iozone-benchmark Intel Xeon E3-1230 v3 testing on CentOS 6.4 via the Phoronix Test Suite. kvm-iscsi-lun: Processor: Intel Xeon E3-1230 v3 @ 3.29GHz (1 Core), Motherboard: Red Hat KVM, Memory: 1024MB, Disk: 8GB OS: CentOS 6.4, Kernel: 2.6.32-358.18.1.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4 IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better kvm-iscsi-lun . 229.42 |======================================================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better kvm-iscsi-lun . 234.41 |======================================================= IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better kvm-iscsi-lun . 278.37 |======================================================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better kvm-iscsi-lun . 247.85 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better kvm-iscsi-lun . 230.91 |======================================================= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better kvm-iscsi-lun . 223.78 |======================================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better kvm-iscsi-lun . 235.67 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better kvm-iscsi-lun . 258.82 |======================================================= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better kvm-iscsi-lun . 205.54 |======================================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better kvm-iscsi-lun . 208.29 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better kvm-iscsi-lun . 231.85 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better kvm-iscsi-lun . 197.53 |=======================================================