Summary
This chapter addressed high availability and its more serious companion, disaster recovery. HA and DR were compared and contrasted, and basic tasks like identifying the cost of downtime and documenting HA drivers were covered. You discovered that DR seeks to provide production-level coverage in the absence of the production system landscape, and that this could mean many things, depending on the configuration of the system. The SAP Solution Stack model was then used to break down general availability into core offerings and approaches, based on each individual layer of the stack. As you learned, each layer featured quite a few high-availability options, but only a few layers really provided robust DR capabilities.
After walking through ...
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