XSA in SAP HANA HA Cluster

[lizardo_desilos]

Hello, recently I did a SAP HANA HA cluster (Performance Optimized Scenario) for a financial institution everything works well, later it was needed to add XSA to the solution and of course the HSR needs a takeover just to install XSA and the cluster was set in maintenance mode while all the installation and configuration was completed. We follow the procedure to backup and restore XSA on a HSR scenario and later did a failover and failback test with the cluster, all test was successful but a little of manually activities was needed (backup the XSA filesystem to the SAP HANA Tenant Database, perform a failover, put the cluster in maintenance mode to stop XSA, restore XSA filesystem, disable cluster maintenance mode), my question here is if there's a way to add it to the HA configuration? I understand that right now this is not supported yet.

Thanks for your comments,

[dvankempen]

Hi Lizardo,

Good question.You mention a number of activities, which currently require manual intervention

• backup the XSA filesystem to the SAP HANA tenant database
• perform a failover
• put the cluster in maintenance mode to stop XSA
• restore XSA filesystem
• disable cluster maintenance mode

The documentation references these steps

• SAP HANA System Replication Setup for XS Advanced Runtime
• Backup and Recovery in XS Advanced [URL blocked]
• 2300936 - Host Auto-Failover & System Replication Setup with SAP HANA extended application services,...

There is also an installation/configuration example as blog post covering some other aspects

• SAP HANA 2.0 XS Advanced: a host auto-failover installation/configuration example by serge.muts

I understand this currently requires home brew scripting for automation and you wonder whether native built-in support for automation is on the roadmap. Let me ask around.

Have you looked into third-party solutions coverage (e.g. HPE Serviceguard Extension for SAP HANA / SUSE Linux / Red Hat)?

[lizardo_desilos]

Thanks for your answer Denys, in this project I'm using SUSE Linux Enterprise High Availability
Extension without any other third party solution. As you said that was the activities needed to execute manually to perform a failover and failback adding XSA to the original SAP HANA Cluster based on Pacemaker, our customer take notes about this additional procedures but its trying to find if there is a way to semi-automate as much as officialy support exist it.