Workload Balancing Components
• Workload Balancing Server – XenServer Virtual Appliance
• Data Store –Database server

WLB Virtual Appliance Requirements
• Communications Port – Do not set to 443
• WLB Service Accounts – WLB account, Database account
• Resource Pools Monitoring
• Self signed SSL certificate

Optimization Modes
• Maximize Performance (Default)
• Maximize Density
• Optimization modes can be applied on a:
– Fixed optimization mode
– Scheduled optimization mode
• Optimization recommendations: VM name, Current host, Suggested host, Reason for recommendation

WLB Role Based Access Control
• Resource Pool Operator
– Configure, Initialize, Enable, Disable
– Apply optimization recommendations
– Modify report subscriptions
• VM Power Admin
– Accept placement recommendations
• Read Only
– Generate reports
– Display configuration

Power Management
• Power savings
• XS host power on feature is automatically configured
• Can be set to maximize performance or density, fixed or scheduled
• Apply optimization recommendations automatically
• Apply power management recommendations automatically