Date: Wed, 21 Oct 2015 08:30:42 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: "Brandon J. Wandersee" <brandon.wandersee@gmail.com> Cc: krad <kraduk@gmail.com>, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: gjournal and TRIM: A safe combination? Message-ID: <alpine.BSF.2.20.1510210828520.71681@wonkity.com> In-Reply-To: <86pp081glq.fsf@WorkBox.Home> References: <867fmh12nq.fsf@WorkBox.Home> <CALfReyfg-71nCg4K0dKmUK-YmZ8yi0ppeGGv4WOD-2Mt8NP9HQ@mail.gmail.com> <86pp081glq.fsf@WorkBox.Home>
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On Wed, 21 Oct 2015, Brandon J. Wandersee wrote: > > krad writes: > >> I thought SU+J was the preferred method these days, not gjournal. I quite >> out of touch with ufs these days though. >> > > I thought the opposite, myself. `gjournal` has its own section in the > Handbook, while SU+J isn't even mentioned. I also thought there was > something fundamentally different about them--like SU+J simply maintains > filesystem integrity, while gjournal actually protects files from the > write hole as well as protecting the filesystem. I could be wrong. This is correct. SUJ is only concerned with filesystem integrity. But if you are considering gjournal, why not go the whole way and just use ZFS?
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