raid5-15 2 x Intel Xeon X5450 testing with a Dell 0H603H and AMD ES1000 128MB on Ubuntu 14.04 via the Phoronix Test Suite. run: Processor: 2 x Intel Xeon X5450 @ 2.99GHz (8 Cores), Motherboard: Dell 0H603H, Chipset: Intel 5000X MCH, Memory: 4 x 4096 MB DDR2-667MHz, Disk: 146GB PERC 6/i + 15 x 1000GB PERC 5/E, Graphics: LLVMpipe, Monitor: Yakumo 772F, Network: Broadcom NetXtreme II BCM5708 Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-61-generic (x86_64), OpenGL: 2.1 Mesa 10.1.3 Gallium 0.4, Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1280x1024 Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 46.86 |================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 79.83 |================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 127.59 |================================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 8MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 176.90 |================================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 1.20 |=================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 16MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 234.81 |================================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 2.33 |=================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 32MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 255.50 |================================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 4.57 |=================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 281.92 |================================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 8.82 |=================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 128MB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 286.62 |================================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 256KB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 15.32 |================================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt/md - Result: MB/s MB/s > Higher Is Better run . 27.18 |==================================================================