ior21 ior21 ior21: Processor: QEMU Virtual 1.0 @ 3.39GHz (1 Core), Motherboard: OpenStack Foundation Nova v2014.1.3, Chipset: Red Hat Virtio, Memory: 1 x 2048 MB RAM, Disk: 20GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 12.04, Kernel: 3.2.0-68-virtual (x86_64), Display Driver: cirrus, File-System: ext4, System Layer: QEMU 1.0 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ior21 . 46.56 |================================================================