SAP HANA System Replication (sr_) Commands

Enable system replication on primary site

hdbnsutil -sr_enable --name=[site_name]

Disable system replication on primary site

hdbnsutil -sr_disable

Register secondary site to primary site

hdbnsutil -sr_register --remoteHost=[primary_master_host] --remoteInstance=[primary_instance_id] --replicationMode=sync --operationMode=delta_datashipping --name=[secondary_site_name]
hdbnsutil -sr_register --remoteHost=[primary_master_host] --remoteInstance=[primary_instance_id] --replicationMode=syncmem --operationMode=logreplay --name=[secondary_site_name]
hdbnsutil -sr_register --remoteHost=[primary_master_host] --remoteInstance=[primary_instance_id] --replicationMode=async --operationMode=logreplay_readaccess --name=[secondary_site_name]
hdbnsutil -sr_register --remoteHost=[primary_master_host] --remoteInstance=[primary_instance_id] --replicationMode=async --operationMode=logreplay --name=[secondary_site_name] --force_full_replica

Unregister secondary site

hdbnsutil -sr_unregister
hdbnsutil -sr_unregister --id=[site_id]
hdbnsutil -sr_unregister --name=[site_name]

Change replication mode on secondary site

hdbnsutil -sr_changemode --mode=sync
hdbnsutil -sr_changemode --mode=syncmem
hdbnsutil -sr_changemode --mode=async

Perform takeover on secondary site

hdbnsutil -sr_takeover

Check system replication state

hdbnsutil -sr_state

Clean up system replication configuration

hdbnsutil -sr_cleanup

Example placeholders

[primary_master_host]
[primary_instance_id]
[site_name]
[secondary_site_name]

You May Also Like

Leave a Reply?