disk-1 qemu testing on Ubuntu 16.04 via the Phoronix Test Suite. disk-1: Processor: Intel Core i7-4930K @ 3.40GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 6144 MB RAM QEMU, Disk: 492GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 16.04, Kernel: 4.4.0-81-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu IOzone 3.347 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better disk-1 . 5814.20 |============================================================= IOzone 3.347 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better disk-1 . 1303.39 |=============================================================