Comparativa RAID 1 vs 10 Running pts/aio-stress-1.1.1, pts/sqlite-1.9.0, pts/fs-mark-1.0.1, pts/dbench-1.0.0, pts/iozone-1.8.0, pts/tiobench-1.2.0, pts/unpack-linux-1.0.0, pts/postmark-1.1.0, pts/compress-gzip-1.1.0, pts/apache-1.6.1 via the Phoronix Test Suite. RAID 1: Processor: 2 x Intel Xeon E5-2623 v3 @ 3.50GHz (16 Cores), Motherboard: Supermicro X10DRU-i+, Chipset: Intel Xeon E5 v3/Core, Memory: 8 x 8192 MB 2133MHz Samsung, Disk: 998GB SMC2108, Graphics: ASPEED ASPEED Family, Network: Intel 82599ES 10-Gigabit SFI/SFP+ OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 RAID 10: Processor: 2 x Intel Xeon E5-2623 v3 @ 3.50GHz (16 Cores), Motherboard: Supermicro X10DRU-i+, Memory: 8 x 8192 MB 2133MHz Samsung, Disk: 998GB SMC2108 OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 RAID 1 2 best disks: Processor: 2 x Intel Xeon E5-2623 v3 @ 3.50GHz (16 Cores), Motherboard: Supermicro X10DRU-i+, Memory: 8 x 8192 MB 2133MHz Samsung, Disk: 499GB SMC2108 OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 RAID 1 2 worst disks: Processor: 2 x Intel Xeon E5-2623 v3 @ 3.50GHz (16 Cores), Motherboard: Supermicro X10DRU-i+, Memory: 8 x 8192 MB 2133MHz Samsung, Disk: 499GB SMC2108 OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 RAID 1 alternative order: Processor: 2 x Intel Xeon E5-2623 v3 @ 3.50GHz (16 Cores), Motherboard: Supermicro X10DRU-i+, Memory: 8 x 8192 MB 2133MHz Samsung, Disk: 998GB SMC2108 OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 RAID 10 alternative order: Processor: 2 x Intel Xeon E5-2623 v3 @ 3.50GHz (16 Cores), Motherboard: Supermicro X10DRU-i+, Memory: 8 x 8192 MB 2133MHz Samsung, Disk: 998GB SMC2108 OS: CentOS Linux 7, Kernel: 3.10.0-229.20.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.3 20140911, File-System: xfs, Screen Resolution: 1024x768 AIO-Stress 0.21 Random Write MB/s > Higher Is Better RAID 1 .................... 1866.36 |===================================== RAID 10 ................... 1901.73 |====================================== RAID 1 2 best disks ....... 1934.67 |======================================= RAID 1 2 worst disks ...... 2106.00 |========================================== RAID 1 alternative order .. 1932.17 |======================================= RAID 10 alternative order . 1918.38 |====================================== SQLite 3.8.10.2 Timed SQLite Insertions Seconds < Lower Is Better RAID 1 .................... 4.66 |========== RAID 10 ................... 16.45 |=================================== RAID 1 2 best disks ....... 9.90 |===================== RAID 1 2 worst disks ...... 20.94 |============================================ RAID 1 alternative order .. 16.87 |=================================== RAID 10 alternative order . 18.38 |======================================= FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better RAID 1 .................... 85.60 |============================================ RAID 10 ................... 64.93 |================================= RAID 1 2 best disks ....... 60.67 |=============================== RAID 1 2 worst disks ...... 56.37 |============================= RAID 1 alternative order .. 66.13 |================================== RAID 10 alternative order . 67.50 |=================================== Dbench 4.0 12 Clients MB/s > Higher Is Better RAID 1 .................... 6706.05 |========================================== RAID 10 ................... 694.51 |==== RAID 1 2 best disks ....... 1350.60 |======== RAID 1 2 worst disks ...... 438.03 |=== RAID 1 alternative order .. 669.61 |==== RAID 10 alternative order . 706.34 |==== Dbench 4.0 48 Clients MB/s > Higher Is Better RAID 1 .................... 5732.28 |========================================== RAID 10 ................... 390.54 |=== RAID 1 2 best disks ....... 333.56 |== RAID 1 2 worst disks ...... 204.26 |= RAID 1 alternative order .. 331.17 |== RAID 10 alternative order . 399.21 |=== Dbench 4.0 128 Clients MB/s > Higher Is Better RAID 1 .................... 2334.20 |========================================== RAID 10 ................... 88.48 |== RAID 1 2 best disks ....... 61.65 |= RAID 1 2 worst disks ...... 29.96 |= RAID 1 alternative order .. 81.86 |= RAID 10 alternative order . 86.31 |== Dbench 4.0 1 Clients MB/s > Higher Is Better RAID 1 .................... 