Hi I am looking to see what is the best option to have DR solution that can be Primary with no loss or downtime. Looking for best practices even it is expensive solution. Appreciate for any document or link as I am sure lots has done work on it. One of the requirement is that database is around 10Tb and transaction logs will be be not more than 50G in an hour. 1. Can see 11g Active Dataguard which can be used for Reporting as well as DR solution 2. Storage Replication Rgds Sanjay