Large fio 2 x AMD Opteron 6128 testing with a and on CentOS 5.4 via the Phoronix Test Suite. 2012-03-14 08:23: Processor: 2 x AMD Opteron 6128 @ 2.00GHz (2 Cores), Memory: 4096MB, Disk: 19GB OS: CentOS 5.4, Kernel: 2.6.18-164.el5xen (x86_64), Compiler: GCC 4.1.2, File-System: ext3 Flexible IO Tester 1.57 Test: Intel IOMeter File Server Access Pattern Seconds (Run Time) < Lower Is Better 2012-03-14 08:23 . 299.01 |==================================================== Flexible IO Tester 1.57 Test: Example Network Job Seconds (Run Time) < Lower Is Better 2012-03-14 08:23 . 78.99 |=====================================================