15.1. Determining True High Availability—the Second Pillar
Remember back when we covered the pillars of an SAP system? Nearly all of this book has been dedicated in one form or another to the pillar I labeled “Performance.” But there's much value to be gained by testing and iteratively tuning your system to maximize how well you meet your organization's other core needs, namely those I described as the second, third, and fourth pillars of SAP: High Availability, Scalability, and TCO. Of special importance to everyone from the boardroom to the computer room, not to mention those in thousands of cubicles, shop floors, and warehouses, is high availability.
15.1.1. Introduction to High Availability
A system that exhibits good high availability is ...