lvm相关命令

pv 

pvcreate, pvremove, pvscan, pvdisplay, pvmove 

vg

vgcreate, vgremove, vgextend, vgreduce, vgs, vgdisplay, vgscan 

lv 

lvcreate, lvremove, lvextend, lvreduce, lvs, lvdisplay，lvresize,lvscan