disktest-all KVM Parallels Virtualization testing on CentOS Linux 7 via the Phoronix Test Suite. all-iozone: Processor: Intel Xeon E5-2630 v3 @ 2.40GHz (1 Core), Motherboard: Parallels Software Virtual, Chipset: Red Hat Virtio + ICH8/R, Memory: 1 x 1024 MB DRAM-667MHz, Disk: 1100GB HDD, Graphics: Parallels Accelerated Virtual Video, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-327.13.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, System Layer: KVM Parallels Virtualization IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better all-iozone . 422.17 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better all-iozone . 423.76 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better all-iozone . 298.84 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better all-iozone . 291.11 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better all-iozone . 489.21 |========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better all-iozone . 315.39 |==========================================================