Btrfs RAID: Linux 3.10 To Linux 3.18 Benchmarks
Written by Michael Larabel in Storage on 26 October 2014. Page 1 of 4. 17 Comments

As a follow-up to this week's Btrfs RAID HDD testing on Ubuntu 14.10, I ran some benchmarks of Btrfs in RAID0 while benchmarking every major kernel release from Linux 3.10 to Linux 3.18-rc1.

With the same configuration as used in the previous article for modern Btrfs RAID HDD benchmarking, I put the two Samsung 250GB HD253GJ hard drives in a RAID 0 array with Btrfs on Ubuntu 14.10. I then used the Ubuntu Mainline Kernel PPA to install Linux 3.10, 3.11, 3.12, 3.13, 3.14, 3.15, 3.16, 3.17, and 3.18-rc1 with their stock kernel configuration.

All hardware/software settings were maintained the same aside from swapping out the booted kernel. Note that between Linux 3.11 and 3.12 is when the default CPU scaling governor for this system switches from CPUfreq Ondemand to P-State Powersave.

All of this Btrfs RAID0 disk benchmarking with a wide variety of disk tests was done via the open-source Phoronix Test Suite automated benchmarking software.



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