You want to enable the HANA database replication with hdbnsutil command but instead, below error message prompted,
hdbnsutil -sr_enable --name=ITsiti_1 nameserver is active, proceeding ... error: system replication prerequisite check failed; exception 3000302: Backup has not yet been executed on primary system! Please backup primary system.
Solution
Before you want to execute the hdbnsutil -sr_enable command, ensure both tenant and system database backup are successfully completed.
You can refer to below article on how to perform the HANA database backup (using disk step).
How to Perform HANA Full Database Backup
Reference
2575326 – SAP HANA System Replication sr_enable returns error Backup not executed
