tiobenchmark Intel Xeon X5690 testing on CentOS 6.3 (Final) via the Phoronix Test Suite. Virtual Disk: Processor: Intel Xeon X5690 @ 3.46GHz (4 Cores), Motherboard: Microsoft Virtual Machine v7.0, Memory: 4096MB, Disk: 136GB Virtual Disk OS: CentOS 6.3 (Final), Kernel: 3.5.0 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4 Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better Virtual Disk . 7015.19 |======================================================= Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better Virtual Disk . 914.79 |======================================================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better Virtual Disk . 5708.91 |======================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better Virtual Disk . 530.04 |========================================================