From owner-freebsd-questions@FreeBSD.ORG  Fri Feb 12 01:50:56 2010
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Date: Thu, 11 Feb 2010 17:50:54 -0800
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Cc: alex <alex@mailinglist.ahhyes.net>
Subject: Re: FreeBSD's UFS vs Ext4
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Using a phoronix link as an example, ext4 still has some pretty bad
data loss bugs:
http://www.phoronix.com/scan.php?page=news_item&px=Nzk0OA

imo: data security of ufs > speed of ext4
ymmv