Tag Archives: RAID

EXT4 vs XFS: large volumes with low-end RAID controller

Posted on January 12, 2012 by admin

Some months ago, I wrote an article comparing EXT3, EXT4, XFS and BTRFS filesystem performances with a Fedora 14 x86_64 installation done on a Dell Latitude D620 laptop. While the results were quite interesting (especially to evaluate BTRFS performance), they … Continue reading →

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The perils of uniform hardware and RAID auto-learn cycles

Posted on November 19, 2010 by admin

Last night a customer had an emergency in selected machines on a large cluster of quite uniform database servers. Some of the servers were slowing down in a very puzzling way over a short time span (a couple of hours). … Continue reading →

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