disk 1 test: Processor: 4 x Intel Xeon E312xx (Sandy Bridge) @ 2.00GHz (4 Cores), Motherboard: Red Hat KVM, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 8140 MB RAM, Disk: 17GB, Graphics: Red Hat QXL paravirtual graphic card, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-514.26.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better test . 1572.47 |===============================================================