gpt labels

I see this message when booting up the server, right before the "boot:" prompt. The system boots successfully, and operates like normal, but this worries me that if something happens maybe it will bite me in the behind. Any idea what does it mean and how to correct it? For the first time, I...

How to create a zfs drive with gpt labels and send and recv datasets Note: There is a tutorial on the Freebsd forum about adding gpt labels which inspired this video, but i cant find the link otherwise i add it here to give credit to the original post