I want RPO of 15 mins and RTO of 30 mins between my DC and DR location which are 1000 Kms apart. Application is Linux based and Databases are PostgressDB, SQL amd NoSQL databases etc. Total Data size will be 1PB and daily rate of data change will be 20-50 GB per day.
Looking for a solution, tools, and process to achieve the same with fall-in and fall-back procedures.