StorageVIEW is a free VMware assessment tool that focuses on providing visibility into the storage components of your VMware environment, such as:
• Top five host/datastore paths with the highest latency
• Listing of the associated VMs for these high latency paths
• Throughput information for each VM in the high latency path
It’s Free to use, simple to download, this less-than-10MB desktop tool provides near instant visibility into the top five host/datastore pairs and their associated VMs with the highest latency.