Minimizing Downtime during Upgrade
We are in process of upgrade from R/3 4.7 EE 2.00 to ECC 6.0 SR3.
The details of legacy and new landscape is as follows :
OS Solaris 9
DB Oracle 9.2.04
SAP R/3 4.7 EE 2.00
OS Solaris 10
DB Oracle 10g
SAP ECC 6.0 SR3
We have taken the offline backup of Live PRD and restored it on to Stand by server. We have also upgrade oracle 9i to 10g, which has taken around 20 hours.
My question is, we want to minimize the downtime by directly installing Oracle 10g with R/3 4.7 EE and the take the offline/online backup of live PRD system and restored back to oracle 10g enviroment. By doing this we can reduce the downtime by aprrox 15 hrs.
Is this scenario is possible ? Please give your valuable suggestion from your last experiences.