Technical Articles
SAP HANA High Availability and PP/DS module
Prerequisites.
SAP HANA is an in-memory, column-oriented, relational database management system.
SAP HANA provides a comprehensive Fault and Disaster Recovery solution, and High Availability for Business Continuity
SAP S/4HANA is SAP’s ERP for large enterprises. It is the successor of SAP R/3 and SAP ERP and is optimized for SAP’s in-memory database SAP HANA.
Production Planning/Detailed Scheduling (PP/DS) is used to generate procurement proposals to meet the production requirements. This SAP S/4HANA module is also used for defining resource plan and order details. You can also plan for critical products to reduce the lead time and to improve time delivery performance.
The SAP liveCache is a special SAP in-memory and object-oriented database that is used by such
SAP products as SAP S/4HANA PP/DS
The liveCache is integrated into the SAP HANA database using the LCAPPS plug-in
Prerequisites: You want to know more about the behavior of the PP/DS module ( on iveCache) during SAP HANA takeover to stand-by host.
Environment.
Problem.
Connection failed (RTE:[89006] System call ‘send’ failed, rc=32:Broken pipe {ip:port} (host:port))
Resolution.
-
Goto to transaction LC10

-
For Database Connection Names -LCA, LDA, LEA, SYSTEMDB follow to edit Integration options

-
At the Database Host field provide FQDN name to Host B
-
Test connection to Host B
Conclusion.
Introduction: High Availability for SAP HANA
https://www.sap.com/documents/2016/05/f8e5eeba-737c-0010-82c7-eda71af511fa.html