655.71 |=========================================== RAID 10 ................... 221.23 |=============== RAID 1 2 best disks ....... 247.20 |================ RAID 1 2 worst disks ...... 191.73 |============= RAID 1 alternative order .. 218.74 |============== RAID 10 alternative order . 229.59 |=============== IOzone 3.405 8GB Read Performance MB/s > Higher Is Better RAID 1 .................... 4096.36 |========================================= RAID 10 ................... 4193.05 |========================================== RAID 1 2 best disks ....... 4158.94 |========================================== RAID 1 2 worst disks ...... 4180.81 |========================================== RAID 1 alternative order .. 4151.87 |========================================== RAID 10 alternative order . 4011.53 |======================================== IOzone 3.405 8GB Write Performance MB/s > Higher Is Better RAID 1 .................... 121.26 |========================================== RAID 10 ................... 114.13 |======================================== RAID 1 2 best disks ....... 74.83 |========================== RAID 1 2 worst disks ...... 70.75 |========================= RAID 1 alternative order .. 115.51 |======================================== RAID 10 alternative order . 124.01 |=========================================== Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better RAID 1 .................... 9855.92 |======================================= RAID 10 ................... 9485.61 |====================================== RAID 1 2 best disks ....... 10367.64 |========================================= RAID 1 2 worst disks ...... 9824.05 |======================================= RAID 1 alternative order .. 10240.79 |======================================== RAID 10 alternative order . 9479.46 |===================================== Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better RAID 1 .................... 3.29 |============================================= RAID 10 ................... 1.79 |======================== RAID 1 2 best disks ....... 1.14 |================ RAID 1 2 worst disks ...... 0.87 |============ RAID 1 alternative order .. 1.91 |========================== RAID 10 alternative order . 1.91 |========================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better RAID 1 .................... 9.04 |============================================ RAID 10 ................... 8.99 |============================================ RAID 1 2 best disks ....... 9.05 |============================================ RAID 1 2 worst disks ...... 9.05 |============================================ RAID 1 alternative order .. 9.22 |============================================= RAID 10 alternative order . 9.22 |============================================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better RAID 1 .................... 4191 |============================================= RAID 10 ................... 3750 |======================================== RAID 1 2 best disks ....... 3865 |========================================= RAID 1 2 worst disks ...... 3802 |========================================= RAID 1 alternative order .. 3768 |======================================== RAID 10 alternative order . 3768 |======================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better RAID 1 .................... 12.38 |============================================ RAID 10 ................... 12.29 |============================================ RAID 1 2 best disks ....... 12.18 |=========================================== RAID 1 2 worst disks ...... 12.06 |=========================================== RAID 1 alternative order .. 12.14 |=========================================== RAID 10 alternative order . 12.12 |=========================================== Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better RAID 1 .................... 29139.93 |========================================= RAID 10 ................... 16703.59 |======================== RAID 1 2 best disks ....... 17045.46 |======================== RAID 1 2 worst disks ...... 16212.87 |======================= RAID 1 alternative order .. 16510.09 |======================= RAID 10 alternative order . 16676.44 |=======================