hi alll i read in this slide from david chou http://www.slideshare.net/davidcchou/cloudconnect-2011-building-highly-scalable-java-applications-on-windows-azure an intersting area that i want to know 1. fabric controller between VM and Storage, any tips for OS implementation? how the Nova and OS Storage linking each other. 2. how a storage use by , may be mysql, as database storage, and how the impact with mysql cluster. or mysql is not recommended server for openstack. -- Frans Thamura (曽志胜) Chief of Advisory Meruvian. Integrated Hypermedia Java Solution Provider. Mobile: +628557888699 Blog: http://blogs.mervpolis.com/roller/flatburger (id) FB: http://www.facebook.com/meruvian TW: http://www.twitter.com/meruvian / @meruvian Website: http://www.meruvian.org "We grow because we share the same belief."