8 8 8: Processor: Intel Core i7-2760QM @ 2.39GHz (2 Cores), Motherboard: Oracle VirtualBox v1.2, Memory: 2048MB, Disk: 17GB VBOX HDD, Graphics: LLVMpipe, Monitor: VBOX monitor OS: CentOS Linux 7, Kernel: 3.10.0-327.36.3.el7.x86_64 (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.17.2, Display Driver: modesetting 1.17.2, OpenGL: 2.1 Mesa 10.6.5 Gallium 0.4 (LLVM 3.6 256 bits), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1760x1019, System Layer: KVM VirtualBox Flexible IO Tester 3.1 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 8 . 10.57 |====================================================================