I’m tying to (learn how to) install Oracle RAC 11g on CentOS 6 all went OK so far but I get INS-40719 Error message regarding SCAN Name I do not have DNS server and I’m not going to try to use it on this setup I add this line to /etc/hosts 192.168.244.100 rac-cluster then used “rac-cluster” as the SCAN name and it’s still not working with the same error message! any one can guide me [...]

In an attempt to reduce the complexity of a solution, I’ve been asked to convert a two node Oracle 10g RAC production database to single instance. The database is running on RHEL5 with ASM on SAN. I imagine at least the following steps will be required: Remove the instances from cluster ready services Restrict the second node’s access to shared storage Remove redo logs for second instance Drop undo tablespace for second instance Remove references [...]