Date: Mon, 21 Dec 2009 19:52:38 -0800 (PST) From: "Pedro F. Giffuni" <giffunip@tutopia.com> To: David N <davidn04@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: Plans for Logged/Journaled UFS Message-ID: <865465.3781.qm@web113501.mail.gq1.yahoo.com> In-Reply-To: <4d7dd86f0912211928y78ce91ect8b86dc1ef4a8d0d1@mail.gmail.com> References: <712903.15604.qm@web113517.mail.gq1.yahoo.com> <3612709F-15CA-4A59-86B1-2674BAA2936D@gmail.com> <240049.46806.qm@web113517.mail.gq1.yahoo.com> <4d7dd86f0912211928y78ce91ect8b86dc1ef4a8d0d1@mail.gmail.com>
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----- Original Message ---- ... > > Hi, > > Ext3 by default only journals the meta-data > http://en.wikipedia.org/wiki/Ext3 > > From http://wiki.archlinux.org/index.php/Ext3_Filesystem_Tips > "By default, ext3 partitions mount with the 'ordered' data mode. In > this mode, all data is written to the main filesystem and its metadata > is committed to the journal, whose blocks are logically grouped into > transactions to decrease disk I/O" > > You have to enable full journalling by setting the option in fstab to > journal everything. > > Regards > David N I stand corrected. Apparently the data=journal mode is not bad at all though: http://www.ibm.com/developerworks/linux/library/l-fs8.html cheers, Pedro.
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