This is a really cool idea and actually puts some of the off the shelf technology to good use. http://blogs.zdnet.com/storage/?p=220&tag=nl.e539 Phillip C. Thayer Sr. System Engineer, Vital Support Systems 2700 Bi-State Dr. Suite 500 Kansas City, MO 64108 (816) 977-2220 - Desk (816) 985-0799 - Cell HP-UX / OpenVMS CSE ASE - HP StorageWorks APP - Enterprise Solutions APC - HP Ent. Storage Solutions/Superdome