Database Install/Upgrade/Opatch (MOSC)

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Efficient way(s) + scenario(s) to upgrade DBs from 11g to 19c in RAC + Dataguard mode

edited May 2, 2023 8:55AM in Database Install/Upgrade/Opatch (MOSC) 6 commentsAnswered

Hello,

We have to migrate 5 Dbs in production environment from 11G to 19C the DBs are in RAC + Data Guard mode, we are in ODA Architecture. I work in a hospital so a criticial environment , our top management ask for a minimum of unavailability. What are the efficient ways or and scenarios to to this upgrade in a safe condition. We have a big pressure because currently we have to put the hospital in degraded mode during 8 hours it is too long ...

Oracle 11G : 11.2.0.4.0 in Oracle Linux Server 7.8

Oracle 19C : 19.8.0.0 in Oracle Linux Server 7.8

Thanks for your feedback.

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