medium_read_512 KVM testing on CentOS Linux 7 via the Phoronix Test Suite. 2 x Intel Xeon E312xx (Sandy Bridge) - - OpenStack: Processor: 2 x Intel Xeon E312xx (Sandy Bridge) @ 2.60GHz (2 Cores), Motherboard: OpenStack Foundation Nova v2014.2.3, Memory: 4096MB, Disk: 40GB OS: CentOS Linux 7, Kernel: 3.10.0-229.14.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better 2 x Intel Xeon E312xx (Sandy Bridge) - - OpenStack . 3189.61 |================