Version 15.1 User’s Manual

Understanding The Impact Of Changes (cont)
Before vs. After — Multiple System Comparisons
There are a lot of creative ways where Multiple System Analysis can be used effectively.
Two examples are:
1) Ensuring an HA environment is performing optimally
Here Is The Value:
Multiple system comparisons not only ensure the HA environment is preforming at a acceptable
performance service level, but one can also make sure that each system is tuned within
best practice guidelines.
2) Compare similar workloads in a regional environment
Here Is The Value:
One can answer these questions:
How does my West Coast system perform compared to my East Coast system?
Are both systems performing well?
Are they set up the same?
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Next, lets look at a real life example where the customer has an HA environment...one where
they routinely “role swap” from their production box to their HA counterpart system
Version 15 User Manual Page 198 Oct 2011