Performance considerations for IBM z Systems servers
This chapter covers some z Systems specific performance topics. First, it explains how you can collect and interpret z Systems I/O performance data from the Resource Measurement Facility (RMF). Next, it provides a section with hints, tips, and preferred practices to avoid potential bottlenecks up front. The last part describes a strategy to isolate bottlenecks and develop strategies to avoid or eliminate them.
A note about DS8000 sizing: z Systems I/O workload is complex. Use RMF data and ...