Is there any problem with a node being volatile in MPICH2 If you lived here you'd be home by now Dave Hiatt Manager, Market Risk Systems Integration CitiMortgage, Inc. 1000 Technology Dr. Third Floor East, M.S. 55 O'Fallon, MO 63368-2240 Phone: 636-261-1408 Mobile: 314-452-9165 FAX: 636-261-1312 Email: Dave.M.Hiatt at citigroup.com