Monday, March 1, 2010

CPU Type of VM in SCVMM R2

The performance of one of the Hyper-V VMs deteriorated severely. I started the task manager and noticed that the CPU utilization hits 100%! I logged on SCVMM R2, checked on its hardware properties and realized that the CPU was just the ancient Pentium III?! I didn't even able to choose the CPU type when the VM was managed by Hyper-V manager.

Fortunately, someone posted this interesting article that explains it does not specify actual hardware but is used to calculate host ratings. In addition, SCVMM also uses it to set CPU resource allocation accordingly. As I set my "busy" VM to higher CPU, the host should assign more CPU cycles for it.

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