We are trying to deploy one Developer Portal in Production environment and another one in DR. The one in DR will standby. If the Portal in Production is down, request will be directed to the Portal in DR. We don't plan to set DB replication between Production and DR Portal.
Is there any best practice how to copy the latest data from Production to DR after Production down and before DR takes over? There are two types of changes, file based change and db change. For file based change, we can't create and export the patch from CMS since the Portal already down. For db changes, we may not be able to get DB dump because the server or db may down. Is it a working way to import patch and db dump to DR even if we have the patch and db dump?