sata-port-multiplier AMD Ryzen 7 1700 Eight-Core testing with a ASUS PRIME X370-PRO and AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB on neon 16.04 via the Phoronix Test Suite. mdadm raid10 ext4: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 btrfs raid10 - raid1 metadata: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 btrfs raid5 - raid1 metadata: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 btrfs raid0 - raid1 metadata: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 btrfs jbod - raid1 metadata: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 btrfs raid6 - raid1 metadata: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 mdadm raid5 ext4: Processor: AMD Ryzen 7 1700 Eight-Core @ 3.00GHz (16 Cores), Motherboard: ASUS PRIME X370-PRO, Chipset: AMD Device 1450, Memory: 2 x 16384 MB DDR4-1333MHz CMK32GX4M2A2666C16, Disk: 256GB Samsung SSD 840 + 1000GB Western Digital WD10EACS-00Z + 500GB SAMSUNG HD501LJ + 5 x 500GB Seagate ST500LM021-1KJ15 + Samsung SSD 960 EVO 500GB, Graphics: AMD Radeon R9 380 (AMD TONGA / DRM 3.10.0 / 4.11.4-041104-generic LLVM 5.0.0) 4096MB, Audio: AMD Tonga HDMI Audio, Monitor: PHL BDM3270, Network: Intel I211 Gigabit Connection OS: neon 16.04, Kernel: 4.11.4-041104-generic (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.4, Display Driver: modesetting 1.18.4, OpenGL: 4.5 Mesa 17.2.0-devel- padoka PPA (LLVM 5.0.0), OpenCL: OpenCL 1.1 Mesa 17.2.0-devel- padoka PPA, Vulkan: 1.0.3, Compiler: GCC 5.4.0 20160609 + Clang 3.8.0-2ubuntu4 + LLVM 5.0.0, File-System: ext4, Screen Resolution: 2560x1440 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 80.78 |============================= btrfs raid10 - raid1 metadata . 106.98 |======================================= btrfs raid5 - raid1 metadata .. 75.87 |============================ btrfs raid0 - raid1 metadata .. 72.18 |========================== btrfs jbod - raid1 metadata ... 73.50 |=========================== btrfs raid6 - raid1 metadata .. 56.08 |==================== mdadm raid5 ext4 .............. 57.65 |===================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 16 |============================== btrfs raid10 - raid1 metadata . 23 |=========================================== btrfs raid5 - raid1 metadata .. 15 |============================ btrfs raid0 - raid1 metadata .. 14 |========================== btrfs jbod - raid1 metadata ... 15 |============================ btrfs raid6 - raid1 metadata .. 10 |=================== mdadm raid5 ext4 .............. 11 |===================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 88.25 |========================= btrfs raid10 - raid1 metadata . 58.21 |================ btrfs raid5 - raid1 metadata .. 114.78 |================================ btrfs raid0 - raid1 metadata .. 126.16 |=================================== btrfs jbod - raid1 metadata ... 139.77 |======================================= btrfs raid6 - raid1 metadata .. 62.48 |================= mdadm raid5 ext4 .............. 116.66 |================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 18 |========================= btrfs raid10 - raid1 metadata . 11 |=============== btrfs raid5 - raid1 metadata .. 25 |=================================== btrfs raid0 - raid1 metadata .. 28 |======================================= btrfs jbod - raid1 metadata ... 31 |=========================================== btrfs raid6 - raid1 metadata .. 12 |================= mdadm raid5 ext4 .............. 25 |=================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 108.97 |================================ btrfs raid10 - raid1 metadata . 134.02 |======================================= btrfs raid5 - raid1 metadata .. 98.71 |============================= btrfs raid0 - raid1 metadata .. 106.35 |=============================== btrfs jbod - raid1 metadata ... 103.70 |============================== btrfs raid6 - raid1 metadata .. 79.38 |======================= mdadm raid5 ext4 .............. 98.03 |============================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 23 |================================== btrfs raid10 - raid1 metadata . 29 |=========================================== btrfs raid5 - raid1 metadata .. 21 |=============================== btrfs raid0 - raid1 metadata .. 23 |================================== btrfs jbod - raid1 metadata ... 22 |================================= btrfs raid6 - raid1 metadata .. 16 |======================== mdadm raid5 ext4 .............. 21 |=============================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 98.50 |========================= btrfs raid10 - raid1 metadata . 86.13 |====================== btrfs raid5 - raid1 metadata .. 121.56 |=============================== btrfs raid0 - raid1 metadata .. 143.63 |===================================== btrfs jbod - raid1 metadata ... 150.99 |======================================= btrfs raid6 - raid1 metadata .. 94.37 |======================== mdadm raid5 ext4 .............. 111.81 |============================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 21 |=========================== btrfs raid10 - raid1 metadata . 18 |======================= btrfs raid5 - raid1 metadata .. 26 |================================= btrfs raid0 - raid1 metadata .. 32 |======================================== btrfs jbod - raid1 metadata ... 34 |=========================================== btrfs raid6 - raid1 metadata .. 20 |========================= mdadm raid5 ext4 .............. 24 |============================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 76.02 |========================== btrfs raid10 - raid1 metadata . 112.33 |======================================= btrfs raid5 - raid1 metadata .. 74.01 |========================== btrfs raid0 - raid1 metadata .. 