Btrfs Linux 4.10 RAID 4-Disk SSD
Btrfs multi-disk tests on the Linux 4.10 kernel with various RAID options. Tests by Michael Larabel for a future article on Phoronix.com.


Single Disk: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

2-Disk RAID0: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

2-Disk RAID1: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

4-Disk RAID0: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

4-Disk RAID1: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

4-Disk RAID10: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

4-Disk RAID5: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

4-Disk RAID6: 

	Processor: Intel Core i7-6800K @ 3.80GHz (12 Cores), Motherboard: MSI X99A WORKSTATION (MS-7A54) v1.0, Chipset: Intel Xeon E7 v4/Xeon, Memory: 16384MB, Disk: 120GB Samsung SSD 850 + 4 x 120GB TOSHIBA-TR150, Graphics: NVIDIA GeForce GTX TITAN X 12288MB, Audio: Realtek ALC1150, Monitor: ASUS PB278, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.10.0-999-generic (x86_64) 20170126, Desktop: Unity 7.4.0, Display Server: X Server 1.18.4, Display Driver: nouveau 1.0.12, OpenGL: 3.3 Mesa 11.2.0 Gallium 0.4, Vulkan: 1.0.8, Compiler: GCC 5.4.0 20160609 + CUDA 8.0, File-System: btrfs, Screen Resolution: 2560x1440

seistro-RAID5-8disks-ext4-4.12.1: 

	Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 387072MB, Disk: 6998GB PERC H710P + 1199GB PERC H710P, Graphics: Matrox s G200eR2, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe

	OS: Debian 8.8, Kernel: 4.12.1-041201-generic (x86_64), Compiler: GCC 5.3.1 20160224, File-System: ext4, Screen Resolution: 1024x768

4.12.1-seistro-raid10-4disks: 

	Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 387072MB, Disk: 6998GB PERC H710P + 1199GB PERC H710P, Graphics: Matrox s G200eR2, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe

	OS: Debian 8.8, Kernel: 4.12.1-041201-generic (x86_64), Compiler: GCC 5.3.1 20160224, File-System: ext4, Screen Resolution: 1024x768

4.12.1-seistro-raid10-4disks-ext4: 

	Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 387072MB, Disk: 6998GB PERC H710P + 1199GB PERC H710P, Graphics: Matrox s G200eR2, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe

	OS: Debian 8.8, Kernel: 4.12.1-041201-generic (x86_64), Compiler: GCC 5.3.1 20160224, File-System: ext4, Screen Resolution: 1024x768

4.10.0-pangaia-ext4-hd-ordered: 

	Processor: Intel Core i7-5820K @ 3.60GHz (12 Cores), Motherboard: ASUS X99-A/USB 3.1, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2000GB TOSHIBA DT01ACA2 + 256GB KINGSTON SKC400S, Graphics: Gigabyte NVIDIA GeForce GTX 960, Audio: Realtek ALC1150, Network: Intel Connection

	OS: Ubuntu 17.04, Kernel: 4.10.0-20-generic (x86_64), Desktop: KDE Frameworks 5, Display Driver: modesetting 1.19.3, Vulkan: 1.0.24, Compiler: GCC 5.4.1 20170304 + CUDA 8.0, File-System: ext4, Screen Resolution: 1280x1024

seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware: 

	Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 387072MB, Disk: 6998GB PERC H710P + 1199GB PERC H710P, Graphics: Matrox s G200eR2, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe

	OS: Debian 8.8, Kernel: 4.12.1-041201-generic (x86_64), Compiler: GCC 5.3.1 20160224, File-System: ext4, Screen Resolution: 1024x768

seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware: 

	Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 387072MB, Disk: 6998GB PERC H710P + 1199GB PERC H710P, Graphics: Matrox s G200eR2, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe

	OS: Debian 8.8, Kernel: 4.12.1-041201-generic (x86_64), Compiler: GCC 5.3.1 20160224, File-System: ext4, Screen Resolution: 1024x768

seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA: 

	Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 387072MB, Disk: 6998GB PERC H710P + 1199GB PERC H710P, Graphics: Matrox s G200eR2, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5720 Gigabit PCIe

	OS: Debian 8.9, Kernel: 4.12.5-041205-generic (x86_64), Compiler: GCC 5.3.1 20160224, File-System: ext4, Screen Resolution: 1024x768

4.10-pangain-ext4-hd-writeback: 

	Processor: Intel Core i7-5820K @ 3.60GHz (12 Cores), Motherboard: ASUS X99-A/USB 3.1, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2000GB TOSHIBA DT01ACA2 + 256GB KINGSTON SKC400S, Graphics: Gigabyte NVIDIA GeForce GTX 960 4096MB (1215/3505MHz), Audio: Realtek ALC1150, Network: Intel Connection

	OS: Ubuntu 17.04, Kernel: 4.10.0-30-generic (x86_64), Desktop: KDE Frameworks 5, Display Driver: NVIDIA 375.66, OpenGL: 4.5.0, Vulkan: 1.0.24, Compiler: GCC 5.4.1 20170304 + CUDA 8.0, File-System: ext4, Screen Resolution: 1280x1024


SQLite 3.8.10.2
Test Target: Default Test Directory
Seconds < Lower Is Better
Single Disk ...................................... 85.56  |===
2-Disk RAID0 ..................................... 87.56  |===
2-Disk RAID1 ..................................... 105.90 |====
4-Disk RAID0 ..................................... 85.22  |===
4-Disk RAID1 ..................................... 91.33  |===
4-Disk RAID10 .................................... 97.09  |====
4-Disk RAID5 ..................................... 107.49 |====
4-Disk RAID6 ..................................... 122.07 |====
seistro-RAID5-8disks-ext4-4.12.1 ................. 12.99  |
4.12.1-seistro-raid10-4disks-ext4 ................ 3.98   |
4.10.0-pangaia-ext4-hd-ordered ................... 549.14 |====================
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 4.51   |
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 4.47   |
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 4.00   |
4.10-pangain-ext4-hd-writeback ................... 16.37  |=


Flexible IO Tester 2.1.13
Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ...................................... 210.37 |======
2-Disk RAID0 ..................................... 439.91 |============
2-Disk RAID1 ..................................... 213.46 |======
4-Disk RAID0 ..................................... 720.89 |====================
4-Disk RAID1 ..................................... 413.46 |===========
4-Disk RAID10 .................................... 424.44 |============
4-Disk RAID5 ..................................... 585.34 |================
4-Disk RAID6 ..................................... 422.97 |============
seistro-RAID5-8disks-ext4-4.12.1 ................. 2.32   |
4.12.1-seistro-raid10-4disks-ext4 ................ 245.69 |=======
4.10.0-pangaia-ext4-hd-ordered ................... 1.79   |
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 15.31  |
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 232.14 |======
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 421.30 |============
4.10-pangain-ext4-hd-writeback ................... 1.86   |


Flexible IO Tester 2.1.13
Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ...................................... 91.71  |===========
2-Disk RAID0 ..................................... 126.24 |================
2-Disk RAID1 ..................................... 49.58  |======
4-Disk RAID0 ..................................... 160.19 |====================
4-Disk RAID1 ..................................... 95.64  |============
4-Disk RAID10 .................................... 103.63 |=============
4-Disk RAID5 ..................................... 156.98 |====================
4-Disk RAID6 ..................................... 119.44 |===============
seistro-RAID5-8disks-ext4-4.12.1 ................. 6.28   |=
4.12.1-seistro-raid10-4disks-ext4 ................ 149.18 |===================
4.10.0-pangaia-ext4-hd-ordered ................... 1.09   |
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 9.06   |=
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 137.96 |=================
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 143.40 |==================
4.10-pangain-ext4-hd-writeback ................... 1.02   |


