iozone-4k-2GB-vm Running pts/iozone-1.8.0 via the Phoronix Test Suite. nas4free: Processor: AMD Turion II Neo N54L @ 2.17GHz (2 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 17GB VBOX HDD, Graphics: InnoTek VirtualBox, Network: Intel 82540EM Gigabit OS: Debian Linux 7.5, Kernel: 3.2.0-4-amd64 (x86_64), Compiler: GCC 4.7.2, File-System: ext4, System Layer: VirtualBox xenserver6.2: Processor: AMD Turion II Neo N54L @ 2.20GHz (2 Cores), Memory: 2048MB, Disk: 14GB OS: Debian Linux 7.5, Kernel: 3.2.0-4-amd64 (x86_64), Compiler: GCC 4.7.2, File-System: ext4, System Layer: Xen 4.1.5 Hypervisor IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better nas4free ..... 249.79 |======================================================== xenserver6.2 . 112.24 |========================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better nas4free ..... 12.88 |======= xenserver6.2 . 102.50 |========================================================