Allocate additional disk space to vps

+ Run fdisk -l to check disk partitions

+ Create new partition for additional disk: fdisk /dev/sdnew

+ Check physical volume, volume group, logical volume: pvs, vgs, lvs

+ Create new physical volume pvcreate /dev/sdnew1

+ Check new physical volume: pvs

+ Add new physical volume to Volume group: vgextend VolGroup /dev/sdnew1

+ Check volume group to find free pe: vgdisplay

+ Check logical volume: lvdisplay

+ Add free PE from new partition to Volume Group > Logical Volume

lvextend -l +19856 /dev/VOlGroup/lv_root

+ Resize file system of logical group: resize2fs /dev/VolGroup/lv_root

Done