Time and rollback plan in ODA upgrade
Hi,
We are planning to upgrade ODA 2.9 to 12.1.2.0.0.
Please let me know how much time it will take for complete upgrade, so accordingly we can plan for downtime.
Also, I am referring README of p19690105 for upgradation,but there is no Rollback plan mentioned in it(if something goes wrong).
So can I have rollback plan for it