Ubuntu Linux RAID 0/1/5/6/10 Disk Testing RAID mdadm benchmarks with four Intel SSDs using RAID 0, 1, 5, 6, and 10 levels on Linux 3.18 kernel with various file-systems. Benchmarks by Michael Larabel for a future article on Phoronix.com. Native Btrfs: RAID 0: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 Native Btrfs: RAID 1: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 Native Btrfs: RAID 10: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 Native Btrfs: RAID 5: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 Native Btrfs: RAID 6: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 mdadm Btrfs: RAID 0: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 mdadm Btrfs: RAID 1: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 mdadm Btrfs: RAID 10: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 mdadm Btrfs: RAID 5: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 mdadm Btrfs: RAID 6: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 2560x1600 mdadm EXT4: RAID 0: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600 mdadm EXT4: RAID 1: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600 mdadm EXT4: RAID 10: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600 mdadm EXT4: RAID 5: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600 mdadm EXT4: RAID 6: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600 mdadm XFS: RAID 0: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 2560x1600 mdadm XFS: RAID 1: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 2560x1600 mdadm XFS: RAID 10: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 2560x1600 mdadm XFS: RAID 5: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 2560x1600 mdadm XFS: RAID 6: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 2560x1600 mdadm F2FS: RAID 0: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: f2fs, Screen Resolution: 2560x1600 mdadm F2FS: RAID 1: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: f2fs, Screen Resolution: 2560x1600 mdadm F2FS: RAID 10: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: f2fs, Screen Resolution: 2560x1600 mdadm F2FS: RAID 5: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: f2fs, Screen Resolution: 2560x1600 mdadm F2FS: RAID 6: Processor: Intel Core i7-5960X @ 4.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E5 v3/Core, Memory: 16384MB, Disk: 4 x 120GB INTEL SSDSC2BW12 + 128GB Crucial_CT128MX1, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Intel C610/X99, Monitor: SyncMaster, Network: Intel Connection OS: Ubuntu 14.10, Kernel: 3.18.0-031800rc1-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.3.0 Gallium 0.4, Compiler: GCC 4.9.1, File-System: f2fs, Screen Resolution: 2560x1600 Flexible IO Tester 2.1.11 Type: Random Read - IO Engine: Libaio - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Native Btrfs: RAID 0 .. 758.26 |====================================== Native Btrfs: RAID 1 .. 233.00 |============ Native Btrfs: RAID 10 . 469.10 |======================== Native Btrfs: RAID 5 .. 742.06 |====================================== Native Btrfs: RAID 6 .. 653.54 |================================= mdadm Btrfs: RAID 0 ... 816.02 |========================================= mdadm Btrfs: RAID 1 ... 224.69 |=========== mdadm Btrfs: RAID 10 .. 695.44 |=================================== mdadm Btrfs: RAID 5 ... 792.61 |======================================== mdadm Btrfs: RAID 6 ... 909.98 |============================================== mdadm EXT4: RAID 0 .... 818.33 |========================================= mdadm EXT4: RAID 1 .... 214.45 |=========== mdadm EXT4: RAID 10 ... 684.95 |=================================== mdadm EXT4: RAID 5 .... 689.39 |=================================== mdadm EXT4: RAID 6 .... 854.92 |=========================================== mdadm XFS: RAID 0 ..... 841.97 |=========================================== mdadm XFS: RAID 1 ..... 236.43 |============ mdadm XFS: RAID 10 .... 384.53 |=================== mdadm XFS: RAID 5 ..... 751.77 |====================================== mdadm XFS: RAID 6 ..... 