fio-write-8k VMware testing on CentOS 6.6 via the Phoronix Test Suite. Virtual disk: Processor: 2 x Intel Xeon E5-2665 0 @ 2.40GHz (16 Cores), Motherboard: Intel 440BX, Memory: 64512MB, Disk: 17GB Virtual disk + 5 x 275GB Virtual disk OS: CentOS 6.6, Kernel: 2.6.32-504.1.3.el6.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: VMware Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Sync - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Virtual disk . 1400 |========================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Sync - Buffered: No - Block Size: 8KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Virtual disk . 12.27 |=========================================================