PowerVM

• Virtual Processor - Advice on choosing the right entitlement and number of virtual processors for VMs.
• Information about AIX processor folding and how this affects performance
• AIX tuning information related to Simultaneous Multi-Threading (SMT)
• Hardware Page Table tuning information
• Resource management by the PowerVM Hypervisor including:
  • VM resource assignment ordering
  • Overview of how the PowerVM Hypersior makes resource assignment decisions
  • How to display the resources assigned to a VM
  • How to optimize resource assignments
  • **NEW** Partition mobility and DPO considerations for Linux
  • User controls over resource assignments
  • Resource assignment considerations for failover, DR, Partition Mobility, server evacuation
  • How licensing affects resource assignments
• Energy Scale™
• Processor Compatibility Modes

Many of the ideas for the chapters came from customer requesting information about a specific topic. This lead to the development of the IBM Virtualization Best Practice Guide as a resource for POWER customers.  A new update is planned for later this year based on feedback from our customers.