jl jl jl: Processor: 4 x QEMU Virtual 2.4.0.1 @ 2.40GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 2048 MB RAM QEMU, Disk: 20GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 14.04, Kernel: 3.16.0-30-generic (x86_64), Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1024x768, System Layer: QEMU 2.4.0.1 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better jl . 29.94 |=================================================================== AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better jl . 42.40 |===================================================================