iozoneRay Oracle VirtualBox testing on Ubuntu 16.04 via the Phoronix Test Suite. iozoneRay: Processor: Intel Xeon X5670 @ 2.93GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 161GB HDD + 107GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: SigmaTel STAC9221 A1, Network: Intel 82540EM Gigabit OS: Ubuntu 16.04, Kernel: 4.4.0-112-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 800x600, System Layer: Oracle VirtualBox IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better iozoneRay . 3371.96 |========================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better iozoneRay . 91.55 |============================================================