Re: 2. No, it is not in your sense. Locking is again done on local node first before commit. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3962328#3962328 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3962328