TIO random write TIO random write on bare metal random write: Processor: Intel Core i7-3770 @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z77X-UD5H, Chipset: Intel 3rd Gen Core DRAM, Memory: 4 x 8192 MB DDR3-1333MHz, Disk: 2 x 1000GB Western Digital WD1003FBYX-0 + 2 x 1000GB Hitachi HDS72101, Graphics: Intel 3rd Gen Core, Audio: Intel 7 Family HD Audio, Network: Intel 82579V Gigabit Connection OS: CentOS 6.3, Kernel: 2.6.32-279.el6.x86_64 (x86_64), Compiler: GCC 4.4.6 20120305, File-System: ext4, Screen Resolution: 1280x1024 Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better random write . 16.05 |========================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 8 MB/s > Higher Is Better random write . 15.40 |========================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 4 MB/s > Higher Is Better random write . 10.62 |========================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 8 MB/s > Higher Is Better random write . 10.04 |========================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better random write . 6.52 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 128MB - Thread Count: 8 MB/s > Higher Is Better random write . 6.29 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better random write . 4.56 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 256MB - Thread Count: 8 MB/s > Higher Is Better random write . 4.10 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 16 MB/s > Higher Is Better random write . 15.17 |========================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 32 MB/s > Higher Is Better random write . 11.84 |========================================================= Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 16 MB/s > Higher Is Better random write . 9.84 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 64MB - Thread Count: 32 MB/s > Higher Is Better random write . 8.24 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 128MB - Thread Count: 16 MB/s > Higher Is Better random write . 6.07 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 128MB - Thread Count: 32 MB/s > Higher Is Better random write . 5.48 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 256MB - Thread Count: 16 MB/s > Higher Is Better random write . 4.03 |========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 256MB - Thread Count: 32 MB/s > Higher Is Better random write . 3.73 |==========================================================