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Date: Sat, 25 Jul 2015 05:32:45 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: CK <nibbana@gmx.us>
cc: freebsd-questions@freebsd.org
Subject: Re: Endless Data Loss
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On Fri, 24 Jul 2015, CK wrote:

> PS. One thing I notice is that if I ever ensure correct permissions
> of the .sujournal files, but setting them to the same values that
> they already have, upon reboot I get an error message to the effect
> "timestamp on journal doesn't match last mount time", and then there
> is a fallback to a full fsck, most always followed by some cleared
> inodes and file loss.  Helpful hint or not, I don't know.

Step 1: stop using SUJ, soft updates journaling.  Switch to just soft 
updates.  This can be done from single user mode with 'tunefs -j 
disable'.  As far as the rest, the description of what happens and when 
is not clear.  Is the machine subject to sudden power loss?