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Date:      Mon, 14 Oct 2013 19:08:50 +0100
From:      RW <rwmaillists@googlemail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: SU+J Lost files after a power failure
Message-ID:  <20131014190850.355ecd63@gumby.homeunix.com>
In-Reply-To: <525C1D1C.9050708@gmail.com>
References:  <525A6831.5070402@gmail.com> <l3gc7e$c91$1@ger.gmane.org> <20131014133953.58f74659@gumby.homeunix.com> <525C1D1C.9050708@gmail.com>

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On Mon, 14 Oct 2013 18:34:36 +0200
David Demelier wrote:

> On 14.10.2013 14:39, RW wrote:

> > If you are having problems with data integrity you might try
> > gjournal or zfs instead.
> 
> Why? SU+J is enabled by default. Isn't the purpose of a journaled file
> system to ensure that any bad shutdown will protect data?

SU+J isn't a journalled filesytem, it's a filesystem with soft-updates
that journals information about free space so it can be recovered
without having to go through the whole filesystem.







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