
Chapter 13. Performance considerations for IBM i 489
Figure 13-7 iDoctor query of I/O read times by object
13.4.2 DS8000 performance tools
We suggest that you use Tivoli Storage Productivity Center for Disk for analyzing the DS8000
performance data for an IBM i workload. For more information about this product, see
Chapter 7, “Practical performance management” on page 235.
13.4.3 Periods and intervals of collecting data
For a successful performance analysis, ensure that the IBM i data and DS8000 data are
collected during the same periods, and if possible, with the same collection intervals.
13.5 Easy Tier with IBM i
Next, we describe how to use ...