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.
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Note that the VMCO will not analyze whether your VMs are configured with the correct number of vCPUs based on the VM’s workload. A more in-depth analysis tool such as VMware vRealize Operations Manager can make right-sizing determinations based on workload and actual performance. Ifinance 4 5 22.
In order to run the Virtual Machine Compute Optimizer, you will need the following:
Windows 7/Server 2008 or above
Powershell v5 or higher
The PowerCLI Module installed, or access to the internet. The VMCO will attempt to install the module if it is not already, and give you an option to upgrade if it is out of date.
A user account with Read-Only rights assigned at the vCenter level with ‘Propogate to children’enabled. These rights will be needed on each vCenter that will be analyzed.