jepee Oracle VirtualBox testing on Ubuntu 16.04 via the Phoronix Test Suite. raid: Processor: Intel Core i5-2500K @ 3.31GHz (4 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 3 x 21GB VBOX HDD, Graphics: LLVMpipe, Audio: SigmaTel STAC9221 A1, Monitor: VBOX monitor, Network: Red Hat Virtio device OS: Ubuntu 16.04, Kernel: 4.4.0-24-generic (x86_64), Desktop: MATE 1.12.1, 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 5.3.1 20160413, File-System: ext4, Screen Resolution: 1920x1080, System Layer: Oracle VirtualBox IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better raid . 8125.90 |=============================================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better raid . 7328.89 |=============================================================== IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better raid . 227.68 |================================================================ IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better raid . 245.61 |================================================================ IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better raid . 8731.85 |=============================================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better raid . 228.36 |================================================================