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Date: Mon, 18 Mar 2013 12:43:04 +0000
From: Ruben de Groot <mail25@bzerk.org>
To: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Subject: Re: Can an ISO file be mounted from /etc/fstab at boot?
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Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>,
 Oscar Hodgson <oscar.hodgson@gmail.com>
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On Fri, Mar 15, 2013 at 04:04:23PM -0400, Lowell Gilbert typed:
> Oscar Hodgson <oscar.hodgson@gmail.com> writes:
> 
> > I'm pretty sure the answer is "no, just write a local rc script to do
> > that", but thought I'd check.
> >
> > Can't see any hint of that capability in the handbook or fstab(5).
> >
> > Really just looking for a single point of management for file systems ....
> 
> I don't see a way offhand. You need to do the mdconfig before you can
> mount, and I don't think that can be done inside of fstab. 
> 
> I think that adding such a capability to mount(8) as a program option
> would be a fairly minor hack.

If it was a standard (UFS) filesystem image (not ISO9600) it would be possible to mount from fstab with something like this:

/dev/md0 /data/mfs mfs rw,-PF/path/to/some.img,async 0 0

Ruben