Sometimes you need to extend the existing volume group to be able to add free space to the logical volumes in there.

Look at this situation:

[root@localhost ~]# vgs data
 VG #PV #LV #SN Attr VSize VFree
 data 1 1 0 wz--n- 39.99g 0

Continue reading →

To extend a logical volume (LV) named ´logs` to the whole space of the volume group (VG) named ´data` execute the following command:

# lvextend -l 100%VG /dev/data/logs