LVM (Logical Volume Manager)
Com o LVM podemos aumentar o tamanho de uma partição sem a necessidade de formatá-la.
Comandos:
e2fsadm, lvchange, lvcreate, lvdisplay,
lvextend, lvmchange, lvmdiskscan,
lvmcreate_initrd, lvmsadc, lvmsar,
lvreduce, lvremove, lvrename,
lvscan, pvchange, pvcreate, pvdata,
pvdisplay, pvmove, pvscan, vgcfgbackup,
vgcfgrestore, vgchange, vgck, vgcreate,
vgdisplay, vgexport, vgextend, vgimport,
vgmerge, vgmknodes, vgreduce, vgremove,
vgrename, vgscan, vgsplit
fonte: http://linux.about.com/od/commands/l/blcmdl8_lvm.htm