Disk throughput comparison
Intel Xeon E5-2667 v3 testing with a ASRockRack EPC612D4U-2T8R and NVIDIA Quadro K2200 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

btrfs - 3 RAID0 @ 4 SSDs: 

	Processor: Intel Xeon E5-2667 v3 @ 3.60GHz (16 Cores), Motherboard: ASRockRack EPC612D4U-2T8R, Chipset: Intel Haswell-E DMI2, Memory: 32768MB, Disk: 256GB Samsung SSD 850 + 7 x 1024GB Samsung SSD 850 + 2 x 4092GB Logical Volume, Graphics: NVIDIA Quadro K2200, 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, Compiler: GCC 4.9.2 + CUDA 6.0, File-System: btrfs

MD - 3 RAID0 @ 4 SSDs: 

	Processor: Intel Xeon E5-2667 v3 @ 3.60GHz (16 Cores), Motherboard: ASRockRack EPC612D4U-2T8R, Chipset: Intel Haswell-E DMI2, Memory: 32768MB, Disk: 256GB Samsung SSD 850 + 7 x 1024GB Samsung SSD 850 + 2 x 4092GB Logical Volume, Graphics: NVIDIA Quadro K2200, 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, Compiler: GCC 4.9.2 + CUDA 6.0, File-System: ext4

LVM striped - 3 RAID0 @ 4 SSDs: 

	Processor: Intel Xeon E5-2667 v3 @ 3.60GHz (16 Cores), Motherboard: ASRockRack EPC612D4U-2T8R, Chipset: Intel Haswell-E DMI2, Memory: 32768MB, Disk: 256GB Samsung SSD 850 + 7 x 1024GB Samsung SSD 850 + 2 x 4092GB Logical Volume, Graphics: NVIDIA Quadro K2200, 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, 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 |=========
btrfs - 3 RAID0 @ 4 SSDs ....... 7492.19 |=====================================
MD - 3 RAID0 @ 4 SSDs .......... 7476.03 |====================================
LVM striped - 3 RAID0 @ 4 SSDs . 7466.18 |====================================


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 |========================
btrfs - 3 RAID0 @ 4 SSDs ....... 4659.88 |=====================================
MD - 3 RAID0 @ 4 SSDs .......... 4718.89 |=====================================
LVM striped - 3 RAID0 @ 4 SSDs . 4639.74 |====================================


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 |==============================
btrfs - 3 RAID0 @ 4 SSDs ....... 2333.50 |====================================
MD - 3 RAID0 @ 4 SSDs .......... 2000.62 |===============================
LVM striped - 3 RAID0 @ 4 SSDs . 1936.41 |==============================


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 |=======================
btrfs - 3 RAID0 @ 4 SSDs ....... 4221.11 |=====================================
MD - 3 RAID0 @ 4 SSDs .......... 4026.27 |===================================
LVM striped - 3 RAID0 @ 4 SSDs . 3932.05 |==================================