Disktest2 Running pts/iozone-1.8.0 via the Phoronix Test Suite. Disk Test: Processor: 4 x Intel Core i7-3630QM @ 2.40GHz (4 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 8192MB, Disk: 75GB VMware Virtual S, Graphics: VMware SVGA II, Audio: Ensoniq ES1371 / Creative, Network: AMD 79c970 OS: Ubuntu 16.04, Kernel: 4.4.0-38-generic (i686), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: vmware 13.1.0, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1904x967, System Layer: VMware Vbox DiskTest: Processor: Intel Core i7-3630QM @ 2.39GHz (4 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 86GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Ubuntu 16.04, Kernel: 4.4.0-38-generic (i686), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: modesetting 1.18.3, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768, System Layer: Oracle VirtualBox IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Disk Test ..... 3582.89 |===================================== Vbox DiskTest . 5170.07 |====================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Disk Test ..... 58.77 |=============================================== Vbox DiskTest . 69.50 |========================================================