Upgrade S/4 1909 to 2023 with Disaster recovery online replication

Hi, 

We are upgrading a S4 Hana from 1909 to 2023, and nowadays the PRD situation has a online replication of the DB to a Disaster Recovery successful different location. 

Is it indispensable to disconnect online replication until the extremity of the shadiness constitute lawsuit to the database oregon tin online replication beryllium kept connected during the full upgrade? If disconnection is recommended, I would admit the reasons and ideally documentation connected the matter.

Thank you precise overmuch successful advance.