Hello, Chris, I now have a better understanding of the reasons behind using LSF. I won't force you to switch to SGE. SGE will continue to improve and eventually you will be willing to switch... 8-) I will continue the discussion on the SGE mailing list. (Chris is/was on that list too) For interested people, my design of the new fail over model is available at -- http://gridengine.sunsource.net/servlets/ReadMsg?msgId=4316&listName=users And SGE opensource homepage -- http://gridengine.sunsource.net Thanks, -Ron __________________________________________________ Do You Yahoo!? Yahoo! Health - your guide to health and wellness http://health.yahoo.com