Disable SAP HANA System Replication with hdbnsutil

We can disable SAP HANA system replication in an SAP HANA system using hdbnsutil.

Remember before disable Replication :-

• Login as SIDADM user
• Secondary system must be offline

Disable Procedure :-  

1. Unregister Secondary System

• Stop Secondary System
• Unregister Secondary System  using below command

           hdbnsutil –sr_unregister

2. Disable system replication 

Use Below command on Primary System 

          hdbnsutil –sr_disable

Check the status using command /hdbnsutil -sr_state

After Disable the replication we can replicate the systems again ,

On Primary System :-

            hdbnsutil –sr_enable

If it not working the use below command to forcefully disable the replication,

    

            hdbnsutil –sr_disable --force

the start replication again,

            hdbnsutil –sr_enable

On Secondary System :-

Stop Secondary system

Use below command to start again the replication,

            hdbnsutil -sr_register

Full Command :- 

hdbnsutil -sr_register --replicationMode=<sync> --operationMode=<logreplay> --name=<SiteB>     --remoteInstance=<instId> --remoteHost=<hostname_of_SiteA>

Start Secondary System

If the above steps not worked the use below option to configure the replication again,

Stop Secondary system then,

            hdbnsutil -sr_cleanup --force

            hdbnsutil -sr_register   (Full command mentioned above)

Start the secondary system

Also Read,

SAP HANA System Replication setup with hdbnsutil

Prerequisites for Configuring SAP HANA System Replication

Replication Modes of SAP HANA System Replication

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