Jacob, Check //www.freelists.org/archives/oradebug/10-2004/msg00000.html for some info on this.. -- Best Regards, K Gopalakrishnan Co-Author: Oracle Wait Interface, Oracle Press 2004 http://www.amazon.com/exec/obidos/tg/detail/-/007222729X/ Author: Oracle Database 10g RAC Handbook, Oracle Press 2006 http://www.amazon.com/gp/product/007146509X/ -- //www.freelists.org/webpage/oracle-l