79.28 |============================ btrfs jbod - raid1 metadata ... 78.50 |=========================== btrfs raid6 - raid1 metadata .. 51.29 |================== mdadm raid5 ext4 .............. 53.42 |=================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 15 |=========================== btrfs raid10 - raid1 metadata . 24 |=========================================== btrfs raid5 - raid1 metadata .. 15 |=========================== btrfs raid0 - raid1 metadata .. 16 |============================= btrfs jbod - raid1 metadata ... 16 |============================= btrfs raid6 - raid1 metadata .. 9 |================ mdadm raid5 ext4 .............. 10 |================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 77.55 |============================= btrfs raid10 - raid1 metadata . 104.92 |======================================= btrfs raid5 - raid1 metadata .. 74.10 |============================ btrfs raid0 - raid1 metadata .. 79.60 |============================== btrfs jbod - raid1 metadata ... 79.14 |============================= btrfs raid6 - raid1 metadata .. 52.35 |=================== mdadm raid5 ext4 .............. 55.65 |===================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 16 |=============================== btrfs raid10 - raid1 metadata . 22 |=========================================== btrfs raid5 - raid1 metadata .. 15 |============================= btrfs raid0 - raid1 metadata .. 16 |=============================== btrfs jbod - raid1 metadata ... 16 |=============================== btrfs raid6 - raid1 metadata .. 9 |================== mdadm raid5 ext4 .............. 10 |==================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 94.45 |=========================== btrfs raid10 - raid1 metadata . 73.19 |===================== btrfs raid5 - raid1 metadata .. 135.54 |======================================= btrfs raid0 - raid1 metadata .. 119.78 |================================== btrfs jbod - raid1 metadata ... 123.19 |=================================== btrfs raid6 - raid1 metadata .. 84.63 |======================== mdadm raid5 ext4 .............. 103.70 |============================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 20 |============================= btrfs raid10 - raid1 metadata . 15 |====================== btrfs raid5 - raid1 metadata .. 30 |=========================================== btrfs raid0 - raid1 metadata .. 26 |===================================== btrfs jbod - raid1 metadata ... 27 |======================================= btrfs raid6 - raid1 metadata .. 17 |======================== mdadm raid5 ext4 .............. 22 |================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 79.28 |================= btrfs raid10 - raid1 metadata . 181.80 |======================================= btrfs raid5 - raid1 metadata .. 145.59 |=============================== btrfs raid0 - raid1 metadata .. 144.57 |=============================== btrfs jbod - raid1 metadata ... 143.65 |=============================== btrfs raid6 - raid1 metadata .. 97.95 |===================== mdadm raid5 ext4 .............. 55.46 |============ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 16 |================= btrfs raid10 - raid1 metadata . 41 |=========================================== btrfs raid5 - raid1 metadata .. 32 |================================== btrfs raid0 - raid1 metadata .. 32 |================================== btrfs jbod - raid1 metadata ... 32 |================================== btrfs raid6 - raid1 metadata .. 20 |===================== mdadm raid5 ext4 .............. 10 |========== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 96.90 |=========================== btrfs raid10 - raid1 metadata . 74.29 |===================== btrfs raid5 - raid1 metadata .. 139.12 |======================================= btrfs raid0 - raid1 metadata .. 123.15 |=================================== btrfs jbod - raid1 metadata ... 122.75 |================================== btrfs raid6 - raid1 metadata .. 84.66 |======================== mdadm raid5 ext4 .............. 105.27 |============================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 20 |============================= btrfs raid10 - raid1 metadata . 15 |====================== btrfs raid5 - raid1 metadata .. 30 |=========================================== btrfs raid0 - raid1 metadata .. 27 |======================================= btrfs jbod - raid1 metadata ... 26 |===================================== btrfs raid6 - raid1 metadata .. 17 |======================== mdadm raid5 ext4 .............. 22 |================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 269.21 |======================================= btrfs raid10 - raid1 metadata . 56.99 |======== btrfs raid5 - raid1 metadata .. 91.98 |============= btrfs raid0 - raid1 metadata .. 129.95 |=================== btrfs jbod - raid1 metadata ... 126.19 |================== btrfs raid6 - raid1 metadata .. 61.00 |========= mdadm raid5 ext4 .............. 115.62 |================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 64 |=========================================== btrfs raid10 - raid1 metadata . 12 |======== btrfs raid5 - raid1 metadata .. 20 |============= btrfs raid0 - raid1 metadata .. 28 |=================== btrfs jbod - raid1 metadata ... 28 |=================== btrfs raid6 - raid1 metadata .. 12 |======== mdadm raid5 ext4 .............. 25 |================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 93.30 |========================= btrfs raid10 - raid1 metadata . 144.39 |======================================= btrfs raid5 - raid1 metadata .. 101.71 |=========================== btrfs raid0 - raid1 metadata .. 126.65 |================================== btrfs jbod - raid1 metadata ... 