iozOne write test
btrfs raid1 iozone


btrfs raid1: 

	Processor: Intel Core i7-2600 @ 3.80GHz (8 Cores), Motherboard: ASRock H67M-GE/THW, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 2 x 2000GB Hitachi HDS72202 + 2000GB Western Digital WD2002FYPS-0, Graphics: NVIDIA GeForce GTS 450 Rev. 2 1024MB (405/324MHz), Audio: Realtek ALC892, Monitor: RDT233WLM + E2350, Network: Realtek RTL8111/8168/8411

	OS: Linux, Kernel: 3.14.3-2-ARCH (x86_64), Desktop: GNOME Shell 3.12.1, Display Server: X Server 1.15.1, Display Driver: nouveau 1.0.10, OpenGL: 3.3 Mesa 10.1.3 Gallium 0.4, Compiler: GCC 4.9.0 20140507, File-System: btrfs, Screen Resolution: 1920x1080


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
btrfs raid1 . 176.38 |=========================================================