GPT vs MBR for swap devices

[bob prohaska]

On Fri, Jun 22, 2018 at 12:08:56PM +1000, Trev wrote:
> 
> 
> Unfortunately my rpi3B+ is not a direct comparison with the rpi2B 
> because I only had the one USB2 memory device holding /usr, /usr/obj and 
> swap. I'll try moving swap to a dedicated USB2 memory device.

Have you considered putting a swapfile on the microSD card? That's one
of the things I have not tried. A swap partition on SD seems to work. 
A swapfile is easier to try and may work. 

hth,

bob prohaska