Reliability, availability, and serviceability
From the Quality perspective, the z14 RAS design is driven by a set of high-level program RAS objectives. The IBM Z platform continues to drive toward Continuous Reliable Operation (CRO) at the single footprint level.
Note: Throughout this chapter, “z14” refers to IBM z14 Model M0x (Machine Type 3906) unless otherwise specified.
The key objectives, in order of priority, are to ensure data integrity, computational integrity, reduce or eliminate unscheduled outages, reduce scheduled outages, ...