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This post is aimed at simplifying the process of installing Arch on Logical Volume Manager (LVM). The info in this post came mostly from this excellent Wiki article, with a couple of additions later on of my own.

Why LVM? You can create a snapshot (see my blog post for these) then install some...

sudo grub-mkconfig -o /boot/grub/grub.cfg

Install grub to the wrong drive by mistake during install? Easily fix this by first finding your boot drive.

sudo fdisk -l

Mine was /dev/sdc, so:

sudo grub-install /dev/sdc 
sudo update-grub

And you’re done. Easy wasn’t it!?