Disk performance test disk read/write testing test1: Processor: 2 x Intel Xeon E5530 @ 2.40GHz (16 Cores), Motherboard: Dell 0D881F, Chipset: Intel 5520 I/O + ICH10R, Memory: 97280MB, Disk: 2 x 600GB Virtual Disk + 1000GB VIRTUAL DISK, Graphics: NVIDIA Quadro FX 4800 1536MB (602/800MHz), Audio: Intel 82801JI, Monitor: Samsung SyncMaster, Network: Broadcom NetXtreme BCM5761 Gigabit PCIe OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: KDE 4.14.16, Display Driver: NVIDIA 340.96, OpenGL: 3.3.0, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 3840x1200 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better test1 . 4656.46 |============================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better test1 . 157.93 |===============================================================