RAC upgrade from 10.1.0.5 to 10.2.0.4 on ASM
I have to upgrade rac database from 10.1.0.5 to 10.2.0.4.Please let me know the best way to upgrade using ASM.If you will give a brief steps which has been used for real upgrade then it will be a great help.
(1)Can we upgrade 10.1.0.5 crs software if yes then what are the steps?
(2)we can upgrade the db by installing new software(10.2.0.4)
(3)How to deal with ASM as asm has been introduced in 10.2.x only.
(4)How to upgrade existing OCR and Voting Disk?
Please give me some guide line for smooth start.
Regards,
MK