From: "Theo de Raadt" <deraadt@openbsd.org>
Subject: Re: sysupgrade with relink filling disk
To: Renaud Allard <renaud@allard.it>, tech@openbsd.org
Date: Fri, 31 Oct 2025 09:06:08 -0600

> (I think I would support rm'ing kernel relink files there; the relink
> files are extracted relatively late, and removing them before upgrade
> reduces the chance of more important files getting truncated due to
> running out of space during extract).

install.sub can delete the entire relink space.