Previously, I blogged about setting up my benchmarking machine. Now that it's up and running, I've started exploring the fio benchmarking tool. fio - the Flexible IO Tester is an application written by Jens Axboe, who may be better known as the maintainer of the Linux kernel's block IO subsystem. It resembles the older ffsb tool in a few ways, but doesn't seem to have any relation to it. As power