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