I'm currently building a new Windows 2008 R2/SQL 2K8 Failover Cluster and waiting for SAN disks provisioning from the storage team. I am also planning to run a disk I/O measurement tool and save the result as a baseline metrics for future references.
One tool comes in mind is SolarWind SAN Monitor for EMC Clariion.
Are there any other good free tools that I can use? And also, what are the key elements that are essential to disk performance and I should incorporate into my test? Almost new to this area.