VMware IO Analyzer
VMware I/O Analyzer is an integrated framework designed to measure storage performance in a virtualenvironment and to help diagnose storage performance concerns. I/O Analyzer, supplied as an easy-to-deployvirtual appliance, automates storage performance analysis through a unified interface that can be used toconfigure and deploy storage tests and view graphical results for those tests.
I/O Analyzer can use Iometer to generate synthetic I/O loads or a trace replay tool to deploy real applicationworkloads. It uses the VMware VI SDK to remotely collect storage performance statistics from VMwareESX/ESXi hosts. Standardizing load generation and statistics collection allows users and VMware engineers tohave a high level of confidence in the data collected.
The virtual appliance VMware IO Analyzer is a VMware Fling. You can find it here.
I/O Analyzer Usage Modes
I/O Analyzer has a number of modes that can be used to measure a storage system’s performance:
I/O Analyzer also includes a number of features and utilities that allow convenient creation, scheduling, andmonitoring of tests, as well as detailed analysis of test results.
VMware IO Analyzer Installation and Tuning can be found here.