Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 22 Jun 2011 13:51:00 +0200
From:      Erik Trulsson <ertr1013@student.uu.se>
To:        Robert Bonomi <bonomi@mail.r-bonomi.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: 'mount -u' stumper
Message-ID:  <20110622115100.GA78910@owl.midgard.homeip.net>
In-Reply-To: <201106221145.p5MBjRwb057115@mail.r-bonomi.com>
References:  <201106221145.p5MBjRwb057115@mail.r-bonomi.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Jun 22, 2011 at 06:45:27AM -0500, Robert Bonomi wrote:
> 
> Environment is FreeBSD 7.2  i386
> 
> I have a Berkeley FFS filesystem that is mounted ro at boot time.
> 
> If I do a 'mount -u' to make it writable, it _is_ made writable, but
> "soft-updates' is also set.   Incidentally, does anybody know _where_
> the 'soft-updates' optioon is documented??  I've looked evereywhere I
> can think of, brute-force grepped wholee sections of the /usr/share/man
> directory tree, all without succeess.
> 
> If I use 'mount -u -r' to return it to the readonly state, 'soft-updates' is
> *still* set.
> 
> _HOW_ do I make'soft-updates' go away on a mounted filesystem ??
> 
> 'umount' and then 'mount' does the trick, but it is no a viable production'
> option.
> 
> THe underlying situation -- the need to make the filesystem writable -- comes
> up only rarely, and it doesn't seem to hurt anything if the filesystem is
> left with soft-updates set, but I _would_ like to clear it, because it *is*
> logically inconsistant with the read-only status of the filesystem.
> 
> Anybody got a bright idea I haven't thought of?

To change if a given filesystem should use soft-updates or not you use
tunefs(8) on that filesystem. (Read the manpage to find exact syntax.)
Note that this cannot be done on a filsystem which is mounted
read/write - only on filesystems that are unmounted or mounted
read-only.


-- 
<Insert your favourite quote here.>
Erik Trulsson
ertr1013@student.uu.se



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20110622115100.GA78910>