GPT vs MBR for swap devices

[Trev]

bob prohaska wrote on 20/06/2018 01:43:
> On Tue, Jun 19, 2018 at 03:10:44PM +1000, Trev wrote:
>> bob prohaska wrote on 19/06/2018 14:00:
[...]
>> da0 - 32G Emtec USB memory - houses /home and 2G swap partition
>> da1 - 32G Emtec USB memory - houses /usr
>>
>> /usr/obj is linked to /home/obj

> Are da0 and da1 mechanical disks, or flash?

As above, Emtec USB2 memory keys.

> What's the motive for using /dev/md for /tmp
> and /var ?

/tmp, /var/tmp and /var/log are using /dev/md to save the sdcard from 
excessive writes. /tmp at least is also used during buildworld and 
needed bumping up from whatever the default size was to its current 
100MB so as not to be exhausted during builds.

> How old is your Pi2? Mine is the early version,
> armv7. Later models are armv8. They're identified
> as V1.1 and V1.2, I think.

It's an original rpi2 with an ARM Cortex-A7.