SAP Planning: Best Practices in Implementation

Addressing Availability Early in the SAP Project

Because availability requirements drive the nature of the solution, these requirements need to be understood as soon as possible. Remember, HA and DR requirements limit your choices in regard to certain layers in the SAP Solutions Stack. If you make the mistake of purchasing key solution stack components before your availability needs are made clear by the business, you risk having to toss out substandard pieces of the stack before long. So before you go off and buy servers, database packages, and operating systems, work with the system’s intended end users and other project stakeholders to determine exactly the level of availability needed—what we often refer to as the “nines” of availability. ...