iotest io test 100: Processor: 2 x Intel Xeon E5504 @ 2.00GHz (8 Cores), Motherboard: IBM 68Y8071, Chipset: Intel 5520 I/O + ICH10, Memory: 4 x 2048 MB 800MHz, Disk: 147GB MBD2147RC + 147GB CBRCA146C3ETS0 N, Graphics: Matrox s MGA G200EV, Network: Broadcom NetXtreme II BCM5709S Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-32-generic (x86_64), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 800x600 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better 100 . 102.60 |=================================================================