928.27 |=============================================== mdadm F2FS: RAID 0 .... 872.84 |============================================ mdadm F2FS: RAID 1 .... 239.73 |============ mdadm F2FS: RAID 10 ... 741.30 |====================================== mdadm F2FS: RAID 5 .... 736.18 |===================================== mdadm F2FS: RAID 6 .... 916.30 |============================================== Flexible IO Tester 2.1.11 Type: Random Write - IO Engine: Libaio - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Native Btrfs: RAID 0 .. 497.23 |=============================================== Native Btrfs: RAID 1 .. 128.00 |============ Native Btrfs: RAID 10 . 267.48 |========================= Native Btrfs: RAID 5 .. 248.93 |======================== Native Btrfs: RAID 6 .. 214.56 |==================== mdadm Btrfs: RAID 0 ... 381.45 |==================================== mdadm Btrfs: RAID 1 ... 109.22 |========== mdadm Btrfs: RAID 10 .. 159.53 |=============== mdadm Btrfs: RAID 5 ... 214.31 |==================== mdadm Btrfs: RAID 6 ... 179.73 |================= mdadm EXT4: RAID 0 .... 421.37 |======================================== mdadm EXT4: RAID 1 .... 110.32 |========== mdadm EXT4: RAID 10 ... 163.86 |=============== mdadm EXT4: RAID 5 .... 146.07 |============== mdadm EXT4: RAID 6 .... 134.18 |============= mdadm XFS: RAID 0 ..... 393.49 |===================================== mdadm XFS: RAID 1 ..... 115.51 |=========== mdadm XFS: RAID 10 .... 166.75 |================ mdadm XFS: RAID 5 ..... 151.05 |============== mdadm XFS: RAID 6 ..... 129.62 |============ mdadm F2FS: RAID 0 .... 387.04 |===================================== mdadm F2FS: RAID 1 .... 109.58 |========== mdadm F2FS: RAID 10 ... 177.32 |================= mdadm F2FS: RAID 5 .... 149.41 |============== mdadm F2FS: RAID 6 .... 131.26 |============ Flexible IO Tester 2.1.11 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Native Btrfs: RAID 0 .. 824.97 |======================================= Native Btrfs: RAID 1 .. 323.80 |=============== Native Btrfs: RAID 10 . 450.78 |===================== Native Btrfs: RAID 5 .. 869.68 |========================================= Native Btrfs: RAID 6 .. 960.89 |============================================= mdadm Btrfs: RAID 1 ... 854.98 |======================================== mdadm Btrfs: RAID 10 .. 843.68 |======================================== mdadm Btrfs: RAID 5 ... 879.09 |========================================= mdadm Btrfs: RAID 6 ... 925.05 |============================================ mdadm EXT4: RAID 1 .... 303.30 |============== mdadm EXT4: RAID 5 .... 957.59 |============================================= mdadm XFS: RAID 1 ..... 301.16 |============== mdadm F2FS: RAID 1 .... 299.58 |============== mdadm F2FS: RAID 6 .... 997.53 |=============================================== Flexible IO Tester 2.1.11 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Native Btrfs: RAID 0 .. 319.41 |============================== Native Btrfs: RAID 1 .. 130.32 |============ Native Btrfs: RAID 10 . 272.19 |========================= Native Btrfs: RAID 5 .. 242.55 |====================== Native Btrfs: RAID 6 .. 208.96 |=================== mdadm Btrfs: RAID 0 ... 385.34 |==================================== mdadm Btrfs: RAID 1 ... 109.97 |========== mdadm Btrfs: RAID 10 .. 161.90 |=============== mdadm Btrfs: RAID 5 ... 209.60 |=================== mdadm Btrfs: RAID 6 ... 172.72 |================ mdadm EXT4: RAID 0 .... 508.73 |=============================================== mdadm EXT4: RAID 1 .... 115.34 |=========== mdadm EXT4: RAID 10 ... 199.95 |================== mdadm EXT4: RAID 5 .... 192.80 |================== mdadm EXT4: RAID 6 .... 155.78 |============== mdadm XFS: RAID 0 ..... 398.74 |===================================== mdadm XFS: RAID 1 ..... 115.82 |=========== mdadm XFS: RAID 10 .... 214.94 |==================== mdadm XFS: RAID 5 ..... 197.19 |================== mdadm XFS: RAID 6 ..... 154.10 |============== mdadm F2FS: RAID 0 .... 419.29 |======================================= mdadm F2FS: RAID 1 .... 113.35 |========== mdadm F2FS: RAID 10 ... 