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Date:      Wed, 6 Jun 2018 14:52:05 +0100
From:      Gary Palmer <gpalmer@freebsd.org>
To:        Lev Serebryakov <lev@FreeBSD.org>
Cc:        freebsd-fs@freebsd.org
Subject:   Re: Is unionfs usable on -CURRENT?
Message-ID:  <20180606135204.GA44323@in-addr.com>
In-Reply-To: <3a040dd0-5017-755a-1ce4-bc855146c404@FreeBSD.org>
References:  <3a040dd0-5017-755a-1ce4-bc855146c404@FreeBSD.org>

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On Wed, Jun 06, 2018 at 04:14:35PM +0300, Lev Serebryakov wrote:
> 
>  "man mount_unionfs" is very scary. Is is still true? Maybe, here are
> some other workarounds to have one directory with static data on R/O FS
> and transient data on R/W FS?
> 
>  Unfortunately, "net-mgmt/unifi5" want to put all working data directly
> to its installation directory, which resides on R/O FS of NanoBSD image.

I believe the warnings are still at least partly true.  The usual
suggestion is to use "mount -o union" instead of "mount -t unionfs".
"mount -o union" doesn't have the unionfs issues

Regards,

Gary



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