You have the ability to view the per volume statistics by going to MONITOR/PERFORMANCE and then selecting the VOLUME that you are interested in. You can also get similar information for a group of volumes by selecting the PERFORMANCE tab from the MANAGE/VOLUMES page. Once on the page you can sort by volume name. If you are running in a VMware environment, per VM statistics are coming to InfoSight. Here is a link to the recent public demo. Nimble Storage Performance Correlation Analysis Demo on Vimeo.