Need to change IP address and host name on a ORACLE 10g RAC setup.

Hi Forum,
I have a task to change the IP address, host name and host related details for the ORACLE 10g RAC 2 node setup. So Can anyone tell me the procedure to do the same on both the nodes.
Regards
Prakash

change IP Address Public + VIP + Interconnect
http://surachartopun.com/2007/01/i-want-to-change-ip-address-on-oracle.html
change VIP name
http://surachartopun.com/2009/01/change-vip-hostname-on-oracle-rac.html
If you'd like to change HOSTNAME... Metalink (NOTE:220970.1)
Can I change the public hostname in my Oracle Database 10g Cluster using Oracle Clusterware?
Hostname changes are not supported in Oracle Clusterware (CRS), unless you want to perform a deletenode followed by a new addnode operation.
The hostname is used to store among other things the flag files and Oracle Clusterware stack will not start if hostname is changed.
Changing the Private Interconnect
o Change of the IP Address: change the IP address in the hosts file and/or DNS and make sure that ASM and the database also use the same interconnect
o Change of the private node name used by Oracle Clusterware: requires a reinstall of Oracle Clusterware
So, Public or Private hostnames can only be changed by removing/adding nodes, or reinstalling Oracle Clusterware. VIP Hostnames can be changed
But you can read this idea (reinstall CRS)
http://www.pythian.com/news/482/changing-hostnames-in-oracle-rac
http://surachartopun.com/2008/12/change-hostnames-oracle-rac.html
Edited by: Surachart Opun (HunterX) on Oct 25, 2009 10:58 PM

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