SAP HANA High Availability Standby Configuration




High-Availability enables the failover of a node within one distributed SAP HANA appliance. Failover uses a cold standby node and gets triggered automatically.

Landscape
• Up to 3 master name-servers can be defined. During startup one server gets elected as active master. The active master assigns a volume to each starting index server or no volume in case of cold standby servers.
Master name-server failure
• In case of a master name-server failure, another of the remaining name-servers will become active master.
Index-server failure
• The master name-server detects an index-server failure and executes the failover. During the failover the master name-server assigns the volume of the failed index-server to the cold standby server.









Tags: HANA HA, HANA Standby Server, SAP HANA HIgh Availability, HANA Master name-server failure, Index-server failure
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