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The command may look complicated, but it's not. In this example, I'm giving my 
logical volume the name 
myvol1
 with the 
-n
 option. Since I only want to give it 5 GB 
of space, I use the 
-L
 option and then 
5g
 to represent 5 GB. Finally, I give the name of 
the volume group that this logical volume will be assigned to. You can run 
lvdisplay
 
with 
sudo
 to see information regarding this volume:
Figure 9.12: Output of the lvdisplay command on a sample server
At this point, we should have everything we need as far as setting up LVM is 
concerned. But we still need to format a volume before we can use it, similar to a 
non-LVM disk.