Date: Mon, 27 Oct 2008 17:01:01 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: freebsd-fs@FreeBSD.ORG, grafan@gmail.com, gamato@users.sf.net Subject: Re: journaling filesystem Message-ID: <4905E5BD.2020809@quip.cz> In-Reply-To: <200810271343.m9RDhfNQ013868@lurza.secnetix.de> References: <200810271343.m9RDhfNQ013868@lurza.secnetix.de>
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Oliver Fromme wrote: > martinko <gamato@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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