I've solved a similarly sounding issue by using the UUID. Get it with blkid, then use UUID="<uuid goes here>" in fstab instead of LABEL="<label>". But this was

I've solved a similarly sounding issue by using the UUID. Get it with blkid, then use UUID="<uuid goes here>" in fstab instead of LABEL="<label>". But this was a long time ago, on a much older systemd (like Fedora 17 or 18).