HP DL380p Gen8 4 disk RAID5 vs RAID1+0 Benchmarking the difference between RAID 5 and RAID 1+0 on a HP ProLiant DL380p Gen8, using a P420i (revision B, firmware 6.00) card with 1GB cache (90% write cache), strip size of 256KB and 4 x 1.2TB 10K SFF SAS hard drives. The OS, a fresh CentOS 6.6 installation, was installed on a separate RAID1 array. RAID5: Processor: Intel Xeon E5-2620 v2 @ 2.10GHz (12 Cores), Motherboard: HP ProLiant DL380p Gen8, Chipset: Intel Xeon E7 v2/Xeon, Memory: 16384MB, Disk: 300GB LOGICAL VOLUME + 3601GB LOGICAL VOLUME, Graphics: Matrox s MGA G200EH, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5719 Gigabit PCIe OS: CentOS 6.6, Kernel: 2.6.32-504.1.3.el6.x86_64 (x86_64), Display Driver: modesetting 0.8.0, Compiler: GCC 4.4.7 20120313, File-System: ext4 RAID1+0: Processor: Intel Xeon E5-2620 v2 @ 2.10GHz (12 Cores), Motherboard: HP ProLiant DL380p Gen8, Chipset: Intel Xeon E7 v2/Xeon, Memory: 16384MB, Disk: 300GB LOGICAL VOLUME + 3601GB LOGICAL VOLUME, Graphics: Matrox s MGA G200EH, Monitor: Smart Cable, Network: Broadcom NetXtreme BCM5719 Gigabit PCIe OS: CentOS 6.6, Kernel: 2.6.32-504.1.3.el6.x86_64 (x86_64), Display Driver: modesetting 0.8.0, Compiler: GCC 4.4.7 20120313, File-System: ext4 AIO-Stress 0.21 Random Write MB/s > Higher Is Better RAID5 ... 2422.77 |============================================================ RAID1+0 . 2402.77 |============================================================ SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better RAID5 ... 6.60 |=============================================================== RAID1+0 . 6.46 |============================================================== FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better RAID5 ... 637.68 |=========================================================== RAID1+0 . 659.80 |============================================================= Dbench 4.0 12 Clients MB/s > Higher Is Better RAID5 ... 2481.36 |============================================================ RAID1+0 . 2495.30 |============================================================ Dbench 4.0 48 Clients MB/s > Higher Is Better RAID5 ... 3207.28 |============================================================ RAID1+0 . 3217.17 |============================================================ Dbench 4.0 128 Clients MB/s > Higher Is Better RAID5 ... 2909.55 |============================================================ RAID1+0 . 2920.24 |============================================================ Dbench 4.0 1 Clients MB/s > Higher Is Better RAID5 ... 605.90 |============================================================= RAID1+0 . 606.33 |============================================================= IOzone 3.405 8GB Read Performance MB/s > Higher Is Better RAID5 ... 6252.36 |============================================================ RAID1+0 . 6284.78 |============================================================ IOzone 3.405 8GB Write Performance MB/s > Higher Is Better RAID5 ... 545.22 |============================================================= RAID1+0 . 376.69 |========================================== Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better RAID5 ... 6044.46 |============================================================ RAID1+0 . 5588.19 |======================================================= Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better RAID5 ... 100.82 |================ RAID1+0 . 378.58 |============================================================= Compile Bench 0.6 Test: Compile MB/s > Higher Is Better RAID5 ... 774.83 |============================================================= RAID1+0 . 727.67 |========================================================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better RAID5 ... 181.40 |=========================================================== RAID1+0 . 188.38 |============================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better RAID5 ... 1216.16 |============================================================ RAID1+0 . 1194.60 |=========================================================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better RAID5 ... 12.02 |============================================================== RAID1+0 . 12.04 |============================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better RAID5 ... 3750 |=============================================================== RAID1+0 . 3750 |=============================================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better RAID5 ... 17.91 |============================================================== RAID1+0 . 17.92 |============================================================== PostgreSQL pgbench 8.4.11 TPC-B Transactions Per Second TPS > Higher Is Better RAID5 ... 6993.46 |========================================================= RAID1+0 . 7377.05 |============================================================ Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better RAID5 ... 17539.74 |=========================================================== RAID1+0 . 17420.15 |===========================================================