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 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 |======================================= 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 |==================================== 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 |=================================== 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 |==== 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 |== 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 |== 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 |=============== 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 |=========================================== 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 |========================================== 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 |========================================= 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 |=========================== 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 |============================================== 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 |========================================= 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 |============================================ 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 |========================