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Minimizing Downtime during Upgrade

Hi All,

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 :

Legacy Landscape

OS Solaris 9

DB Oracle 9.2.04

SAP R/3 4.7 EE 2.00

New Landscape

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.

Thanks,

Kshitiz Goyal

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