Before installing any Oracle RAC patch or patchset software:

■ Review the latest information on supported Oracle RAC patches and patchsets:
http://www.symantec.com/business/support/index?page=content&id=DOC5081

To apply Oracle patches

1 Freeze the service group that contains the Oracle resource and the cssd
resource:
       # hagrp -freeze grp_name

2 Install the patches or patchsets required for your Oracle RAC installation.
     See the Oracle documentation that accompanies the patch or patchset.
If the patch is for Oracle database software, after applying the patch, before
starting the database or database instance, relink the SF Oracle RAC libraries
with Oracle libraries.

3 Unfreeze the service group that contains the Oracle resource and the cssd
resource:
      # hagrp -unfreeze grp_name