 80G -n lv_ssd vg_local
lvcreate --thin -l +100%FREE -n lv_ssd vg_local
# remove LV
lvremove vg-name/lv-name
# reduce LV
lvreduce -L-1G vg-name/lv-name
lvreduce -L-1G /dev/debian/root