Fedora Logical Volume Manager Benchmarks
Written by Michael Larabel in Software on 1 July 2011. Page 3 of 3. 29 Comments

EXT4 with the Linux Logical Volume Manager was 26% faster for the 4GB IOzone write test.

Even the read performance was around 10% faster when using EXT4 within an LVM volume.

The only item that comes to mind why EXT4 with the Logical Volume Manager is so much faster over EXT4 without is due to write barriers not being enforced by default with LVM. This is potentially putting your data, however, at risk. Continue reading with our EXT4 vs. Btrfs comparison on the Linux 3.0 kernel.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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