Permissions question

New server. RH 5. 10gR2.

Oracle account was set up a default group of oracle (not dba, though the dba group does exist). Foolhardy DBA (moi) did not check the group before installing the s/w and creating the database. I would like to "correct" this as quickly as possible and wonder what anyone thinks about the following idea:

1. Shutdown everything
2. Get the default group changed to dba in /etc/passwd. I know I can change the group when I am logged in, but want to make it "clean" for everyone going forward.
3. Do a chgrp -R dba on ALL oracle-related files including ORACLE_HOME and all the datafiles
4. Restart

Thanks,
-joe  

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