SAP on AWS · Resilience: HA, DR & Service Levels for SAP

You need out-of-region DR for SAP HANA on top of multi-AZ HA. Which two HANA patterns extend across regions, and how do their DR RPO/RTO differ?

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More in Resilience: HA, DR & Service Levels for SAP

Your SAP stack has an app server at 99.5% and a HANA DB across AZs at 99.99%. A colleague says the composite SLA is 99.5% (the weakest link). Why is that wrong, and which way does the real number move?

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You have a tightly integrated SAP system group (ERP, BW, CRM, SRM, GTS). Every per-system RPO is met on failover, yet finance reports cross-system data is inconsistent. Which objective did you miss, and what does it demand?

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