Date: Fri, 06 May 2005 09:18:51 +0300 From: Danny Braniss <danny@cs.huji.ac.il> To: hartzell@alerce.com Cc: Eirik =?ISO-8859-1?B?2A==?=verby <ltning@anduin.net> Subject: Re: Current status of nullfs and/or unionfs? Message-ID: <E1DTwAl-000PKy-Ht@cs1.cs.huji.ac.il> In-Reply-To: Message from George Hartzell <hartzell@kestrel.alerce.com> <17018.24934.201800.345415@satchel.alerce.com>
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> 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
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