Subject: Re: towards a NetBSD LiveCD: /etc/rc.d/mountcritmem
To: Alan Barrett <>
From: David Young <>
List: tech-install
Date: 12/04/2005 14:56:01
On Sun, Dec 04, 2005 at 04:59:49PM +0200, Alan Barrett wrote:
> On Fri, 02 Dec 2005, David Young wrote:
> > I use the attached rc script, mountcritmem, to make "Live" CD-ROMs.
> > mountcritmem makes copies select directories from a read-only root to a
> > read-write memory filesystem, and null-mounts the read-write copies at
> > the root.
> Why not use mount_union?  That way, the copying can happen on demand
> instead in advance.

Previously, when I have added a union mount to a system, it has eventually
panicked or deadlocked due to some vnode locking bug.  I lost confidence.


David Young             OJC Technologies      Urbana, IL * (217) 278-3933