Boot to ZFS on FreeBSD 7.3

[Dan D Niles]

On Mon, 2010-06-28 at 19:27 -0400, Glen Barber wrote:
> > Any suggestions for getting FreeBSD 7.3 to boot to ZFS?
> >
> 
> Can you try the following at the loader prompt, where you see the 
> FreeBSD boot options?
> 
>     load zfs
>     load opensolaris # should not be necessary, but just to be safe
>     boot

FreeBSD/i386 ZFS enabled bootstrap loader, Revision 1.1
(root at driscoll.cse.buffalo.edu, Sun Mar 21 04:11:17 UTC 2010)
\
can't load 'kernel'

Type '?' for a list of commands, 'help' for more detailed help.
OK load zfs
can't find 'zfs'
OK load opensolaris
can't find 'opensolaris'
OK _

I says that it is a ZFS enabled bootstrap loader, but it does not appear
that the root filesystem is loaded.