[CentOS] "No free sectors available" while try to extend logical volumen in a virtual machine running CentOS 6.5

Mon Oct 27 22:28:33 UTC 2014
reynierpm at gmail.com <reynierpm at gmail.com>

On Mon, Oct 27, 2014 at 3:54 PM, Zhang, Jonathan <zhangj at evergreen.edu>
wrote:

> Rebooting your system, then run fdisk  /dev/sda
>
> Then run
> P
> N
> P
> 3
>

Can't pass from here, it says:

Partition number (1-4): 3
No free sectors available

Why?