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	<title>Luc de Louw&#039;s Blog &#187; ext3</title>
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	<link>http://blog.delouw.ch</link>
	<description>An IT guy is blogging</description>
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		<title>Confused about write barriers on file systems&#8230;</title>
		<link>http://blog.delouw.ch/2009/11/01/confused-about-write-barriers-on-file-systems/</link>
		<comments>http://blog.delouw.ch/2009/11/01/confused-about-write-barriers-on-file-systems/#comments</comments>
		<pubDate>Sun, 01 Nov 2009 06:30:48 +0000</pubDate>
		<dc:creator>Luc de Louw</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[barrier]]></category>
		<category><![CDATA[ext3]]></category>
		<category><![CDATA[Filesystems]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[RHEL]]></category>

		<guid isPermaLink="false">http://blog.delouw.ch/?p=83</guid>
		<description><![CDATA[As ext3 is already known as a very robust file system why is the default mount option still barrier=0? The problem is LVM and the device mapper. They  do not support barriers. When mounting ext3 on a LV, the option barrier=1 it should be ignored and a warning written. So far so good. Trying this brings [...]]]></description>
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		<title>How are jornaling options affect performance of the ext3 filesystem</title>
		<link>http://blog.delouw.ch/2009/10/30/how-does-jornaling-options-affect-performance-of-the-ext3-filesystem/</link>
		<comments>http://blog.delouw.ch/2009/10/30/how-does-jornaling-options-affect-performance-of-the-ext3-filesystem/#comments</comments>
		<pubDate>Fri, 30 Oct 2009 21:39:11 +0000</pubDate>
		<dc:creator>Luc de Louw</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[ext3]]></category>
		<category><![CDATA[Filesystems]]></category>

		<guid isPermaLink="false">http://blog.delouw.ch/?p=47</guid>
		<description><![CDATA[The need for speed Everyone looks for the optimum of speed in its servers. Todays servers have plenty of spare CPU power and RAM is dirty cheap. Todays common bottleneck is storage. One way to solve the bottleneck is trowing money on it, the other smarter way is choosing the best matching file system and [...]]]></description>
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