PSU and CPU patch for RAC database.
I would like to apply the CPU or PSU for our RAC database which are running on SUN SPARC(SunOS 5.10 )
and Linux 4 so i would like to know
1) What need to carry out as a DBA before start the patch for RAC Env?
2) Do i need to apply the pathch(PSU or CPU) for ASM and CRS home?
Thanks a lot in Advance.