HP Capacity Advisor 6.2 Users Guide

With percentage of time limits..............................................................................................29
Scope of utilization limits...........................................................................................................29
Adjusting power...................................................................................................................................30
Power cap data.................................................................................................................................30
Automating solution generation: HP Smart Solver..............................................................................31
HP Smart Solver: Types of solutions...............................................................................................31
Determining trends in Capacity Advisor.............................................................................................31
Aggregation of points in business interval bins..............................................................................32
Choosing an appropriate business interval...............................................................................32
Exclusion of data points..................................................................................................................32
Factors that affect data validity..................................................................................................32
Linear regression.............................................................................................................................33
Error analysis...................................................................................................................................33
Forecasting growth...............................................................................................................................33
The forecast model hierarchy..........................................................................................................33
Forecast model attributes................................................................................................................34
4 Planning with Capacity Advisor.................................................................................35
Getting ready........................................................................................................................................35
Task: Understand current resource usage............................................................................................35
Task: Plan server consolidation.............................................................................................................36
Understanding the consolidation task............................................................................................36
Example consolidation: Stacking applications on an existing server........................................36
Step 1: Determine which systems to consolidate..................................................................37
Step 2: Create a scenario.......................................................................................................37
Step 3: Edit the scenario........................................................................................................38
Automating the consolidation task.................................................................................................46
Example consolidation: Automating stacking on a “what-if” server........................................47
Step 1: Determine which systems to consolidate..................................................................47
Step 2: Create a scenario.......................................................................................................47
Step 3: Edit the scenario........................................................................................................48
Task: Estimating the effect of adding or moving processors................................................................51
Task: Determining where to put a workload using automated solution finding.................................52
Example: Determining where to put a workload............................................................................52
5 Procedures....................................................................................................................55
Accessing Capacity Advisor.................................................................................................................55
Gathering data for Capacity Advisor...................................................................................................55
Impact of data collection on managed system performance...........................................................56
Data collection options....................................................................................................................56
First data collection (or the automated nightly collection).............................................................58
Interpreting task results...................................................................................................................59
Error notification on the standard out tab.................................................................................59
Scheduling a data collection............................................................................................................60
Modifying a collection schedule......................................................................................................61
Removing a collection schedule......................................................................................................61
Updating collected data...................................................................................................................61
Updating collected data on all systems......................................................................................62
Updating collected data on selected systems.............................................................................62
Updating data displayed in a profile viewer.............................................................................62
Collecting data without using an agent..........................................................................................62
Listing systems currently in the configuration file....................................................................62
Setting advanced options in the agentless data collection file...................................................63
4 Table of Contents