I have Ubuntu 16.04 (no desktop manager installed) running in vmware. I am out of space and am trying to extend the existing partition using LVM. I have added additional space in vmware but am having trouble adding it to ubuntu.<br><br>
[This is the guide I am following.](http://www.geoffstratton.com/expand-hard-disk-ubuntu-lvm)<br><br>
I am stuck on the part where I need to add a physical volume. This is the command, and output im getting:

> root@ubuntu:~# pvcreate /dev/sda3 <br>
> Device /dev/sda3 not found (or ignored by filtering). 

I can see my partitions, but can't understand why its not finding it. Here's the output of my partitions:
> root@ubuntu:~# fdisk -l /dev/sda <br>
> Disk /dev/sda: 75 GiB, 80530636800 bytes, 157286400 sectors <br>
> Units: sectors of 1 * 512 = 512 bytes <br>
> Sector size (logical/physical): 512 bytes / 512 bytes <br>
> I/O size (minimum/optimal): 512 bytes / 512 bytes <br>
> Disklabel type: dos <br>
> Disk identifier: 0x277beceb <br><br>
> Device Boot Start End Sectors Size Id Type<br>
> /dev/sda1 * 2048 999423 997376 487M 83 Linux <br>
> /dev/sda2 1001470 20969471 19968002 9.5G 5 Extended <br>
> /dev/sda3 20969472 157286399
> 136316928 65G 83 Linux <br>
> /dev/sda5 1001472 20969471 19968000 9.5G 8e Linux LVM

I am relatively new to linux so bear with me but if im understanding this, my current 10G drive is /sda5 and /sda3 is the new partition with 65 gb im trying to add to it.

This is what the filter in my lvn.conf looks like - if its commented out,  this isn't the issue, right?

> 	# global_filter = [ "a|.*/|" ]