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Jun 10, 2022 at 04:27 AM

Hana High Availability Requirements

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Hi,

Recently in our Landscape we have observed VM disk corruption from Microsoft end and as a result the system went unresponsive. It took approximately 22Hours for the resolution by Microsoft which resulted hitting the SLA.
To Avoid such further issue in our landscape we are planning to implement the High Availability for out HANA DB & the SAP Applications.

We Currently have the below systems in our landscape for which we want to implement the High Availability:

  • HANA DB (Version 2.0 SP – 057)
  • SAP S/4HANA 1909
  • SAP FIORI (NetWeaver 7.52 for SAP S/4HANA 1909)
  • SAP GRC (NetWeaver Application Server for ABAP 7.52 Access Control 12.0)
  • SAP PO (NetWeaver 7.5)
  • SAP SLD (NetWeaver 7.5)
  • SAP Web Dispatcher (NetWeaver 7.52 for SAP S/4HANA 1909)
  • SAP Cloud Connector

Below are some of the queries in vie of achieving the HA on the above-mentioned servers:

  • What are the Basic Requirements for the VM for the Standby host?
  • Does the Standby Host require the SAME VM Configuration as the Primary?
  • What should be the Disk types used for the VM to have the HA?
  • What should be the Azure CPU to be used?
  • Are there any standard guide for the HA in the above mentioned Servers?

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