We're attempting a pilot project for RAC 10g(10.2.0.4) on 11g clusterware(11.1.0.7) and 11g ASM., all kernel: 2.6.18-128.el5 on hp servers. We're having fits with kernel panics, kernel bugs, etc. Who is running this setup successfully and if you don't mind what is your setup? thanks, joe _______________________________________ Joe Testa, Oracle Certified Professional Senior Consultant Data Engineering and Administration Nationwide Investments (Work) 614-677-1668 (Cell) 614-312-6715 Interested in helping out your marriage? Ask me about "Weekend to Remember" Dec 11-13, 2009 here in Columbus.