TwoDiskBtrfsRaid Intel Core i7-3770 testing with a Gigabyte H77-D3H and Intel Xeon E3-1200 v2/3rd Gen Core on Arch Linux via the Phoronix Test Suite. Run1: Processor: Intel Core i7-3770 @ 3.90GHz (8 Cores), Motherboard: Gigabyte H77-D3H, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 20480MB, Disk: 4 x 1000GB Western Digital WD10JFCX-68N + 30GB INTEL SSDMCEAC03, Graphics: Intel Xeon E3-1200 v2/3rd Gen Core (1150MHz), Audio: VIA VT2020, Monitor: SMT24A350, Network: Qualcomm Atheros AR8151 v2.0 Gigabit OS: Arch Linux, Kernel: 4.12.8-2-ARCH (x86_64), Compiler: GCC 7.1.1 20170630, File-System: btrfs, Screen Resolution: 1920x1080 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/raid0 MB/s > Higher Is Better Run1 . 2.71 |================================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/raid0 IOPS > Higher Is Better Run1 . 673 |=================================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/raid1 MB/s > Higher Is Better Run1 . 1.47 |================================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt/raid1 IOPS > Higher Is Better Run1 . 365 |=================================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Run1 . 42.30 |================================================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Run1 . 10572 |=================================================================