Eric Sloof

The Virtual Machine Compute Optimizer (VMCO) is a Powershell script that uses the PowerCLI module to capture information about the hosts and VMS running in your vSphere environment, and reports back on whether the VMs are configured optimally based on the Host CPU and memory.

It will flag a VM as “YES” if it is optimized and “NO” if it is not. For non-optimized VMs, a recommendation is made that will keep the same number of vCPUs currently configured, with the optimal number of virtual cores and sockets.

Version 2.0.0

• The priority of the findings are captured
• Details on the findings are included
• Cluster information is captured to determine if Host HW is not consistent across the cluster
• Report if a VM spanning pNUMA nodes actually has the pNUMA exposed to the guest OS
• Report if advanced settings have been changed on the VM or host level to expose pNUMA to the guest OS
• Reports if the number of vCPUs for a VM exceeds the physical cores of the host (using hyperthreads as vCPUs)
• Ability to use the stand-alone “Get-OptimalvCPU” function for more flexibility

Scripting and PowerCLI are words that most people working with VMware products know pretty well and have used once or twice. Everyone knows that scripting and automation are great assets to have in your toolbox.

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