Disk throughput comparison
Intel Xeon E5-2667 v3 testing with a ASRockRack EPC612D4U-2T8R and NVIDIA Quadro K2200 4096MB on Debian 8.0 via the Phoronix Test Suite.


btrfs - 14 SSDs: 

	Processor: Intel Xeon E5-2667 v3 @ 3.60GHz (16 Cores), Motherboard: ASRockRack EPC612D4U-2T8R, Chipset: Intel Haswell-E DMI2, Memory: 32768MB, Disk: 15 x 1024GB Samsung SSD 850 + 256GB Samsung SSD 850, Graphics: NVIDIA Quadro K2200 4096MB, Audio: NVIDIA Device 0fbc, Monitor: Samsung SMS24A350H, Network: Intel 10-Gigabit X540-AT2

	OS: Debian 8.0, Kernel: 4.3.1 (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.16.4, Display Driver: NVIDIA 340.96, Compiler: GCC 4.9.2 + CUDA 6.0, File-System: btrfs

LVM striped - 14 SSDs: 

	Processor: Intel Xeon E5-2667 v3 @ 3.60GHz (16 Cores), Motherboard: ASRockRack EPC612D4U-2T8R, Chipset: Intel Haswell-E DMI2, Memory: 32768MB, Disk: 15 x 1024GB Samsung SSD 850 + 256GB Samsung SSD 850, Graphics: NVIDIA Quadro K2200 4096MB, Audio: NVIDIA Device 0fbc, Monitor: Samsung SMS24A350H, Network: Intel 10-Gigabit X540-AT2

	OS: Debian 8.0, Kernel: 4.3.1 (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.16.4, Display Driver: NVIDIA 340.96, Compiler: GCC 4.9.2 + CUDA 6.0, File-System: ext4

MD - 14 SSDs: 

	Processor: Intel Xeon E5-2667 v3 @ 3.60GHz (16 Cores), Motherboard: ASRockRack EPC612D4U-2T8R, Chipset: Intel Haswell-E DMI2, Memory: 32768MB, Disk: 15 x 1024GB Samsung SSD 850 + 256GB Samsung SSD 850, Graphics: NVIDIA Quadro K2200 4096MB, Audio: NVIDIA Device 0fbc, Monitor: Samsung SMS24A350H, Network: Intel 10-Gigabit X540-AT2

	OS: Debian 8.0, Kernel: 4.3.1 (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.16.4, Display Driver: NVIDIA 340.96, Compiler: GCC 4.9.2 + CUDA 6.0, File-System: ext4


IOzone Throughput 3.405
Number of threads: 1 - Test File Size (per thread): 20GB - Disk Test: Read Performance
MB/s > Higher Is Better
btrfs - 14 SSDs ....... 7584.78 |==============================================
LVM striped - 14 SSDs . 7390.48 |=============================================
MD - 14 SSDs .......... 1873.56 |===========


IOzone Throughput 3.405
Number of threads: 4 - Test File Size (per thread): 20GB - Disk Test: Read Performance
MB/s > Higher Is Better
btrfs - 14 SSDs ....... 3121.56 |==============================================
LVM striped - 14 SSDs . 3085.28 |=============================================
MD - 14 SSDs .......... 3112.47 |==============================================


IOzone Throughput 3.405
Number of threads: 1 - Test File Size (per thread): 20GB - Disk Test: Write Performance
MB/s > Higher Is Better
btrfs - 14 SSDs ....... 2368.75 |==============================================
LVM striped - 14 SSDs . 1997.38 |=======================================
MD - 14 SSDs .......... 1923.80 |=====================================


IOzone Throughput 3.405
Number of threads: 4 - Test File Size (per thread): 20GB - Disk Test: Write Performance
MB/s > Higher Is Better
btrfs - 14 SSDs ....... 2823.45 |==============================================
LVM striped - 14 SSDs . 2622.72 |===========================================
MD - 14 SSDs .......... 2647.32 |===========================================