From owner-freebsd-stable@FreeBSD.ORG Fri May 6 06:18:55 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0746F16A4CE for ; Fri, 6 May 2005 06:18:55 +0000 (GMT) Received: from cs1.cs.huji.ac.il (cs1.cs.huji.ac.il [132.65.16.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9268743D8A for ; Fri, 6 May 2005 06:18:54 +0000 (GMT) (envelope-from danny@cs.huji.ac.il) Received: from pampa.cs.huji.ac.il ([132.65.80.32]) by cs1.cs.huji.ac.il with esmtp id 1DTwAl-000PKy-Ht; Fri, 06 May 2005 09:18:51 +0300 X-Mailer: exmh version 2.7.0 06/18/2004 with nmh-1.0.4 To: hartzell@alerce.com In-Reply-To: Message from George Hartzell <17018.24934.201800.345415@satchel.alerce.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Date: Fri, 06 May 2005 09:18:51 +0300 From: Danny Braniss Message-ID: cc: "stable@freebsd.org" cc: Eirik =?ISO-8859-1?B?2A==?=verby Subject: Re: Current status of nullfs and/or unionfs? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 May 2005 06:18:55 -0000 > Eirik =D8verby writes: > > [...] > > What can I expect to see when trying nullfs and/or unionfs today? Ha= s > > anything changed? Do I have even a remote chance of making it work -= and if > > it doesn't work, what are my chances of anyone having time or energy= to look > > into it? I'm an admin only, no coder, otherwise I'd be happy to look= into it > > myself. > = > I'm using unionfs to mount a copy of my ports tree into a jail on a > fairly currently patched 5.3 system. It works beautifully except that > it sometimes can't be unmounted as the machine shuts down, leading to > an fsck. > = > I've been trying to characterize it. Seems like I can mount it, start > a jail, stop the jail, and unmount it just fine. However if I do > anything in the jail's ports tree, then it won't unmount. Last > experiment I did was to log into the jail and do a couple of 'syncs', > then log out, shut the jail down and unmount it. That worked that one > time. > = > Not enough to file a bug yet, but the anecdote might be useful. we use unionfs with our diskless, mounting the read-only root via nfs, th= en union /etc with a memory file system, the per host files (rc.conf, fstab = =2E..) get copied to it, so that after a reboot no need to fsck anything. works like a charm! a happy user of unionfs, danny