> Eirik Øverby writes:
> > [...]
> > What can I expect to see when trying nullfs and/or unionfs today? Has
> > 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, then
union /etc with a memory file system, the per host files (rc.conf, fstab ...)
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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