OEM 13cR5 Host IP Change and Repository Database 19c Migration to Another Datacenter via Data Guard Failover
This blog outlines the high-level steps taken to execute two major Oracle Enterprise Manager (OEM) infrastructure changes with minimal downtime to monitoring continuity. Change the IP address of the OEM 13cR5 host server. Migrate the OEM repository database (Oracle 19c) to secondary datacenter using Data Guard failover. Environment details: Component CMO (Current Mode of Operation) FMO (Future Mode of Operation / Post-Migration) OS Oracle Linux 8 (All Nodes) Oracle Linux 8 (All Nodes) OEM Installation Host/IP dbsrv09.localdomain / 192.168.56.110 dbsrv09.localdomain / 192.168.56.109 OEM Version 13c Release 5 (13.5.0.0.0) 13c Release 5 (13.5.0.0.0) Repository DB Node (Primary) dbsrv05.localdomain dbsrv06.localdomain (Post Data Guard Failover) Repository DB Node (Standby) dbsrv06.localdomain ...