Flexible IO Tester 2.1.13
Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ...................................... 243.91 |=======
2-Disk RAID0 ..................................... 525.49 |===============
2-Disk RAID1 ..................................... 331.32 |=========
4-Disk RAID0 ..................................... 719.56 |====================
4-Disk RAID1 ..................................... 267.38 |=======
4-Disk RAID10 .................................... 558.34 |================
4-Disk RAID5 ..................................... 678.77 |===================
4-Disk RAID6 ..................................... 591.20 |================
seistro-RAID5-8disks-ext4-4.12.1 ................. 2.40   |
4.12.1-seistro-raid10-4disks-ext4 ................ 254.28 |=======
4.10.0-pangaia-ext4-hd-ordered ................... 179.11 |=====
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 310.42 |=========
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 250.58 |=======
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 424.76 |============
4.10-pangain-ext4-hd-writeback ................... 174.30 |=====


Flexible IO Tester 2.1.13
Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s
MB/s > Higher Is Better
Single Disk ...................................... 90.36  |=====
2-Disk RAID0 ..................................... 125.88 |=======
2-Disk RAID1 ..................................... 49.50  |===
4-Disk RAID0 ..................................... 166.98 |==========
4-Disk RAID1 ..................................... 105.29 |======
4-Disk RAID10 .................................... 116.27 |=======
4-Disk RAID5 ..................................... 113.33 |=======
4-Disk RAID6 ..................................... 101.58 |======
seistro-RAID5-8disks-ext4-4.12.1 ................. 103.67 |======
4.12.1-seistro-raid10-4disks-ext4 ................ 339.34 |====================
4.10.0-pangaia-ext4-hd-ordered ................... 149.08 |=========
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 346.28 |====================
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 320.08 |==================
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 341.06 |====================
4.10-pangain-ext4-hd-writeback ................... 148.72 |=========


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
Single Disk ...................................... 61.03  |===
2-Disk RAID0 ..................................... 78.17  |====
2-Disk RAID1 ..................................... 59.35  |===
4-Disk RAID0 ..................................... 121.72 |======
4-Disk RAID1 ..................................... 78.57  |====
4-Disk RAID10 .................................... 63.17  |===
4-Disk RAID5 ..................................... 82.83  |====
4-Disk RAID6 ..................................... 83.70  |====
seistro-RAID5-8disks-ext4-4.12.1 ................. 61.90  |===
4.12.1-seistro-raid10-4disks-ext4 ................ 399.68 |====================
4.10.0-pangaia-ext4-hd-ordered ................... 22.70  |=
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 406.80 |====================
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 372.45 |==================
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 358.70 |==================
4.10-pangain-ext4-hd-writeback ................... 105.03 |=====


FS-Mark 3.3
Test: 5000 Files, 1MB Size, 4 Threads
Files/s > Higher Is Better
Single Disk ...................................... 50.73  |==
2-Disk RAID0 ..................................... 80.60  |===
2-Disk RAID1 ..................................... 42.95  |==
4-Disk RAID0 ..................................... 132.25 |=====
4-Disk RAID1 ..................................... 61.37  |==
4-Disk RAID10 .................................... 65.67  |==
4-Disk RAID5 ..................................... 100.83 |====
4-Disk RAID6 ..................................... 66.60  |==
seistro-RAID5-8disks-ext4-4.12.1 ................. 184.12 |======
4.12.1-seistro-raid10-4disks-ext4 ................ 424.50 |===============
4.10.0-pangaia-ext4-hd-ordered ................... 64.80  |==
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 567.43 |====================
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 433.03 |===============
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 420.30 |===============
4.10-pangain-ext4-hd-writeback ................... 152.93 |=====


FS-Mark 3.3
Test: 4000 Files, 32 Sub Dirs, 1MB Size
Files/s > Higher Is Better
Single Disk ...................................... 46.63  |==
2-Disk RAID0 ..................................... 74.55  |====
2-Disk RAID1 ..................................... 42.05  |==
4-Disk RAID0 ..................................... 135.77 |======
4-Disk RAID1 ..................................... 61.42  |===
4-Disk RAID10 .................................... 65.63  |===
4-Disk RAID5 ..................................... 84.28  |====
4-Disk RAID6 ..................................... 57.65  |===
4.12.1-seistro-raid10-4disks-ext4 ................ 354.45 |=================
4.10.0-pangaia-ext4-hd-ordered ................... 23.47  |=
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 423.68 |====================
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 359.57 |=================
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 348.63 |================
4.10-pangain-ext4-hd-writeback ................... 107.40 |=====