200.36 |=================== mdadm F2FS: RAID 5 .... 196.78 |================== mdadm F2FS: RAID 6 .... 152.53 |============== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better Native Btrfs: RAID 0 .. 41.43 |============================== Native Btrfs: RAID 1 .. 35.10 |========================== Native Btrfs: RAID 10 . 38.33 |============================ Native Btrfs: RAID 5 .. 38.87 |============================ Native Btrfs: RAID 6 .. 38.20 |============================ mdadm Btrfs: RAID 0 ... 39.60 |============================= mdadm Btrfs: RAID 1 ... 34.03 |========================= mdadm Btrfs: RAID 10 .. 37.80 |============================ mdadm Btrfs: RAID 5 ... 33.37 |======================== mdadm Btrfs: RAID 6 ... 30.43 |====================== mdadm EXT4: RAID 0 .... 38.97 |============================ mdadm EXT4: RAID 1 .... 33.90 |========================= mdadm EXT4: RAID 10 ... 37.03 |=========================== mdadm EXT4: RAID 5 .... 31.10 |======================= mdadm EXT4: RAID 6 .... 32.27 |======================== mdadm XFS: RAID 0 ..... 42.43 |=============================== mdadm XFS: RAID 1 ..... 34.07 |========================= mdadm XFS: RAID 10 .... 39.57 |============================= mdadm XFS: RAID 5 ..... 32.10 |======================= mdadm XFS: RAID 6 ..... 30.93 |======================= mdadm F2FS: RAID 0 .... 65.87 |================================================ mdadm F2FS: RAID 1 .... 53.50 |======================================= mdadm F2FS: RAID 10 ... 62.87 |============================================== mdadm F2FS: RAID 5 .... 56.37 |========================================= mdadm F2FS: RAID 6 .... 50.73 |===================================== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better Native Btrfs: RAID 0 .. 83.73 |======================================== Native Btrfs: RAID 1 .. 69.03 |================================= Native Btrfs: RAID 10 . 77.07 |===================================== Native Btrfs: RAID 5 .. 79.87 |======================================= Native Btrfs: RAID 6 .. 75.47 |==================================== mdadm Btrfs: RAID 0 ... 92.00 |============================================ mdadm Btrfs: RAID 1 ... 64.00 |=============================== mdadm Btrfs: RAID 10 .. 75.60 |==================================== mdadm Btrfs: RAID 5 ... 64.73 |=============================== mdadm Btrfs: RAID 6 ... 56.80 |=========================== mdadm EXT4: RAID 0 .... 90.40 |============================================ mdadm EXT4: RAID 1 .... 99.57 |================================================ mdadm EXT4: RAID 10 ... 78.13 |====================================== mdadm EXT4: RAID 5 .... 84.07 |========================================= mdadm EXT4: RAID 6 .... 70.43 |================================== mdadm XFS: RAID 0 ..... 88.73 |=========================================== mdadm XFS: RAID 1 ..... 68.90 |================================= mdadm XFS: RAID 10 .... 81.70 |======================================= mdadm XFS: RAID 5 ..... 58.10 |============================ mdadm XFS: RAID 6 ..... 53.83 |========================== mdadm F2FS: RAID 0 .... 86.57 |========================================== mdadm F2FS: RAID 1 .... 80.63 |======================================= mdadm F2FS: RAID 10 ... 77.97 |====================================== mdadm F2FS: RAID 5 .... 75.50 |==================================== mdadm F2FS: RAID 6 .... 67.83 |================================= FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better Native Btrfs: RAID 0 .. 40.73 |============================= Native Btrfs: RAID 1 .. 35.63 |========================== Native Btrfs: RAID 10 . 38.50 |============================ Native Btrfs: RAID 5 .. 39.17 |============================ Native Btrfs: RAID 6 .. 37.73 |=========================== mdadm Btrfs: RAID 0 ... 39.43 |============================= mdadm Btrfs: RAID 1 ... 33.43 |======================== mdadm Btrfs: RAID 10 .. 36.93 |=========================== mdadm Btrfs: RAID 5 ... 32.10 |======================= mdadm Btrfs: RAID 6 ... 