From owner-freebsd-questions@FreeBSD.ORG Fri Jul 22 14:15:31 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DB5151065670 for ; Fri, 22 Jul 2011 14:15:31 +0000 (UTC) (envelope-from freebsd@qeng-ho.org) Received: from fileserver.home.qeng-ho.org (blue.qeng-ho.org [217.155.128.241]) by mx1.freebsd.org (Postfix) with ESMTP id 4CCF18FC12 for ; Fri, 22 Jul 2011 14:15:30 +0000 (UTC) Received: from fileserver.home.qeng-ho.org (localhost [127.0.0.1]) by fileserver.home.qeng-ho.org (8.14.4/8.14.4) with ESMTP id p6MEFTEQ003425 for ; Fri, 22 Jul 2011 15:15:29 +0100 (BST) (envelope-from freebsd@qeng-ho.org) Message-ID: <4E298601.9060608@qeng-ho.org> Date: Fri, 22 Jul 2011 15:15:29 +0100 From: Arthur Chance User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.17) Gecko/20110430 Thunderbird/3.1.10 MIME-Version: 1.0 To: FreeBSD-Questions Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Unionfs - is it actually usable? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Jul 2011 14:15:31 -0000 Ever since RELEASE-5.0 man mount_unionfs has contained a section saying BUGS THIS FILE SYSTEM TYPE IS NOT YET FULLY SUPPORTED (READ: IT DOESN'T WORK) AND USING IT MAY, IN FACT, DESTROY DATA ON YOUR SYSTEM. USE AT YOUR OWN RISK. BEWARE OF DOG. SLIPPERY WHEN WET. On the other hand, I've occasionally seen posts here from people who use it. So, is unionfs usable, and if so, under what circumstances does/doesn't it work?