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 seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root: Processor: 2 x Intel Xeon E5-2630 0 @ 2.80GHz (24 Cores), Motherboard: Dell 0XH7F2, Chipset: Intel Xeon E5/Core, Memory: 24 x 16384 MB DDR3-1333MHz, 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 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 | seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 3.93 | 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 | seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 439.52 |====== 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 | seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 144.90 |========= 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 |== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 412.28 |====== 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 |==== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 336.24 |========== 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 |=== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 385.43 |========= 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 |=== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 415.55 |======= 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 |=== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 347.08 |======== 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 |= seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 19880 |=========== 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 |=== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 1144.52 |======= 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 |========== seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 169.01 |===== 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 | seistro-4.12.5-RAID10-4SSD-ext4-WB-Direct-NORA-dataWB-root . 112.08 |