Found this out myself last week and answered the same issue for someone else yesterday. The max quota you can set is 4GB (using 4000000) and anything over will result in a seemingly random quota limit as it takes a 32-bit bit mask of what you have given over 4GB
-- --------------------------------------------------------------- Paul Raines email: raines at nmr.mgh.harvard.edu MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging 149 (2301) 13th Street Charlestown, MA 02129 USA --- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html