low 8 x Intel Xeon E3-12xx v2 (Ivy Bridge) testing with a OpenStack Foundation Nova v15.0.7 and Red Hat QXL paravirtual graphic card on Ubuntu 14.04 via the Phoronix Test Suite. low: Processor: 8 x Intel Xeon E3-12xx v2 (Ivy Bridge) @ 3.00GHz (8 Cores), Motherboard: OpenStack Foundation Nova v15.0.7, Chipset: Intel 440FX- 82441FX PMC, Memory: 4096MB, Disk: 10GB, Graphics: Red Hat QXL paravirtual graphic card, Network: Red Hat Virtio device OS: Ubuntu 14.04, Kernel: 3.13.0-135-generic (x86_64), Compiler: GCC 4.8.4, File-System: ext4 IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better low . 6182.16 |================================================================ IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better low . 6650.78 |================================================================ IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better low . 448.96 |================================================================= IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better low . 451.98 |================================================================= IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better low . 7775.84 |================================================================ IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better low . 458.08 |=================================================================