disk-benchmark 4 x Intel Xeon E5-2650 v2 testing with a OpenStack Foundation Nova v2014.2.2 and Red Hat QXL paravirtual graphic card on Ubuntu 14.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1505044-DE-DISKBENCH25 .
disk-benchmark Processor Motherboard Chipset Memory Disk Graphics Network OS Kernel Compiler File-System jph 4 x Intel Xeon E5-2650 v2 @ 2.60GHz (4 Cores) OpenStack Foundation Nova v2014.2.2 Intel 440FX- 82441FX PMC 32768MB 40GB Red Hat QXL paravirtual graphic card Red Hat Virtio device Ubuntu 14.04 3.13.0-51-generic (x86_64) GCC 4.8.2 ext4 OpenBenchmarking.org - --build=x86_64-linux-gnu --disable-browser-plugin --disable-libmudflap --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v - data=ordered,relatime,rw
disk-benchmark aio-stress: Rand Write Standard Error Standard Deviation jph 1980.97 22.40 1.96% OpenBenchmarking.org
AIO-Stress Test: Random Write OpenBenchmarking.org MB/s, More Is Better AIO-Stress 0.21 Test: Random Write jph 400 800 1200 1600 2000 SE +/- 22.40, N = 3 1980.97 1. (CC) gcc options: -pthread -laio
Phoronix Test Suite v10.8.4