Changing GLOBAL_NAME in 11g RAC

Hi, All -
I am running a two node RAC 11g (11.1.0.7) database on RHEL5. I need to change the GLOBAL_NAME.
SQL> select * from global_name;
GLOBAL_NAME
dbname
SQL> ALTER DATABASE RENAME GLOBAL_NAME TO dbname.companyname.com
I just want to confirm that I only have to run this on one node and fix the db links.
Are there any other steps involved since it is a RAC environment?
Thanks in advance!

check this
http://asanga-pradeep.blogspot.com/2010/08/changing-global-name-and-domain-name-in.html
http://download.oracle.com/docs/cd/B19306_01/server.102/b14228/best_gen.htm#CHDHCGJJ

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Changing GLOBAL_NAME in 11g RAC

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