Installation

Zero Downtime Migration (ZDM) is Oracle’s orchestration engine for physical and logical database migrations into OCI — it doesn’t move data itself so much as drive Data Guard, RMAN, Data Pump, and GoldenGate through a coordinated migration workflow. Before any of that, though, ZDM needs its own service host set up correctly. This walks through that installation end to end. Prerequisites ZDM host placement. The ZDM service can run on an OCI compute instance, an on-premises server, or a VM in another cloud — the only hard requirement is network reachability to both the source and target database hosts. It does not need to sit on either database server itself, and in most real deployments it shouldn’t. ...