I have included the FQDN in /etc/hosts for all the RAC installations that I remember doing. Not including it never really occurred to me. Why would you leave it out? -Jeremy Niall Litchfield wrote: > Can anyone think of a reason *not* to have the FQDN of a Linux 11GR2 > host in it's /etc/hosts file. eg > 10.10.10.10 hostname.domain hostname > instead of > 10.10.10.10 hostname -- http://www.ardentperf.com +1 312-725-9249 Jeremy Schneider Chicago -- //www.freelists.org/webpage/oracle-l