We are looking to use DMO with System Move to migrate ECC Oracle from on-premise to AWS Suite on HANA; we will do a Test Migration before doing a real one. We now know that downtime at the source is inevitable (even for a Test Migration). And a high-level we expect it to be:
Question: What's your experience on step (6) above? How long did the reset took, say for a 2TB DB?
From DMO Guide, looks like it is just meant to drop the shadow tables so expect generally shouldn't last more than half an hour. Thoughts?