Script to set the CPU and memory for VMS
Hi all
We have an environment with 100's of virtual machines. We have classified these VMs, and each category will have specific vMem and vCPU. Excel / csv spreadsheet has the list of virtual machines, as well as the values of vCPU and vMem. I'm looking for a script that can set the values of vCPU and vMem for virtual machines according to the directives of the excel sheet. If anyone can help with this?
Thank you very much
Try this. I took the function of hotadd from here:
http://ICT-freak.nl/2009/10/05/PowerCLI-EnableDisable-the-VM-hot-add-features/
I tested against 1 VM and it works well. It will make a loop and power all VM power off in parallel, then it will change all. Then turn on all at the same time. If you do not parallel you can change it.
I would like to test in your lab or against 1-2 not prod the first VM.
Same CSV colum
VMNAME, MEM, CPU
Function Enable-MemHotAdd($vm){ $vmview = Get-vm $vm | Get-View $vmConfigSpec = New-Object VMware.Vim.VirtualMachineConfigSpec $extra = New-Object VMware.Vim.optionvalue $extra.Key="mem.hotadd" $extra.Value="true" $vmConfigSpec.extraconfig += $extra $vmview.ReconfigVM($vmConfigSpec)} Function Enable-vCpuHotAdd($vm){ $vmview = Get-vm $vm | Get-View $vmConfigSpec = New-Object VMware.Vim.VirtualMachineConfigSpec $extra = New-Object VMware.Vim.optionvalue $extra.Key="vcpu.hotadd" $extra.Value="true" $vmConfigSpec.extraconfig += $extra $vmview.ReconfigVM($vmConfigSpec)} $vmlist = Import-CSV C:\csvfile.csv foreach ($item in $vmlist) { $vmname = $item.vmname Stop-VM -VM $vmname -RunAsync }foreach ($item in $vmlist) { $vmname = $item.vmname $cpu = $item.cpu $mem = [int]$item.mem * 1024 Enable-MemHotAdd $vmname Enable-vCpuHotAdd $vmname Set-VM -VM $vmname -NumCpu $cpu -MemoryMB $mem -RunAsync -Confirm:$false } foreach ($item in $vmlist) { $vmname = $item.vmname Start-VM -VM $vmname -RunAsync }
Tags: VMware
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