Hyper-v Dynamic Memory Summary

• Will be included in Hyper-V R2 SP1
• Designed for production use with minimal production impact
• Design and integrated with the Hyper-V memory management on the Host
• Enabled via an enlightenment in the Guest

How it works

• Memory is pooled and dynamically and securely distributed across VMs
• Memory is dynamically added/removed based VM usage with no service interruption
• Guest enlightened: guests & Hyper-V work TOGETHER

How it is configured

VM memory configuration includes:

• Initial   
• Maximum   
• Memory Buffer
• Memory Priority

How?

• Memory is added via kernel elightenment for suppport OSes
• Memory is removed via Balloon driver (supported OSes)

System Requirements

Parent Requirements:

• Windows Server 2008 R2 SP1
• Microsoft Hyper-V Server 2008 R2 SP1
  

Supported Guests:

• Windows Server 2003, 2008 & 2008 R2 All Editions (New) 32-bit & 64-bit versions
  Windows Vista and Windows 7 Enterprise and Ultimate Editions only, 32-bit & 64-bit versions

Nice that even Windows 2003 is included!

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