Date: Wed, 3 Dec 2008 19:59:16 +0100 From: Patrick =?ISO-8859-15?Q?Lamaizi=E8re?= <patfbsd@davenulle.org> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: freebsd-questions@freebsd.org Subject: Re: Best Journaling File System - ZFS/??? Message-ID: <20081203195916.7a62ea23@baby-jane> In-Reply-To: <20081203152044.I47300@wojtek.tensor.gdynia.pl> References: <B6DC69C36AB645CAB7E1237397B6BC41@mickey> <20081203134633.57adc024@baby-jane> <20081203145731.U47196@wojtek.tensor.gdynia.pl> <gh63mq$sv0$1@ger.gmane.org> <20081203152044.I47300@wojtek.tensor.gdynia.pl>
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Le Wed, 3 Dec 2008 15:21:19 +0100 (CET), Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> a écrit : > >>> I use gjournal since FreeBSD 7.0 and it seems to work fine. > >> is it really smart enough to not write everything twice or am i > >> wrong? > > > > It writes everything twice :) > > > > (but every journaling system has to write something twice) > > there is a big difference between something (metadata, short data > writes and everything (like huge file data) I don't know how Gjournal works, but it works below the filesystem (so i think it is not aware of metadata), see http://lists.freebsd.org/pipermail/freebsd-current/2006-June/064043.html
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