iozone2 Oracle VirtualBox testing on Ubuntu 18.04 via the Phoronix Test Suite. Disk test with IOzone: Processor: Intel Core i7-4510U @ 2.59GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 3072MB, Disk: 537GB VBOX HDD, Graphics: llvmpipe 3072MB, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), Desktop: GNOME Shell 3.28.2, Display Server: X Server 1.19.6, Display Driver: modesetting 1.19.6, OpenGL: 3.3 Mesa 18.0.5 (LLVM 6.0 256 bits), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1096x556, System Layer: Oracle VirtualBox IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Disk test with IOzone . 3599.35 |============================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Disk test with IOzone . 38.62 |================================================