iozone-pf KVM testing on CentOS Linux 7 via the Phoronix Test Suite. 2 x Intel Xeon E312xx (Sandy Bridge) - - Red Hat KVM: Processor: 2 x Intel Xeon E312xx (Sandy Bridge) @ 2.60GHz (2 Cores), Motherboard: Red Hat KVM, Memory: 1 x 6144 MB RAM, Disk: 27GB OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better 2 x Intel Xeon E312xx (Sandy Bridge) - - Red Hat KVM . 2818.54 |============== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better 2 x Intel Xeon E312xx (Sandy Bridge) - - Red Hat KVM . 315.32 |===============