first microsoft testing on CentOS Linux 7 via the Phoronix Test Suite. Virtual Disk: Processor: Intel Core i5-8400 (4 Cores), Motherboard: Microsoft Virtual Machine v7.0 (090008 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 1 x 1072 MB Microsoft, Disk: 32GB Virtual Disk, Graphics: llvmpipe 1GB OS: CentOS Linux 7, Kernel: 3.10.0-1062.18.1.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 2.1 Mesa 18.3.4 (LLVM 7.0 256 bits), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 3840x1200, System Layer: microsoft second: Processor: Intel Core i5-8400 (4 Cores), Motherboard: Microsoft Virtual Machine v7.0 (090008 BIOS), Chipset: Intel 440BX/ZX/DX, Memory: 1 x 1072 MB Microsoft, Disk: 32GB Virtual Disk, Graphics: llvmpipe 1GB OS: CentOS Linux 7, Kernel: 3.10.0-1062.18.1.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.28.3, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 2.1 Mesa 18.3.4 (LLVM 7.0 256 bits), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 3840x1200, System Layer: microsoft IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better Virtual Disk . 518.53 |======================================================= second ....... 530.68 |======================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better Virtual Disk . 525.53 |======================================================= second ....... 530.88 |======================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better Virtual Disk . 301.25 |======================================================== second ....... 303.04 |======================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better Virtual Disk . 303.29 |======================================================= second ....... 307.89 |======================================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better Virtual Disk . 526.06 |======================================================= second ....... 531.75 |======================================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better Virtual Disk . 303.60 |======================================================== second ....... 303.89 |========================================================