test_hw_raid_sdd3 2 x AMD Opteron 6220 testing with a Supermicro H8DG6/H8DGi v1.0 and Matrox s MGA G200eW WPCM450 on Ubuntu 12.10 via the Phoronix Test Suite. Logical Volume: Processor: 2 x AMD Opteron 6220 @ 3.00GHz (16 Cores), Motherboard: Supermicro H8DG6/H8DGi v1.0, Chipset: AMD ATI RD890 + SB7x0/SB8x0/SB9x0, Memory: 8 x 8192 MB DDR3-1600MHz, Disk: 239GB Logical Volume, Graphics: Matrox s MGA G200eW WPCM450, Network: Intel 82576 Gigabit Connection OS: Ubuntu 12.10, Kernel: 3.5.0-17-generic (x86_64), Compiler: GCC 4.7, File-System: ext4 IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Logical Volume . 3105.26 |===================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Logical Volume . 317.39 |======================================================