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Date:      Thu, 20 Mar 2014 19:31:05 -0700
From:      <dteske@FreeBSD.org>
To:        "'Rainer Duffner'" <rainer@ultra-secure.de>, <freebsd-fs@freebsd.org>
Cc:        'Devin Teske' <dteske@freebsd.org>
Subject:   RE: Is it possible to access a jailed zfs filesystem outside the jail?
Message-ID:  <037001cf44ad$9d45ebf0$d7d1c3d0$@FreeBSD.org>
In-Reply-To: <20140316210709.51cb84af@linux-wb36.example.org>
References:  <20140316210709.51cb84af@linux-wb36.example.org>

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> -----Original Message-----
> From: Rainer Duffner [mailto:rainer@ultra-secure.de]
> Sent: Sunday, March 16, 2014 1:07 PM
> To: freebsd-fs@freebsd.org
> Subject: Is it possible to access a jailed zfs filesystem outside the
jail?
> 
> Hi,
> 
> to make backup simpler, I'd like to be able to mount the filesystems I
> dedicated to jails on the host as well (beats the purpose a bit, I know).
> I only need read-only access (for backup).
> 
> Is that possible?

mount_nullfs -o ro /dirA /dirB

Allows read-only access to /dirA through /dirB
-- 
Devin

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