@Sebastian: We were using DB2 on Red Hat on a Blade cluster. For Hibernate we were using the default DB2 dialect. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4265441#4265441 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4265441