HP Capacity Advisor 7.0 User Guide

Begin with a scenario..................................................................................................113
Choose the VM hosts or servers to load-balance..............................................................113
Step 1 of 3: Define the solution constraints.....................................................................114
Step 2 of 3: Set level of effort for Smart Solver calculation................................................114
Step 3 of 3: View Smart Solver solutions........................................................................114
Results: Automated load balancing of servers or VM hosts...........................................114
Automated solution finding: Workload stacking...................................................................116
Begin with a scenario..................................................................................................116
Choose the workloads to stack......................................................................................116
Step 1 of 3: Stack the specified workloads onto servers....................................................116
Step 2 of 3: Set level of effort for Smart Solver calculation................................................117
Step 3 of 3: View Smart Solver solutions........................................................................117
Results: Automated workload stacking.......................................................................118
Getting more detail..........................................................................................................118
6 Using Capacity Advisor with HP Serviceguard............................................119
Using Serviceguard to migrate Integrity VM guests....................................................................119
Data collection in a Serviceguard environment.........................................................................120
7 Support and other resources....................................................................121
Contacting HP......................................................................................................................121
New and changed information in this edition...........................................................................121
Related information...............................................................................................................121
Related technical papers...................................................................................................122
A Calculation assistance............................................................................123
Cost calculation....................................................................................................................123
Cost per kilowatt-hour.......................................................................................................123
Cooling calculation...............................................................................................................123
Cooling multiplier ...........................................................................................................123
Adjusting for platform changes...............................................................................................123
Memory multiplier............................................................................................................124
Adjusting for change in a workload........................................................................................124
CPU workload multiplier...................................................................................................125
Memory workload multiplier..............................................................................................125
Network I/O workload multiplier.......................................................................................125
Disk I/O workload multiplier.............................................................................................126
Determining estimated utilization assumptions for a workload................................................126
Adjusting for virtualization changes.........................................................................................127
CPU Virtualization Overhead %.........................................................................................128
CPU Virtualization Overhead %....................................................................................128
Hypervisor memory overhead............................................................................................128
Hypervisor memory overhead.......................................................................................128
Doing the math for hypervisor memory overhead.............................................................129
HP Virtual Machine................................................................................................129
VMware ESX 3......................................................................................................129
VMware vSphere....................................................................................................129
Microsoft Hyper-V...................................................................................................129
Power calibration calculations................................................................................................130
Determining idle/max values for non-Blade servers .............................................................130
Determining idle/max values for Blade servers....................................................................130
P-class HP Blades and HP Blade system sizer:..................................................................131
C-class HP Blades and HP Blade system sizer:.................................................................131
B Command reference...............................................................................133
capcustombenchmark(1M).....................................................................................................134
capcustombenchmark (4).......................................................................................................136
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