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Date:      Wed, 22 Aug 2012 17:58:02 -0700
From:      Michael Sierchio <kudzu@tenebras.com>
To:        Polytropon <freebsd@edvax.de>
Cc:        RW <rwmaillists@googlemail.com>, freebsd-questions@freebsd.org
Subject:   Re: /tmp filesystem full
Message-ID:  <CAHu1Y71J94EDb82NLrHfvn6NPnDRv-OexboXWGgYsCn0ZD-%2BhA@mail.gmail.com>
In-Reply-To: <20120823024351.16385ade.freebsd@edvax.de>
References:  <201208221934.q7MJYfwM063804@mail.r-bonomi.com> <1345664911.2501.8.camel@z6000.lenzicasa> <CAHu1Y72xwNevgKQ8eVYYOzGC80-511DtDe8kJMWbYJm5Tq28CA@mail.gmail.com> <20120822232112.07ac3517@gumby.homeunix.com> <20120822232907.34fc82fc@gumby.homeunix.com> <CAHu1Y71Y_cxv_qgQaMmzdx5kZHtXGuLGaxx9QQAE8QBWGL3fUA@mail.gmail.com> <20120823024351.16385ade.freebsd@edvax.de>

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On Wed, Aug 22, 2012 at 5:43 PM, Polytropon <freebsd@edvax.de> wrote:

> For the mentioned appliances, that would not be a problem.
> However there's a distinction between /tmp and /var/tmp
> that can be summarized like this: The content of /tmp may
> disappear after a reboot (see clear_tmp_enable="YES" in
> /etc/rc.conf), whereas /var/tmp is to be preserved during
> reboot. Some programs rely on this behavior when putting
> "delete-temporary" and "keep-temporary" files into the
> respective directories.

You are quite right - most of what's in /var is expected to be
persistent.  In the case where /var/tmp is on a mfs, it's hard to
oblige.  On these same systems, I do have rc scripts that save parts
of /var (those listed in an rc.conf variable) for shutdown, and
populate those dirs (after /etc/rc.d/var does its mtree stuff) on
start up.

- M



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