upgrading oracle version on RAC

Hi Team,

We have newly setup 2 (physical) node RAC on RHEL4AS.
Current Oracle is 10.2.0.1 which needs to be upgraded 10.2.0.3
to accomplish this i need to know

1. where will i get the patch to upgrade oracle on RAC
2. does it has any impact on the existing RAC setup

Please guide us on this

Thanks,
Mallikarjun

1) From Metalink.
2) No if you follow the instructions and correct upgrade path.
:rolleyes: