journaling filesystem
Miroslav Lachman
000.fbsd at quip.cz
Mon Oct 27 16:00:32 UTC 2008
Oliver Fromme wrote:
> martinko <gamato at users.sf.net> wrote:
> > Rong-en Fan wrote:
> > > In NetBSD, they now have metadata journaling support, see
> > >
> > > http://www.netbsd.org/changes/#wapbl
> > >
> > > I'm not a fs guru, I just want to know what are the status of
> > > BluFFS and UFS journaling support which were mentioned
> > > in recent years.
> >
> > This is very interesting! I can imagine this would be the way for
> > systems where ZFS is not an option but SU are reaching their limits.
>
> Have you had a look at gjournal(8)?
I played with a gjournal, it is simple and working, but not usable where
performance matters. A write performance is degraded to about half of a
performance without gjournal (with a gjournal on top of a gmirror it is
even more slower)
Miroslav Lachman
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