BlogBench 1.0
Test: Write
Final Score > Higher Is Better
Single Disk ...................................... 4942  |=====
2-Disk RAID0 ..................................... 6617  |=======
2-Disk RAID1 ..................................... 4939  |=====
4-Disk RAID0 ..................................... 7537  |========
4-Disk RAID1 ..................................... 5542  |======
4-Disk RAID10 .................................... 6420  |=======
4-Disk RAID5 ..................................... 7079  |=======
4-Disk RAID6 ..................................... 5808  |======
4.12.1-seistro-raid10-4disks-ext4 ................ 19876 |====================
4.10.0-pangaia-ext4-hd-ordered ................... 2043  |==
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 18291 |===================
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 19884 |====================
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 20591 |=====================
4.10-pangain-ext4-hd-writeback ................... 1935  |==


Compile Bench 0.6
Test: Compile
MB/s > Higher Is Better
Single Disk ...................................... 816.97  |===========
2-Disk RAID0 ..................................... 986.31  |=============
2-Disk RAID1 ..................................... 784.53  |===========
4-Disk RAID0 ..................................... 1413.04 |===================
4-Disk RAID1 ..................................... 915.54  |============
4-Disk RAID10 .................................... 903.57  |============
4-Disk RAID5 ..................................... 1001.93 |=============
4-Disk RAID6 ..................................... 878.04  |============
4.12.1-seistro-raid10-4disks-ext4 ................ 1140.21 |===============
4.10.0-pangaia-ext4-hd-ordered ................... 530.46  |=======
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 1179.78 |================
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 1166.99 |================
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 1168.47 |================
4.10-pangain-ext4-hd-writeback ................... 529.66  |=======


Compile Bench 0.6
Test: Initial Create
MB/s > Higher Is Better
Single Disk ...................................... 126.47 |=======
2-Disk RAID0 ..................................... 271.68 |===============
2-Disk RAID1 ..................................... 118.82 |======
4-Disk RAID0 ..................................... 296.61 |================
4-Disk RAID1 ..................................... 226.87 |============
4-Disk RAID10 .................................... 246.89 |=============
4-Disk RAID5 ..................................... 263.94 |==============
4-Disk RAID6 ..................................... 237.06 |=============
4.12.1-seistro-raid10-4disks-ext4 ................ 177.50 |==========
4.10.0-pangaia-ext4-hd-ordered ................... 369.60 |====================
seistro-RAID5-8Disks-ext4-4.12.1-upgradeFirmware . 165.05 |=========
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware .. 176.61 |==========
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA ... 170.80 |=========
4.10-pangain-ext4-hd-writeback ................... 355.19 |===================


PostgreSQL pgbench 9.4.3
Scaling: On-Disk - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
Single Disk ..................................... 1196.72 |========
2-Disk RAID0 .................................... 1626.47 |===========
2-Disk RAID1 .................................... 1147.83 |========
4-Disk RAID0 .................................... 2887.00 |====================
4-Disk RAID1 .................................... 972.52  |=======
4-Disk RAID10 ................................... 1427.30 |==========
4-Disk RAID5 .................................... 2012.79 |==============
4-Disk RAID6 .................................... 1303.60 |=========
4.12.1-seistro-raid10-4disks-ext4 ............... 112.32  |=
4.10.0-pangaia-ext4-hd-ordered .................. 99.76   |=
seistro-RAID10-4SSD-ext4-4.12.1-upgradeFirmware . 112.12  |=
seistro-RAID10-4SSD-ext4-4.12.5-WB-Direct-NORA .. 112.05  |=
4.10-pangain-ext4-hd-writeback .................. 131.04  |=