jokes aside, that’s not a dumb question at all. It’s just that GitLab admins do not lurk in the forum.
Reading Moving all your data, 9TB edition you can see among others that
We do file-based backups every week where we take a block device snapshot, mount the snapshot and send it across with Rsync.
Also read Sytse’s answer Moving all your data, 9TB edition
Maybe @jacobvosmaer cah shed more light.