122.72 |================================= btrfs raid6 - raid1 metadata .. 82.11 |====================== mdadm raid5 ext4 .............. 116.90 |================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 19 |========================== btrfs raid10 - raid1 metadata . 31 |=========================================== btrfs raid5 - raid1 metadata .. 22 |=============================== btrfs raid0 - raid1 metadata .. 27 |===================================== btrfs jbod - raid1 metadata ... 27 |===================================== btrfs raid6 - raid1 metadata .. 17 |======================== mdadm raid5 ext4 .............. 25 |=================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 96.09 |========================== btrfs raid10 - raid1 metadata . 146.39 |======================================= btrfs raid5 - raid1 metadata .. 103.63 |============================ btrfs raid0 - raid1 metadata .. 128.67 |================================== btrfs jbod - raid1 metadata ... 127.20 |================================== btrfs raid6 - raid1 metadata .. 84.22 |====================== mdadm raid5 ext4 .............. 120.72 |================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 20 |========================== btrfs raid10 - raid1 metadata . 33 |=========================================== btrfs raid5 - raid1 metadata .. 22 |============================= btrfs raid0 - raid1 metadata .. 28 |==================================== btrfs jbod - raid1 metadata ... 27 |=================================== btrfs raid6 - raid1 metadata .. 17 |====================== mdadm raid5 ext4 .............. 26 |================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 89.62 |========================== btrfs raid10 - raid1 metadata . 72.39 |===================== btrfs raid5 - raid1 metadata .. 136.50 |======================================= btrfs raid0 - raid1 metadata .. 123.57 |=================================== btrfs jbod - raid1 metadata ... 119.90 |================================== btrfs raid6 - raid1 metadata .. 85.89 |========================= mdadm raid5 ext4 .............. 106.28 |============================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 18 |========================== btrfs raid10 - raid1 metadata . 14 |==================== btrfs raid5 - raid1 metadata .. 30 |=========================================== btrfs raid0 - raid1 metadata .. 27 |======================================= btrfs jbod - raid1 metadata ... 26 |===================================== btrfs raid6 - raid1 metadata .. 17 |======================== mdadm raid5 ext4 .............. 23 |================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 106.67 |=========================== btrfs raid10 - raid1 metadata . 152.26 |======================================= btrfs raid5 - raid1 metadata .. 121.83 |=============================== btrfs raid0 - raid1 metadata .. 139.58 |==================================== btrfs jbod - raid1 metadata ... 133.41 |================================== btrfs raid6 - raid1 metadata .. 89.99 |======================= mdadm raid5 ext4 .............. 96.33 |========================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 23 |============================= btrfs raid10 - raid1 metadata . 34 |=========================================== btrfs raid5 - raid1 metadata .. 26 |================================= btrfs raid0 - raid1 metadata .. 31 |======================================= btrfs jbod - raid1 metadata ... 29 |===================================== btrfs raid6 - raid1 metadata .. 19 |======================== mdadm raid5 ext4 .............. 20 |========================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 89.88 |========================== btrfs raid10 - raid1 metadata . 74.99 |====================== btrfs raid5 - raid1 metadata .. 134.60 |======================================= btrfs raid0 - raid1 metadata .. 123.77 |==================================== btrfs jbod - raid1 metadata ... 119.80 |=================================== btrfs raid6 - raid1 metadata .. 89.88 |========================== mdadm raid5 ext4 .............. 106.47 |=============================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 18 |========================== btrfs raid10 - raid1 metadata . 15 |====================== btrfs raid5 - raid1 metadata .. 30 |=========================================== btrfs raid0 - raid1 metadata .. 27 |======================================= btrfs jbod - raid1 metadata ... 26 |===================================== btrfs raid6 - raid1 metadata .. 19 |=========================== mdadm raid5 ext4 .............. 23 |================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk MB/s > Higher Is Better mdadm raid10 ext4 ............. 90.21 |======================= btrfs raid10 - raid1 metadata . 78.72 |==================== btrfs raid5 - raid1 metadata .. 107.41 |=========================== btrfs raid0 - raid1 metadata .. 148.29 |===================================== btrfs jbod - raid1 metadata ... 154.97 |======================================= btrfs raid6 - raid1 metadata .. 91.86 |======================= mdadm raid5 ext4 .............. 116.72 |============================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: Yes - Block Size: 4MB - Disk Target: /mnt/5disk IOPS > Higher Is Better mdadm raid10 ext4 ............. 19 |======================== btrfs raid10 - raid1 metadata . 16 |==================== btrfs raid5 - raid1 metadata .. 23 |============================= btrfs raid0 - raid1 metadata .. 33 |========================================== btrfs jbod - raid1 metadata ... 34 |=========================================== btrfs raid6 - raid1 metadata .. 19 |======================== mdadm raid5 ext4 .............. 26 |=================================