HP Matrix Operating Environment Software - Manual (Page 113)

Step 2 of 3: Set level of effort for Smart Solver calculation
1. Select a level of effort.
Higher levels of effort require more time and often produce better results.
NOTE: A message appearing near the control buttons at the bottom of the screen informs
you of the amount of memory needed to generate the solution and the amount of memory
available. If the memory available is insufficient to generate the solution, you will need to
correct this situation before continuing to run the Smart Solver.
2. Check the Smart Solver Configuration Values and Scenario Contents Summary
Information
to confirm that they match your expectations.
To change values, click Previous to return to the screen where the simulation values are set
(
step 1 of 3 ).
3. Once you are satisfied with the simulation values, click OK to begin the calculations.
The Smart Solver runs for a time, and then the results display.
Step 3 of 3: View Smart Solver solutions
1. Review the proposed solution(s).
2. Given these results, you can
•
Press Cancel to prevent these changes from being saved.
• Press Save to write these changes to the scenario with which you started the
consolidation.
• Press Save As... to save these changes under a new scenario name.
• Press Return to Step 1 to edit the solution attributes and constraints prior to running
the Smart Solver again.
Results: Automated workload stacking
Expected results
The solutions show the target systems with the selected workloads placed to require as few of
the target systems as possible. The target systems are either existing servers, “what-if” servers
generated by template, or a combination, depending on what targets you selected. When a
combination of servers are chosen, the placement of workloads goes first to existing servers and
then to template-generated “what-if” servers
Resource capacity. Workloads that specify utilization limits for a metric (for example, memory
or disk I/O) can only be placed on resources that define a capacity for the corresponding metric.
In other words, if you specified that a workload never exceed 100% memory utilization, that
workload can only be placed on a system for which total memory capacity is known.
Utilization limits. Every workload selected must have at least one utilization limit applied before
using the Smart Solver. This can be any type of utilization limit, including the default global
utilization limit.
Headroom rating The headroom rating shows the amount of available resource above the
existing resource utilization that will exist for the resulting solution in the simulation. Among
the solutions that require the same target systems, the solution with the tightest fit is shown.
Possible anomalies in the results
Fewer systems shown. The Smart Solver solution can contain fewer destination servers than
were originally selected. This occurs when the workloads fit on fewer servers than originally
selected. For example, if servers A, B, and C are selected as destinations, but all the workloads
can fit onto servers A and B, then only servers A and B are shown in the solution.
Automating time-consuming simulations 113