30.63 |====================== mdadm EXT4: RAID 0 .... 38.73 |============================ mdadm EXT4: RAID 1 .... 34.80 |========================= mdadm EXT4: RAID 10 ... 36.80 |=========================== mdadm EXT4: RAID 5 .... 31.00 |====================== mdadm EXT4: RAID 6 .... 32.00 |======================= mdadm XFS: RAID 0 ..... 40.73 |============================= mdadm XFS: RAID 1 ..... 32.77 |======================== mdadm XFS: RAID 10 .... 35.83 |========================== mdadm XFS: RAID 5 ..... 30.33 |====================== mdadm XFS: RAID 6 ..... 29.23 |===================== mdadm F2FS: RAID 0 .... 66.40 |================================================ mdadm F2FS: RAID 1 .... 53.57 |======================================= mdadm F2FS: RAID 10 ... 61.30 |============================================ mdadm F2FS: RAID 5 .... 52.47 |====================================== mdadm F2FS: RAID 6 .... 51.40 |===================================== IOzone 3.405 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better Native Btrfs: RAID 0 .. 1142.43 |============================================== Native Btrfs: RAID 1 .. 584.85 |======================== Native Btrfs: RAID 10 . 599.32 |======================== Native Btrfs: RAID 5 .. 876.77 |=================================== Native Btrfs: RAID 6 .. 598.43 |======================== mdadm Btrfs: RAID 0 ... 1141.18 |============================================== mdadm Btrfs: RAID 1 ... 280.39 |=========== mdadm Btrfs: RAID 10 .. 478.65 |=================== mdadm Btrfs: RAID 5 ... 438.55 |================== mdadm Btrfs: RAID 6 ... 315.85 |============= mdadm EXT4: RAID 0 .... 1111.26 |============================================= mdadm EXT4: RAID 1 .... 302.75 |============ mdadm EXT4: RAID 10 ... 585.30 |======================== mdadm EXT4: RAID 5 .... 441.27 |================== mdadm EXT4: RAID 6 .... 385.39 |================ mdadm XFS: RAID 0 ..... 1111.56 |============================================= mdadm XFS: RAID 1 ..... 303.50 |============ mdadm XFS: RAID 10 .... 588.42 |======================== mdadm XFS: RAID 5 ..... 580.95 |======================= mdadm XFS: RAID 6 ..... 473.17 |=================== mdadm F2FS: RAID 0 .... 1100.42 |============================================ mdadm F2FS: RAID 1 .... 303.32 |============ mdadm F2FS: RAID 10 ... 566.14 |======================= mdadm F2FS: RAID 5 .... 421.86 |================= mdadm F2FS: RAID 6 .... 350.84 |============== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Native Btrfs: RAID 0 .. 206.74 |========================== Native Btrfs: RAID 1 .. 187.72 |======================= Native Btrfs: RAID 10 . 177.54 |====================== Native Btrfs: RAID 5 .. 189.59 |======================== Native Btrfs: RAID 6 .. 195.02 |======================== mdadm Btrfs: RAID 0 ... 178.31 |====================== mdadm Btrfs: RAID 1 ... 160.58 |==================== mdadm Btrfs: RAID 10 .. 156.97 |==================== mdadm Btrfs: RAID 5 ... 156.21 |=================== mdadm Btrfs: RAID 6 ... 151.64 |=================== mdadm EXT4: RAID 0 .... 325.18 |======================================== mdadm EXT4: RAID 1 .... 303.04 |====================================== mdadm EXT4: RAID 10 ... 306.37 |====================================== mdadm EXT4: RAID 5 .... 316.17 |======================================= mdadm EXT4: RAID 6 .... 320.82 |======================================== mdadm XFS: RAID 0 ..... 264.38 |================================= mdadm XFS: RAID 1 ..... 228.19 |============================ mdadm XFS: RAID 10 .... 228.20 |============================ mdadm XFS: RAID 5 ..... 255.99 |================================ mdadm XFS: RAID 6 ..... 271.62 |================================== mdadm F2FS: RAID 0 .... 331.33 |========================================= mdadm F2FS: RAID 1 .... 328.79 |========================================= mdadm F2FS: RAID 10 ... 352.47 |============================================ mdadm F2FS: RAID 5 .... 377.77 |=============================================== mdadm F2FS: RAID 6 .... 348.76 |===========================================